Merge branch 'akpm-current/current'

Conflicts: fs/fs-writeback.c
author: Stephen Rothwell <sfr@canb.auug.org.au> 2014-04-03 15:02:54 +1100
committer: Stephen Rothwell <sfr@canb.auug.org.au> 2014-04-03 15:02:58 +1100
commit: d7eaf400f583154283e26244ee671585cd413156 (patch)
tree: 6ac8efcd27bf4d9e8aef4862eeb0b45fca4a5187 /fs
parent: 79b1d1f5860545973461d0dcb1f0e8d9c32dbdbe (diff)
parent: f684c699592229c3aebf656363bcb0cf86df2570 (diff)
150 files changed, 2209 insertions, 1293 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index a16b0ff497ca..d8223209d4b1 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -832,6 +832,7 @@ static void v9fs_mmap_vm_close(struct vm_area_struct *vma)
 
 static const struct vm_operations_struct v9fs_file_vm_ops = {
 	.fault = filemap_fault,
+	.map_pages = filemap_map_pages,
 	.page_mkwrite = v9fs_vm_page_mkwrite,
 	.remap_pages = generic_file_remap_pages,
 };
@@ -839,6 +840,7 @@ static const struct vm_operations_struct v9fs_file_vm_ops = {
 static const struct vm_operations_struct v9fs_mmap_file_vm_ops = {
 	.close = v9fs_mmap_vm_close,
 	.fault = filemap_fault,
+	.map_pages = filemap_map_pages,
 	.page_mkwrite = v9fs_vm_page_mkwrite,
 	.remap_pages = generic_file_remap_pages,
 };
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index bb7991c7e5c7..53161ec058a7 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -451,7 +451,7 @@ void v9fs_evict_inode(struct inode *inode)
 {
 	struct v9fs_inode *v9inode = V9FS_I(inode);
 
-	truncate_inode_pages(inode->i_mapping, 0);
+	truncate_inode_pages_final(inode->i_mapping);
 	clear_inode(inode);
 	filemap_fdatawrite(inode->i_mapping);
 
diff --git a/fs/adfs/super.c b/fs/adfs/super.c
index 952aeb048349..9852bdf34d76 100644
--- a/fs/adfs/super.c
+++ b/fs/adfs/super.c
@@ -266,7 +266,7 @@ static void init_once(void *foo)
 	inode_init_once(&ei->vfs_inode);
 }
 
-static int init_inodecache(void)
+static int __init init_inodecache(void)
 {
 	adfs_inode_cachep = kmem_cache_create("adfs_inode_cache",
 					     sizeof(struct adfs_inode_info),
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index 3952121f2f28..25b23b1e7f22 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -5,14 +5,6 @@
 #include <linux/mutex.h>
 #include <linux/workqueue.h>
 
-/* AmigaOS allows file names with up to 30 characters length.
- * Names longer than that will be silently truncated. If you
- * want to disallow this, comment out the following #define.
- * Creating filesystem objects with longer names will then
- * result in an error (ENAMETOOLONG).
- */
-/*#define AFFS_NO_TRUNCATE */
-
 /* Ugly macros make the code more pretty. */
 
 #define GET_END_PTR(st,p,sz)		 ((st *)((char *)(p)+((sz)-sizeof(st))))
@@ -28,7 +20,6 @@
 
 #define AFFS_CACHE_SIZE		PAGE_SIZE
 
-#define AFFS_MAX_PREALLOC	32
 #define AFFS_LC_SIZE		(AFFS_CACHE_SIZE/sizeof(u32)/2)
 #define AFFS_AC_SIZE		(AFFS_CACHE_SIZE/sizeof(struct affs_ext_key)/2)
 #define AFFS_AC_MASK		(AFFS_AC_SIZE-1)
@@ -118,6 +109,7 @@ struct affs_sb_info {
 #define SF_OFS		0x0200		/* Old filesystem */
 #define SF_PREFIX	0x0400		/* Buffer for prefix is allocated */
 #define SF_VERBOSE	0x0800		/* Talk about fs when mounting */
+#define SF_NO_TRUNCATE	0x1000		/* Don't truncate filenames */
 
 /* short cut to get to the affs specific sb data */
 static inline struct affs_sb_info *AFFS_SB(struct super_block *sb)
@@ -137,9 +129,13 @@ extern void	affs_fix_checksum(struct super_block *sb, struct buffer_head *bh);
 extern void	secs_to_datestamp(time_t secs, struct affs_date *ds);
 extern umode_t	prot_to_mode(u32 prot);
 extern void	mode_to_prot(struct inode *inode);
-extern void	affs_error(struct super_block *sb, const char *function, const char *fmt, ...);
-extern void	affs_warning(struct super_block *sb, const char *function, const char *fmt, ...);
-extern int	affs_check_name(const unsigned char *name, int len);
+extern void	affs_error(struct super_block *sb, const char *function,
+			   const char *fmt, ...);
+extern void	affs_warning(struct super_block *sb, const char *function,
+			     const char *fmt, ...);
+extern bool	affs_nofilenametruncate(const struct dentry *dentry);
+extern int	affs_check_name(const unsigned char *name, int len,
+				bool notruncate);
 extern int	affs_copy_name(unsigned char *bstr, struct dentry *dentry);
 
 /* bitmap. c */
diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c
index d9a43674cb94..533a322c41c0 100644
--- a/fs/affs/amigaffs.c
+++ b/fs/affs/amigaffs.c
@@ -471,20 +471,27 @@ affs_warning(struct super_block *sb, const char *function, const char *fmt, ...)
 		function,ErrorBuffer);
 }
 
+bool
+affs_nofilenametruncate(const struct dentry *dentry)
+{
+	struct inode *inode = dentry->d_inode;
+	return AFFS_SB(inode->i_sb)->s_flags & SF_NO_TRUNCATE;
+
+}
+
 /* Check if the name is valid for a affs object. */
 
 int
-affs_check_name(const unsigned char *name, int len)
+affs_check_name(const unsigned char *name, int len, bool notruncate)
 {
 	int	 i;
 
-	if (len > 30)
-#ifdef AFFS_NO_TRUNCATE
-		return -ENAMETOOLONG;
-#else
-		len = 30;
-#endif
-
+	if (len > 30) {
+		if (notruncate)
+			return -ENAMETOOLONG;
+		else
+			len = 30;
+	}
 	for (i = 0; i < len; i++) {
 		if (name[i] < ' ' || name[i] == ':'
 		    || (name[i] > 0x7e && name[i] < 0xa0))
diff --git a/fs/affs/dir.c b/fs/affs/dir.c
index f1eba8c3644e..cbbda476a805 100644
--- a/fs/affs/dir.c
+++ b/fs/affs/dir.c
@@ -52,8 +52,10 @@ affs_readdir(struct file *file, struct dir_context *ctx)
 	int			 hash_pos;
 	int			 chain_pos;
 	u32			 ino;
+	int			 error = 0;
 
-	pr_debug("AFFS: readdir(ino=%lu,f_pos=%lx)\n",inode->i_ino,(unsigned long)ctx->pos);
+	pr_debug("AFFS: readdir(ino=%lu,f_pos=%lx)\n",
+		 inode->i_ino, (unsigned long)ctx->pos);
 
 	if (ctx->pos < 2) {
 		file->private_data = (void *)0;
@@ -72,7 +74,7 @@ affs_readdir(struct file *file, struct dir_context *ctx)
 	}
 	dir_bh = affs_bread(sb, inode->i_ino);
 	if (!dir_bh)
-		goto readdir_out;
+		goto out_unlock_dir;
 
 	/* If the directory hasn't changed since the last call to readdir(),
 	 * we can jump directly to where we left off.
@@ -88,7 +90,8 @@ affs_readdir(struct file *file, struct dir_context *ctx)
 		fh_bh = affs_bread(sb, ino);
 		if (!fh_bh) {
 			affs_error(sb, "readdir","Cannot read block %d", i);
-			return -EIO;
+			error = -EIO;
+			goto out_brelse_dir;
 		}
 		ino = be32_to_cpu(AFFS_TAIL(sb, fh_bh)->hash_chain);
 		affs_brelse(fh_bh);
@@ -107,29 +110,34 @@ inside:
 		do {
 			fh_bh = affs_bread(sb, ino);
 			if (!fh_bh) {
-				affs_error(sb, "readdir","Cannot read block %d", ino);
+				affs_error(sb, "readdir",
+					   "Cannot read block %d", ino);
 				break;
 			}
 
 			namelen = min(AFFS_TAIL(sb, fh_bh)->name[0], (u8)30);
 			name = AFFS_TAIL(sb, fh_bh)->name + 1;
-			pr_debug("AFFS: readdir(): filldir(\"%.*s\", ino=%u), hash=%d, f_pos=%x\n",
+			pr_debug("AFFS: readdir(): dir_emit(\"%.*s\", "
+				 "ino=%u), hash=%d, f_pos=%x\n",
 				 namelen, name, ino, hash_pos, (u32)ctx->pos);
+
 			if (!dir_emit(ctx, name, namelen, ino, DT_UNKNOWN))
-				goto readdir_done;
+				goto done;
 			ctx->pos++;
 			ino = be32_to_cpu(AFFS_TAIL(sb, fh_bh)->hash_chain);
 			affs_brelse(fh_bh);
 			fh_bh = NULL;
 		} while (ino);
 	}
-readdir_done:
+done:
 	file->f_version = inode->i_version;
 	file->private_data = (void *)(long)ino;
+	affs_brelse(fh_bh);
 
-readdir_out:
+out_brelse_dir:
 	affs_brelse(dir_bh);
-	affs_brelse(fh_bh);
+
+out_unlock_dir:
 	affs_unlock_dir(inode);
-	return 0;
+	return error;
 }
diff --git a/fs/affs/inode.c b/fs/affs/inode.c
index 0e092d08680e..96df91e8c334 100644
--- a/fs/affs/inode.c
+++ b/fs/affs/inode.c
@@ -259,7 +259,7 @@ affs_evict_inode(struct inode *inode)
 {
 	unsigned long cache_page;
 	pr_debug("AFFS: evict_inode(ino=%lu, nlink=%u)\n", inode->i_ino, inode->i_nlink);
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 
 	if (!inode->i_nlink) {
 		inode->i_size = 0;
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index c36cbb4537a2..6dae1ccd176d 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -60,13 +60,13 @@ affs_get_toupper(struct super_block *sb)
  * Note: the dentry argument is the parent dentry.
  */
 static inline int
-__affs_hash_dentry(struct qstr *qstr, toupper_t toupper)
+__affs_hash_dentry(struct qstr *qstr, toupper_t toupper, bool notruncate)
 {
 	const u8 *name = qstr->name;
 	unsigned long hash;
 	int i;
 
-	i = affs_check_name(qstr->name, qstr->len);
+	i = affs_check_name(qstr->name, qstr->len, notruncate);
 	if (i)
 		return i;
 
@@ -82,16 +82,22 @@ __affs_hash_dentry(struct qstr *qstr, toupper_t toupper)
 static int
 affs_hash_dentry(const struct dentry *dentry, struct qstr *qstr)
 {
-	return __affs_hash_dentry(qstr, affs_toupper);
+	return __affs_hash_dentry(qstr, affs_toupper,
+				  affs_nofilenametruncate(dentry));
+
 }
+
 static int
 affs_intl_hash_dentry(const struct dentry *dentry, struct qstr *qstr)
 {
-	return __affs_hash_dentry(qstr, affs_intl_toupper);
+	return __affs_hash_dentry(qstr, affs_intl_toupper,
+				  affs_nofilenametruncate(dentry));
+
 }
 
 static inline int __affs_compare_dentry(unsigned int len,
-		const char *str, const struct qstr *name, toupper_t toupper)
+		const char *str, const struct qstr *name, toupper_t toupper,
+		bool notruncate)
 {
 	const u8 *aname = str;
 	const u8 *bname = name->name;
@@ -101,7 +107,7 @@ static inline int __affs_compare_dentry(unsigned int len,
 	 * must be valid. 'name' must be validated first.
 	 */
 
-	if (affs_check_name(name->name, name->len))
+	if (affs_check_name(name->name, name->len, notruncate))
 		return 1;
 
 	/*
@@ -126,13 +132,18 @@ static int
 affs_compare_dentry(const struct dentry *parent, const struct dentry *dentry,
 		unsigned int len, const char *str, const struct qstr *name)
 {
-	return __affs_compare_dentry(len, str, name, affs_toupper);
+
+	return __affs_compare_dentry(len, str, name, affs_toupper,
+				     affs_nofilenametruncate(parent));
 }
+
 static int
 affs_intl_compare_dentry(const struct dentry *parent, const struct dentry *dentry,
 		unsigned int len, const char *str, const struct qstr *name)
 {
-	return __affs_compare_dentry(len, str, name, affs_intl_toupper);
+	return __affs_compare_dentry(len, str, name, affs_intl_toupper,
+				     affs_nofilenametruncate(parent));
+
 }
 
 /*
@@ -411,7 +422,10 @@ affs_rename(struct inode *old_dir, struct dentry *old_dentry,
 		 (u32)old_dir->i_ino, (int)old_dentry->d_name.len, old_dentry->d_name.name,
 		 (u32)new_dir->i_ino, (int)new_dentry->d_name.len, new_dentry->d_name.name);
 
-	retval = affs_check_name(new_dentry->d_name.name,new_dentry->d_name.len);
+	retval = affs_check_name(new_dentry->d_name.name,
+				 new_dentry->d_name.len,
+				 affs_nofilenametruncate(old_dentry));
+
 	if (retval)
 		return retval;
 
diff --git a/fs/affs/super.c b/fs/affs/super.c
index 307453086c3f..6d589f28bf9b 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -128,7 +128,7 @@ static void init_once(void *foo)
 	inode_init_once(&ei->vfs_inode);
 }
 
-static int init_inodecache(void)
+static int __init init_inodecache(void)
 {
 	affs_inode_cachep = kmem_cache_create("affs_inode_cache",
 					     sizeof(struct affs_inode_info),
@@ -163,7 +163,7 @@ static const struct super_operations affs_sops = {
 };
 
 enum {
-	Opt_bs, Opt_mode, Opt_mufs, Opt_prefix, Opt_protect,
+	Opt_bs, Opt_mode, Opt_mufs, Opt_notruncate, Opt_prefix, Opt_protect,
 	Opt_reserved, Opt_root, Opt_setgid, Opt_setuid,
 	Opt_verbose, Opt_volume, Opt_ignore, Opt_err,
 };
@@ -172,6 +172,7 @@ static const match_table_t tokens = {
 	{Opt_bs, "bs=%u"},
 	{Opt_mode, "mode=%o"},
 	{Opt_mufs, "mufs"},
+	{Opt_notruncate, "nofilenametruncate"},
 	{Opt_prefix, "prefix=%s"},
 	{Opt_protect, "protect"},
 	{Opt_reserved, "reserved=%u"},
@@ -233,6 +234,9 @@ parse_options(char *options, kuid_t *uid, kgid_t *gid, int *mode, int *reserved,
 		case Opt_mufs:
 			*mount_opts |= SF_MUFS;
 			break;
+		case Opt_notruncate:
+			*mount_opts |= SF_NO_TRUNCATE;
+			break;
 		case Opt_prefix:
 			*prefix = match_strdup(&args[0]);
 			if (!*prefix)
diff --git a/fs/afs/inode.c b/fs/afs/inode.c
index ce25d755b7aa..294671288449 100644
--- a/fs/afs/inode.c
+++ b/fs/afs/inode.c
@@ -422,7 +422,7 @@ void afs_evict_inode(struct inode *inode)
 
 	ASSERTCMP(inode->i_ino, ==, vnode->fid.vnode);
 
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 
 	afs_give_up_callback(vnode);
diff --git a/fs/befs/Makefile b/fs/befs/Makefile
index 2f370bd7a50d..8b9f66642a83 100644
--- a/fs/befs/Makefile
+++ b/fs/befs/Makefile
@@ -3,5 +3,5 @@
 #
  
 obj-$(CONFIG_BEFS_FS) += befs.o
-
+ccflags-$(CONFIG_BEFS_DEBUG)    += -DDEBUG
 befs-objs := datastream.o btree.o super.o inode.o debug.o io.o linuxvfs.o
diff --git a/fs/befs/befs.h b/fs/befs/befs.h
index b26642839156..3a7813ab8c95 100644
--- a/fs/befs/befs.h
+++ b/fs/befs/befs.h
@@ -88,8 +88,11 @@ enum befs_err {
 
 /****************************/
 /* debug.c */
+__printf(2, 3)
 void befs_error(const struct super_block *sb, const char *fmt, ...);
+__printf(2, 3)
 void befs_warning(const struct super_block *sb, const char *fmt, ...);
+__printf(2, 3)
 void befs_debug(const struct super_block *sb, const char *fmt, ...);
 
 void befs_dump_super_block(const struct super_block *sb, befs_super_block *);
diff --git a/fs/befs/btree.c b/fs/befs/btree.c
index 74e397db0b8b..a2cd305a993a 100644
--- a/fs/befs/btree.c
+++ b/fs/befs/btree.c
@@ -137,7 +137,7 @@ befs_bt_read_super(struct super_block *sb, befs_data_stream * ds,
 	struct buffer_head *bh = NULL;
 	befs_disk_btree_super *od_sup = NULL;
 
-	befs_debug(sb, "---> befs_btree_read_super()");
+	befs_debug(sb, "---> %s", __func__);
 
 	bh = befs_read_datastream(sb, ds, 0, NULL);
 
@@ -162,11 +162,11 @@ befs_bt_read_super(struct super_block *sb, befs_data_stream * ds,
 		goto error;
 	}
 
-	befs_debug(sb, "<--- befs_btree_read_super()");
+	befs_debug(sb, "<--- %s", __func__);
 	return BEFS_OK;
 
       error:
-	befs_debug(sb, "<--- befs_btree_read_super() ERROR");
+	befs_debug(sb, "<--- %s ERROR", __func__);
 	return BEFS_ERR;
 }
 
@@ -195,16 +195,16 @@ befs_bt_read_node(struct super_block *sb, befs_data_stream * ds,
 {
 	uint off = 0;
 
-	befs_debug(sb, "---> befs_bt_read_node()");
+	befs_debug(sb, "---> %s", __func__);
 
 	if (node->bh)
 		brelse(node->bh);
 
 	node->bh = befs_read_datastream(sb, ds, node_off, &off);
 	if (!node->bh) {
-		befs_error(sb, "befs_bt_read_node() failed to read "
-			   "node at %Lu", node_off);
-		befs_debug(sb, "<--- befs_bt_read_node() ERROR");
+		befs_error(sb, "%s failed to read "
+			   "node at %llu", __func__, node_off);
+		befs_debug(sb, "<--- %s ERROR", __func__);
 
 		return BEFS_ERR;
 	}
@@ -221,7 +221,7 @@ befs_bt_read_node(struct super_block *sb, befs_data_stream * ds,
 	node->head.all_key_length =
 	    fs16_to_cpu(sb, node->od_node->all_key_length);
 
-	befs_debug(sb, "<--- befs_btree_read_node()");
+	befs_debug(sb, "<--- %s", __func__);
 	return BEFS_OK;
 }
 
@@ -252,7 +252,7 @@ befs_btree_find(struct super_block *sb, befs_data_stream * ds,
 	befs_off_t node_off;
 	int res;
 
-	befs_debug(sb, "---> befs_btree_find() Key: %s", key);
+	befs_debug(sb, "---> %s Key: %s", __func__, key);
 
 	if (befs_bt_read_super(sb, ds, &bt_super) != BEFS_OK) {
 		befs_error(sb,
@@ -263,7 +263,7 @@ befs_btree_find(struct super_block *sb, befs_data_stream * ds,
 	this_node = kmalloc(sizeof (befs_btree_node),
 						GFP_NOFS);
 	if (!this_node) {
-		befs_error(sb, "befs_btree_find() failed to allocate %u "
+		befs_error(sb, "befs_btree_find() failed to allocate %zu "
 			   "bytes of memory", sizeof (befs_btree_node));
 		goto error;
 	}
@@ -274,7 +274,7 @@ befs_btree_find(struct super_block *sb, befs_data_stream * ds,
 	node_off = bt_super.root_node_ptr;
 	if (befs_bt_read_node(sb, ds, this_node, node_off) != BEFS_OK) {
 		befs_error(sb, "befs_btree_find() failed to read "
-			   "node at %Lu", node_off);
+			   "node at %llu", node_off);
 		goto error_alloc;
 	}
 
@@ -285,7 +285,7 @@ befs_btree_find(struct super_block *sb, befs_data_stream * ds,
 		/* if no match, go to overflow node */
 		if (befs_bt_read_node(sb, ds, this_node, node_off) != BEFS_OK) {
 			befs_error(sb, "befs_btree_find() failed to read "
-				   "node at %Lu", node_off);
+				   "node at %llu", node_off);
 			goto error_alloc;
 		}
 	}
@@ -298,11 +298,11 @@ befs_btree_find(struct super_block *sb, befs_data_stream * ds,
 	kfree(this_node);
 
 	if (res != BEFS_BT_MATCH) {
-		befs_debug(sb, "<--- befs_btree_find() Key %s not found", key);
+		befs_debug(sb, "<--- %s Key %s not found", __func__, key);
 		*value = 0;
 		return BEFS_BT_NOT_FOUND;
 	}
-	befs_debug(sb, "<--- befs_btree_find() Found key %s, value %Lu",
+	befs_debug(sb, "<--- %s Found key %s, value %llu", __func__,
 		   key, *value);
 	return BEFS_OK;
 
@@ -310,7 +310,7 @@ befs_btree_find(struct super_block *sb, befs_data_stream * ds,
 	kfree(this_node);
       error:
 	*value = 0;
-	befs_debug(sb, "<--- befs_btree_find() ERROR");
+	befs_debug(sb, "<--- %s ERROR", __func__);
 	return BEFS_ERR;
 }
 
@@ -343,7 +343,7 @@ befs_find_key(struct super_block *sb, befs_btree_node * node,
 	char *thiskey;
 	fs64 *valarray;
 
-	befs_debug(sb, "---> befs_find_key() %s", findkey);
+	befs_debug(sb, "---> %s %s", __func__, findkey);
 
 	*value = 0;
 
@@ -355,7 +355,7 @@ befs_find_key(struct super_block *sb, befs_btree_node * node,
 
 	eq = befs_compare_strings(thiskey, keylen, findkey, findkey_len);
 	if (eq < 0) {
-		befs_debug(sb, "<--- befs_find_key() %s not found", findkey);
+		befs_debug(sb, "<--- %s %s not found", __func__, findkey);
 		return BEFS_BT_NOT_FOUND;
 	}
 
@@ -373,8 +373,8 @@ befs_find_key(struct super_block *sb, befs_btree_node * node,
 					  findkey_len);
 
 		if (eq == 0) {
-			befs_debug(sb, "<--- befs_find_key() found %s at %d",
-				   thiskey, mid);
+			befs_debug(sb, "<--- %s found %s at %d",
+				   __func__, thiskey, mid);
 
 			*value = fs64_to_cpu(sb, valarray[mid]);
 			return BEFS_BT_MATCH;
@@ -388,7 +388,7 @@ befs_find_key(struct super_block *sb, befs_btree_node * node,
 		*value = fs64_to_cpu(sb, valarray[mid + 1]);
 	else
 		*value = fs64_to_cpu(sb, valarray[mid]);
-	befs_debug(sb, "<--- befs_find_key() found %s at %d", thiskey, mid);
+	befs_debug(sb, "<--- %s found %s at %d", __func__, thiskey, mid);
 	return BEFS_BT_PARMATCH;
 }
 
@@ -428,7 +428,7 @@ befs_btree_read(struct super_block *sb, befs_data_stream * ds,
 
 	uint key_sum = 0;
 
-	befs_debug(sb, "---> befs_btree_read()");
+	befs_debug(sb, "---> %s", __func__);
 
 	if (befs_bt_read_super(sb, ds, &bt_super) != BEFS_OK) {
 		befs_error(sb,
@@ -437,7 +437,7 @@ befs_btree_read(struct super_block *sb, befs_data_stream * ds,
 	}
 
 	if ((this_node = kmalloc(sizeof (befs_btree_node), GFP_NOFS)) == NULL) {
-		befs_error(sb, "befs_btree_read() failed to allocate %u "
+		befs_error(sb, "befs_btree_read() failed to allocate %zu "
 			   "bytes of memory", sizeof (befs_btree_node));
 		goto error;
 	}
@@ -452,7 +452,7 @@ befs_btree_read(struct super_block *sb, befs_data_stream * ds,
 		kfree(this_node);
 		*value = 0;
 		*keysize = 0;
-		befs_debug(sb, "<--- befs_btree_read() Tree is EMPTY");
+		befs_debug(sb, "<--- %s Tree is EMPTY", __func__);
 		return BEFS_BT_EMPTY;
 	} else if (res == BEFS_ERR) {
 		goto error_alloc;
@@ -467,7 +467,8 @@ befs_btree_read(struct super_block *sb, befs_data_stream * ds,
 			*keysize = 0;
 			*value = 0;
 			befs_debug(sb,
-				   "<--- befs_btree_read() END of keys at %Lu",
+				   "<--- %s END of keys at %llu", __func__,
+				   (unsigned long long)
 				   key_sum + this_node->head.all_key_count);
 			brelse(this_node->bh);
 			kfree(this_node);
@@ -478,8 +479,8 @@ befs_btree_read(struct super_block *sb, befs_data_stream * ds,
 		node_off = this_node->head.right;
 
 		if (befs_bt_read_node(sb, ds, this_node, node_off) != BEFS_OK) {
-			befs_error(sb, "befs_btree_read() failed to read "
-				   "node at %Lu", node_off);
+			befs_error(sb, "%s failed to read node at %llu",
+				  __func__, (unsigned long long)node_off);
 			goto error_alloc;
 		}
 	}
@@ -492,11 +493,13 @@ befs_btree_read(struct super_block *sb, befs_data_stream * ds,
 
 	keystart = befs_bt_get_key(sb, this_node, cur_key, &keylen);
 
-	befs_debug(sb, "Read [%Lu,%d]: keysize %d", node_off, cur_key, keylen);
+	befs_debug(sb, "Read [%llu,%d]: keysize %d",
+		   (long long unsigned int)node_off, (int)cur_key,
+		   (int)keylen);
 
 	if (bufsize < keylen + 1) {
-		befs_error(sb, "befs_btree_read() keybuf too small (%u) "
-			   "for key of size %d", bufsize, keylen);
+		befs_error(sb, "%s keybuf too small (%zu) "
+			   "for key of size %d", __func__, bufsize, keylen);
 		brelse(this_node->bh);
 		goto error_alloc;
 	};
@@ -506,13 +509,13 @@ befs_btree_read(struct super_block *sb, befs_data_stream * ds,
 	*keysize = keylen;
 	keybuf[keylen] = '\0';
 
-	befs_debug(sb, "Read [%Lu,%d]: Key \"%.*s\", Value %Lu", node_off,
+	befs_debug(sb, "Read [%llu,%d]: Key \"%.*s\", Value %llu", node_off,
 		   cur_key, keylen, keybuf, *value);
 
 	brelse(this_node->bh);
 	kfree(this_node);
 
-	befs_debug(sb, "<--- befs_btree_read()");
+	befs_debug(sb, "<--- %s", __func__);
 
 	return BEFS_OK;
 
@@ -522,7 +525,7 @@ befs_btree_read(struct super_block *sb, befs_data_stream * ds,
       error:
 	*keysize = 0;
 	*value = 0;
-	befs_debug(sb, "<--- befs_btree_read() ERROR");
+	befs_debug(sb, "<--- %s ERROR", __func__);
 	return BEFS_ERR;
 }
 
@@ -547,26 +550,26 @@ befs_btree_seekleaf(struct super_block *sb, befs_data_stream * ds,
 		    befs_off_t * node_off)
 {
 
-	befs_debug(sb, "---> befs_btree_seekleaf()");
+	befs_debug(sb, "---> %s", __func__);
 
 	if (befs_bt_read_node(sb, ds, this_node, *node_off) != BEFS_OK) {
-		befs_error(sb, "befs_btree_seekleaf() failed to read "
-			   "node at %Lu", *node_off);
+		befs_error(sb, "%s failed to read "
+			   "node at %llu", __func__, *node_off);
 		goto error;
 	}
-	befs_debug(sb, "Seekleaf to root node %Lu", *node_off);
+	befs_debug(sb, "Seekleaf to root node %llu", *node_off);
 
 	if (this_node->head.all_key_count == 0 && befs_leafnode(this_node)) {
-		befs_debug(sb, "<--- befs_btree_seekleaf() Tree is EMPTY");
+		befs_debug(sb, "<--- %s Tree is EMPTY", __func__);
 		return BEFS_BT_EMPTY;
 	}
 
 	while (!befs_leafnode(this_node)) {
 
 		if (this_node->head.all_key_count == 0) {
-			befs_debug(sb, "befs_btree_seekleaf() encountered "
-				   "an empty interior node: %Lu. Using Overflow "
-				   "node: %Lu", *node_off,
+			befs_debug(sb, "%s encountered "
+				   "an empty interior node: %llu. Using Overflow "
+				   "node: %llu", __func__, *node_off,
 				   this_node->head.overflow);
 			*node_off = this_node->head.overflow;
 		} else {
@@ -574,19 +577,19 @@ befs_btree_seekleaf(struct super_block *sb, befs_data_stream * ds,
 			*node_off = fs64_to_cpu(sb, valarray[0]);
 		}
 		if (befs_bt_read_node(sb, ds, this_node, *node_off) != BEFS_OK) {
-			befs_error(sb, "befs_btree_seekleaf() failed to read "
-				   "node at %Lu", *node_off);
+			befs_error(sb, "%s failed to read "
+				   "node at %llu", __func__, *node_off);
 			goto error;
 		}
 
-		befs_debug(sb, "Seekleaf to child node %Lu", *node_off);
+		befs_debug(sb, "Seekleaf to child node %llu", *node_off);
 	}
-	befs_debug(sb, "Node %Lu is a leaf node", *node_off);
+	befs_debug(sb, "Node %llu is a leaf node", *node_off);
 
 	return BEFS_OK;
 
       error:
-	befs_debug(sb, "<--- befs_btree_seekleaf() ERROR");
+	befs_debug(sb, "<--- %s ERROR", __func__);
 	return BEFS_ERR;
 }
 
diff --git a/fs/befs/datastream.c b/fs/befs/datastream.c
index 59096b5e0fc7..c467bebd50af 100644
--- a/fs/befs/datastream.c
+++ b/fs/befs/datastream.c
@@ -52,26 +52,25 @@ befs_read_datastream(struct super_block *sb, befs_data_stream * ds,
 	befs_block_run run;
 	befs_blocknr_t block;	/* block coresponding to pos */
 
-	befs_debug(sb, "---> befs_read_datastream() %Lu", pos);
+	befs_debug(sb, "---> %s %llu", __func__, pos);
 	block = pos >> BEFS_SB(sb)->block_shift;
 	if (off)
 		*off = pos - (block << BEFS_SB(sb)->block_shift);
 
 	if (befs_fblock2brun(sb, ds, block, &run) != BEFS_OK) {
 		befs_error(sb, "BeFS: Error finding disk addr of block %lu",
-			   block);
-		befs_debug(sb, "<--- befs_read_datastream() ERROR");
+			   (unsigned long)block);
+		befs_debug(sb, "<--- %s ERROR", __func__);
 		return NULL;
 	}
 	bh = befs_bread_iaddr(sb, run);
 	if (!bh) {
 		befs_error(sb, "BeFS: Error reading block %lu from datastream",
-			   block);
+			   (unsigned long)block);
 		return NULL;
 	}
 
-	befs_debug(sb, "<--- befs_read_datastream() read data, starting at %Lu",
-		   pos);
+	befs_debug(sb, "<--- %s read data, starting at %llu", __func__, pos);
 
 	return bh;
 }
@@ -106,7 +105,8 @@ befs_fblock2brun(struct super_block *sb, befs_data_stream * data,
 	} else {
 		befs_error(sb,
 			   "befs_fblock2brun() was asked to find block %lu, "
-			   "which is not mapped by the datastream\n", fblock);
+			   "which is not mapped by the datastream\n",
+			   (unsigned long)fblock);
 		err = BEFS_ERR;
 	}
 	return err;
@@ -128,14 +128,14 @@ befs_read_lsymlink(struct super_block * sb, befs_data_stream * ds, void *buff,
 	befs_off_t bytes_read = 0;	/* bytes readed */
 	u16 plen;
 	struct buffer_head *bh = NULL;
-	befs_debug(sb, "---> befs_read_lsymlink() length: %Lu", len);
+	befs_debug(sb, "---> %s length: %llu", __func__, len);
 
 	while (bytes_read < len) {
 		bh = befs_read_datastream(sb, ds, bytes_read, NULL);
 		if (!bh) {
 			befs_error(sb, "BeFS: Error reading datastream block "
-				   "starting from %Lu", bytes_read);
-			befs_debug(sb, "<--- befs_read_lsymlink() ERROR");
+				   "starting from %llu", bytes_read);
+			befs_debug(sb, "<--- %s ERROR", __func__);
 			return bytes_read;
 
 		}
@@ -146,7 +146,8 @@ befs_read_lsymlink(struct super_block * sb, befs_data_stream * ds, void *buff,
 		bytes_read += plen;
 	}
 
-	befs_debug(sb, "<--- befs_read_lsymlink() read %u bytes", bytes_read);
+	befs_debug(sb, "<--- %s read %u bytes", __func__, (unsigned int)
+		   bytes_read);
 	return bytes_read;
 }
 
@@ -169,7 +170,7 @@ befs_count_blocks(struct super_block * sb, befs_data_stream * ds)
 	befs_blocknr_t metablocks;	/* FS metadata blocks */
 	befs_sb_info *befs_sb = BEFS_SB(sb);
 
-	befs_debug(sb, "---> befs_count_blocks()");
+	befs_debug(sb, "---> %s", __func__);
 
 	datablocks = ds->size >> befs_sb->block_shift;
 	if (ds->size & (befs_sb->block_size - 1))
@@ -206,7 +207,7 @@ befs_count_blocks(struct super_block * sb, befs_data_stream * ds)
 	}
 
 	blocks = datablocks + metablocks;
-	befs_debug(sb, "<--- befs_count_blocks() %u blocks", blocks);
+	befs_debug(sb, "<--- %s %u blocks", __func__, (unsigned int)blocks);
 
 	return blocks;
 }
@@ -251,11 +252,11 @@ befs_find_brun_direct(struct super_block *sb, befs_data_stream * data,
 	befs_blocknr_t max_block =
 	    data->max_direct_range >> BEFS_SB(sb)->block_shift;
 
-	befs_debug(sb, "---> befs_find_brun_direct(), find %lu", blockno);
+	befs_debug(sb, "---> %s, find %lu", __func__, (unsigned long)blockno);
 
 	if (blockno > max_block) {
-		befs_error(sb, "befs_find_brun_direct() passed block outside of"
-			   "direct region");
+		befs_error(sb, "%s passed block outside of direct region",
+			   __func__);
 		return BEFS_ERR;
 	}
 
@@ -267,13 +268,14 @@ befs_find_brun_direct(struct super_block *sb, befs_data_stream * data,
 			run->start = array[i].start + offset;
 			run->len = array[i].len - offset;
 
-			befs_debug(sb, "---> befs_find_brun_direct(), "
-				   "found %lu at direct[%d]", blockno, i);
+			befs_debug(sb, "---> %s, "
+				   "found %lu at direct[%d]", __func__,
+				   (unsigned long)blockno, i);
 			return BEFS_OK;
 		}
 	}
 
-	befs_debug(sb, "---> befs_find_brun_direct() ERROR");
+	befs_debug(sb, "---> %s ERROR", __func__);
 	return BEFS_ERR;
 }
 
@@ -316,7 +318,7 @@ befs_find_brun_indirect(struct super_block *sb,
 	befs_blocknr_t indirblockno = iaddr2blockno(sb, &indirect);
 	int arraylen = befs_iaddrs_per_block(sb);
 
-	befs_debug(sb, "---> befs_find_brun_indirect(), find %lu", blockno);
+	befs_debug(sb, "---> %s, find %lu", __func__, (unsigned long)blockno);
 
 	indir_start_blk = data->max_direct_range >> BEFS_SB(sb)->block_shift;
 	search_blk = blockno - indir_start_blk;
@@ -325,10 +327,9 @@ befs_find_brun_indirect(struct super_block *sb,
 	for (i = 0; i < indirect.len; i++) {
 		indirblock = befs_bread(sb, indirblockno + i);
 		if (indirblock == NULL) {
-			befs_debug(sb,
-				   "---> befs_find_brun_indirect() failed to "
-				   "read disk block %lu from the indirect brun",
-				   indirblockno + i);
+			befs_debug(sb, "---> %s failed to read "
+				   "disk block %lu from the indirect brun",
+				   __func__, (unsigned long)indirblockno + i);
 			return BEFS_ERR;
 		}
 
@@ -348,9 +349,10 @@ befs_find_brun_indirect(struct super_block *sb,
 
 				brelse(indirblock);
 				befs_debug(sb,
-					   "<--- befs_find_brun_indirect() found "
-					   "file block %lu at indirect[%d]",
-					   blockno, j + (i * arraylen));
+					   "<--- %s found file block "
+					   "%lu at indirect[%d]", __func__,
+					   (unsigned long)blockno,
+					   j + (i * arraylen));
 				return BEFS_OK;
 			}
 			sum += len;
@@ -360,10 +362,10 @@ befs_find_brun_indirect(struct super_block *sb,
 	}
 
 	/* Only fallthrough is an error */
-	befs_error(sb, "BeFS: befs_find_brun_indirect() failed to find "
-		   "file block %lu", blockno);
+	befs_error(sb, "BeFS: %s failed to find "
+		   "file block %lu", __func__, (unsigned long)blockno);
 
-	befs_debug(sb, "<--- befs_find_brun_indirect() ERROR");
+	befs_debug(sb, "<--- %s ERROR", __func__);
 	return BEFS_ERR;
 }
 
@@ -444,7 +446,7 @@ befs_find_brun_dblindirect(struct super_block *sb,
 	size_t diblklen = iblklen * befs_iaddrs_per_block(sb)
 	    * BEFS_DBLINDIR_BRUN_LEN;
 
-	befs_debug(sb, "---> befs_find_brun_dblindirect() find %lu", blockno);
+	befs_debug(sb, "---> %s find %lu", __func__, (unsigned long)blockno);
 
 	/* First, discover which of the double_indir->indir blocks
 	 * contains pos. Then figure out how much of pos that
@@ -460,8 +462,9 @@ befs_find_brun_dblindirect(struct super_block *sb,
 	dbl_which_block = dblindir_indx / befs_iaddrs_per_block(sb);
 	if (dbl_which_block > data->double_indirect.len) {
 		befs_error(sb, "The double-indirect index calculated by "
-			   "befs_read_brun_dblindirect(), %d, is outside the range "
-			   "of the double-indirect block", dblindir_indx);
+			   "%s, %d, is outside the range "
+			   "of the double-indirect block", __func__,
+			   dblindir_indx);
 		return BEFS_ERR;
 	}
 
@@ -469,10 +472,10 @@ befs_find_brun_dblindirect(struct super_block *sb,
 	    befs_bread(sb, iaddr2blockno(sb, &data->double_indirect) +
 					dbl_which_block);
 	if (dbl_indir_block == NULL) {
-		befs_error(sb, "befs_read_brun_dblindirect() couldn't read the "
-			   "double-indirect block at blockno %lu",
-			   iaddr2blockno(sb,
-					 &data->double_indirect) +
+		befs_error(sb, "%s couldn't read the "
+			   "double-indirect block at blockno %lu", __func__,
+			   (unsigned long)
+			   iaddr2blockno(sb, &data->double_indirect) +
 			   dbl_which_block);
 		brelse(dbl_indir_block);
 		return BEFS_ERR;
@@ -489,16 +492,16 @@ befs_find_brun_dblindirect(struct super_block *sb,
 	which_block = indir_indx / befs_iaddrs_per_block(sb);
 	if (which_block > indir_run.len) {
 		befs_error(sb, "The indirect index calculated by "
-			   "befs_read_brun_dblindirect(), %d, is outside the range "
-			   "of the indirect block", indir_indx);
+			   "%s, %d, is outside the range "
+			   "of the indirect block", __func__, indir_indx);
 		return BEFS_ERR;
 	}
 
 	indir_block =
 	    befs_bread(sb, iaddr2blockno(sb, &indir_run) + which_block);
 	if (indir_block == NULL) {
-		befs_error(sb, "befs_read_brun_dblindirect() couldn't read the "
-			   "indirect block at blockno %lu",
+		befs_error(sb, "%s couldn't read the indirect block "
+			   "at blockno %lu", __func__, (unsigned long)
 			   iaddr2blockno(sb, &indir_run) + which_block);
 		brelse(indir_block);
 		return BEFS_ERR;
@@ -519,7 +522,7 @@ befs_find_brun_dblindirect(struct super_block *sb,
 	run->len -= offset;
 
 	befs_debug(sb, "Found file block %lu in double_indirect[%d][%d],"
-		   " double_indirect_leftover = %lu",
+		   " double_indirect_leftover = %lu", (unsigned long)
 		   blockno, dblindir_indx, indir_indx, dblindir_leftover);
 
 	return BEFS_OK;
diff --git a/fs/befs/debug.c b/fs/befs/debug.c
index 622e73775c83..4de7cffcd662 100644
--- a/fs/befs/debug.c
+++ b/fs/befs/debug.c
@@ -10,6 +10,7 @@
  * debug functions
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #ifdef __KERNEL__
 
 #include <stdarg.h>
@@ -23,43 +24,30 @@
 
 #include "befs.h"
 
-#define ERRBUFSIZE 1024
-
 void
 befs_error(const struct super_block *sb, const char *fmt, ...)
 {
+	struct va_format vaf;
 	va_list args;
-	char *err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
-	if (err_buf == NULL) {
-		printk(KERN_ERR "could not allocate %d bytes\n", ERRBUFSIZE);
-		return;
-	}
 
 	va_start(args, fmt);
-	vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
+	vaf.fmt = fmt;
+	vaf.va = &args;
+	pr_err("(%s): %pV\n", sb->s_id, &vaf);
 	va_end(args);
-
-	printk(KERN_ERR "BeFS(%s): %s\n", sb->s_id, err_buf);
-	kfree(err_buf);
 }
 
 void
 befs_warning(const struct super_block *sb, const char *fmt, ...)
 {
+	struct va_format vaf;
 	va_list args;
-	char *err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
-	if (err_buf == NULL) {
-		printk(KERN_ERR "could not allocate %d bytes\n", ERRBUFSIZE);
-		return;
-	}
 
 	va_start(args, fmt);
-	vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
+	vaf.fmt = fmt;
+	vaf.va = &args;
+	pr_warn("(%s): %pV\n", sb->s_id, &vaf);
 	va_end(args);
-
-	printk(KERN_WARNING "BeFS(%s): %s\n", sb->s_id, err_buf);
-
-	kfree(err_buf);
 }
 
 void
@@ -67,25 +55,13 @@ befs_debug(const struct super_block *sb, const char *fmt, ...)
 {
 #ifdef CONFIG_BEFS_DEBUG
 
+	struct va_format vaf;
 	va_list args;
-	char *err_buf = NULL;
-
-	if (BEFS_SB(sb)->mount_opts.debug) {
-		err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
-		if (err_buf == NULL) {
-			printk(KERN_ERR "could not allocate %d bytes\n",
-				ERRBUFSIZE);
-			return;
-		}
-
-		va_start(args, fmt);
-		vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
-		va_end(args);
-
-		printk(KERN_DEBUG "BeFS(%s): %s\n", sb->s_id, err_buf);
-
-		kfree(err_buf);
-	}
+	va_start(args, fmt);
+	vaf.fmt = fmt;
+	vaf.va = &args;
+	pr_debug("(%s): %pV\n", sb->s_id, &vaf);
+	va_end(args);
 
 #endif				//CONFIG_BEFS_DEBUG
 }
@@ -109,9 +85,9 @@ befs_dump_inode(const struct super_block *sb, befs_inode * inode)
 	befs_debug(sb, "  gid %u", fs32_to_cpu(sb, inode->gid));
 	befs_debug(sb, "  mode %08x", fs32_to_cpu(sb, inode->mode));
 	befs_debug(sb, "  flags %08x", fs32_to_cpu(sb, inode->flags));
-	befs_debug(sb, "  create_time %Lu",
+	befs_debug(sb, "  create_time %llu",
 		   fs64_to_cpu(sb, inode->create_time));
-	befs_debug(sb, "  last_modified_time %Lu",
+	befs_debug(sb, "  last_modified_time %llu",
 		   fs64_to_cpu(sb, inode->last_modified_time));
 
 	tmp_run = fsrun_to_cpu(sb, inode->parent);
@@ -137,7 +113,7 @@ befs_dump_inode(const struct super_block *sb, befs_inode * inode)
 				   tmp_run.allocation_group, tmp_run.start,
 				   tmp_run.len);
 		}
-		befs_debug(sb, "  max_direct_range %Lu",
+		befs_debug(sb, "  max_direct_range %llu",
 			   fs64_to_cpu(sb,
 				       inode->data.datastream.
 				       max_direct_range));
@@ -147,7 +123,7 @@ befs_dump_inode(const struct super_block *sb, befs_inode * inode)
 			   tmp_run.allocation_group,
 			   tmp_run.start, tmp_run.len);
 
-		befs_debug(sb, "  max_indirect_range %Lu",
+		befs_debug(sb, "  max_indirect_range %llu",
 			   fs64_to_cpu(sb,
 				       inode->data.datastream.
 				       max_indirect_range));
@@ -158,12 +134,12 @@ befs_dump_inode(const struct super_block *sb, befs_inode * inode)
 			   tmp_run.allocation_group, tmp_run.start,
 			   tmp_run.len);
 
-		befs_debug(sb, "  max_double_indirect_range %Lu",
+		befs_debug(sb, "  max_double_indirect_range %llu",
 			   fs64_to_cpu(sb,
 				       inode->data.datastream.
 				       max_double_indirect_range));
 
-		befs_debug(sb, "  size %Lu",
+		befs_debug(sb, "  size %llu",
 			   fs64_to_cpu(sb, inode->data.datastream.size));
 	}
 
@@ -191,8 +167,8 @@ befs_dump_super_block(const struct super_block *sb, befs_super_block * sup)
 	befs_debug(sb, "  block_size %u", fs32_to_cpu(sb, sup->block_size));
 	befs_debug(sb, "  block_shift %u", fs32_to_cpu(sb, sup->block_shift));
 
-	befs_debug(sb, "  num_blocks %Lu", fs64_to_cpu(sb, sup->num_blocks));
-	befs_debug(sb, "  used_blocks %Lu", fs64_to_cpu(sb, sup->used_blocks));
+	befs_debug(sb, "  num_blocks %llu", fs64_to_cpu(sb, sup->num_blocks));
+	befs_debug(sb, "  used_blocks %llu", fs64_to_cpu(sb, sup->used_blocks));
 
 	befs_debug(sb, "  magic2 %08x", fs32_to_cpu(sb, sup->magic2));
 	befs_debug(sb, "  blocks_per_ag %u",
@@ -206,8 +182,8 @@ befs_dump_super_block(const struct super_block *sb, befs_super_block * sup)
 	befs_debug(sb, "  log_blocks %u, %hu, %hu",
 		   tmp_run.allocation_group, tmp_run.start, tmp_run.len);
 
-	befs_debug(sb, "  log_start %Ld", fs64_to_cpu(sb, sup->log_start));
-	befs_debug(sb, "  log_end %Ld", fs64_to_cpu(sb, sup->log_end));
+	befs_debug(sb, "  log_start %lld", fs64_to_cpu(sb, sup->log_start));
+	befs_debug(sb, "  log_end %lld", fs64_to_cpu(sb, sup->log_end));
 
 	befs_debug(sb, "  magic3 %08x", fs32_to_cpu(sb, sup->magic3));
 
diff --git a/fs/befs/inode.c b/fs/befs/inode.c
index 94c17f9a9576..fa4b718de597 100644
--- a/fs/befs/inode.c
+++ b/fs/befs/inode.c
@@ -25,7 +25,8 @@ befs_check_inode(struct super_block *sb, befs_inode * raw_inode,
 	/* check magic header. */
 	if (magic1 != BEFS_INODE_MAGIC1) {
 		befs_error(sb,
-			   "Inode has a bad magic header - inode = %lu", inode);
+			   "Inode has a bad magic header - inode = %lu",
+			   (unsigned long)inode);
 		return BEFS_BAD_INODE;
 	}
 
@@ -34,8 +35,8 @@ befs_check_inode(struct super_block *sb, befs_inode * raw_inode,
 	 */
 	if (inode != iaddr2blockno(sb, &ino_num)) {
 		befs_error(sb, "inode blocknr field disagrees with vfs "
-			   "VFS: %lu, Inode %lu",
-			   inode, iaddr2blockno(sb, &ino_num));
+			   "VFS: %lu, Inode %lu", (unsigned long)
+			   inode, (unsigned long)iaddr2blockno(sb, &ino_num));
 		return BEFS_BAD_INODE;
 	}
 
@@ -44,7 +45,8 @@ befs_check_inode(struct super_block *sb, befs_inode * raw_inode,
 	 */
 
 	if (!(flags & BEFS_INODE_IN_USE)) {
-		befs_error(sb, "inode is not used - inode = %lu", inode);
+		befs_error(sb, "inode is not used - inode = %lu",
+			   (unsigned long)inode);
 		return BEFS_BAD_INODE;
 	}
 
diff --git a/fs/befs/io.c b/fs/befs/io.c
index ddef98aa255d..0408a3d601d0 100644
--- a/fs/befs/io.c
+++ b/fs/befs/io.c
@@ -30,9 +30,9 @@ befs_bread_iaddr(struct super_block *sb, befs_inode_addr iaddr)
 	befs_blocknr_t block = 0;
 	befs_sb_info *befs_sb = BEFS_SB(sb);
 
-	befs_debug(sb, "---> Enter befs_read_iaddr() "
-		   "[%u, %hu, %hu]",
-		   iaddr.allocation_group, iaddr.start, iaddr.len);
+	befs_debug(sb, "---> Enter %s "
+		   "[%u, %hu, %hu]", __func__, iaddr.allocation_group,
+		   iaddr.start, iaddr.len);
 
 	if (iaddr.allocation_group > befs_sb->num_ags) {
 		befs_error(sb, "BEFS: Invalid allocation group %u, max is %u",
@@ -42,20 +42,21 @@ befs_bread_iaddr(struct super_block *sb, befs_inode_addr iaddr)
 
 	block = iaddr2blockno(sb, &iaddr);
 
-	befs_debug(sb, "befs_read_iaddr: offset = %lu", block);
+	befs_debug(sb, "%s: offset = %lu", __func__, (unsigned long)block);
 
 	bh = sb_bread(sb, block);
 
 	if (bh == NULL) {
-		befs_error(sb, "Failed to read block %lu", block);
+		befs_error(sb, "Failed to read block %lu",
+			   (unsigned long)block);
 		goto error;
 	}
 
-	befs_debug(sb, "<--- befs_read_iaddr()");
+	befs_debug(sb, "<--- %s", __func__);
 	return bh;
 
       error:
-	befs_debug(sb, "<--- befs_read_iaddr() ERROR");
+	befs_debug(sb, "<--- %s ERROR", __func__);
 	return NULL;
 }
 
@@ -64,20 +65,21 @@ befs_bread(struct super_block *sb, befs_blocknr_t block)
 {
 	struct buffer_head *bh = NULL;
 
-	befs_debug(sb, "---> Enter befs_read() %Lu", block);
+	befs_debug(sb, "---> Enter %s %lu", __func__, (unsigned long)block);
 
 	bh = sb_bread(sb, block);
 
 	if (bh == NULL) {
-		befs_error(sb, "Failed to read block %lu", block);
+		befs_error(sb, "Failed to read block %lu",
+			   (unsigned long)block);
 		goto error;
 	}
 
-	befs_debug(sb, "<--- befs_read()");
+	befs_debug(sb, "<--- %s", __func__);
 
 	return bh;
 
       error:
-	befs_debug(sb, "<--- befs_read() ERROR");
+	befs_debug(sb, "<--- %s ERROR", __func__);
 	return NULL;
 }
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index 56d70c8a89b0..d626756ff721 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -5,6 +5,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/fs.h>
@@ -39,7 +41,6 @@ static struct dentry *befs_lookup(struct inode *, struct dentry *, unsigned int)
 static struct inode *befs_iget(struct super_block *, unsigned long);
 static struct inode *befs_alloc_inode(struct super_block *sb);
 static void befs_destroy_inode(struct inode *inode);
-static int befs_init_inodecache(void);
 static void befs_destroy_inodecache(void);
 static void *befs_follow_link(struct dentry *, struct nameidata *);
 static void *befs_fast_follow_link(struct dentry *, struct nameidata *);
@@ -131,26 +132,28 @@ befs_get_block(struct inode *inode, sector_t block,
 	ulong disk_off;
 
 	befs_debug(sb, "---> befs_get_block() for inode %lu, block %ld",
-		   inode->i_ino, block);
+		   (unsigned long)inode->i_ino, (long)block);
 
 	if (block < 0) {
 		befs_error(sb, "befs_get_block() was asked for a block "
 			   "number less than zero: block %ld in inode %lu",
-			   block, inode->i_ino);
+			   (long)block, (unsigned long)inode->i_ino);
 		return -EIO;
 	}
 
 	if (create) {
 		befs_error(sb, "befs_get_block() was asked to write to "
-			   "block %ld in inode %lu", block, inode->i_ino);
+			   "block %ld in inode %lu", (long)block,
+			   (unsigned long)inode->i_ino);
 		return -EPERM;
 	}
 
 	res = befs_fblock2brun(sb, ds, block, &run);
 	if (res != BEFS_OK) {
 		befs_error(sb,
-			   "<--- befs_get_block() for inode %lu, block "
-			   "%ld ERROR", inode->i_ino, block);
+			   "<--- %s for inode %lu, block %ld ERROR",
+			   __func__, (unsigned long)inode->i_ino,
+			   (long)block);
 		return -EFBIG;
 	}
 
@@ -158,8 +161,9 @@ befs_get_block(struct inode *inode, sector_t block,
 
 	map_bh(bh_result, inode->i_sb, disk_off);
 
-	befs_debug(sb, "<--- befs_get_block() for inode %lu, block %ld, "
-		   "disk address %lu", inode->i_ino, block, disk_off);
+	befs_debug(sb, "<--- %s for inode %lu, block %ld, disk address %lu",
+		  __func__, (unsigned long)inode->i_ino, (long)block,
+		  (unsigned long)disk_off);
 
 	return 0;
 }
@@ -176,15 +180,15 @@ befs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
 	char *utfname;
 	const char *name = dentry->d_name.name;
 
-	befs_debug(sb, "---> befs_lookup() "
-		   "name %s inode %ld", dentry->d_name.name, dir->i_ino);
+	befs_debug(sb, "---> %s name %s inode %ld", __func__,
+		   dentry->d_name.name, dir->i_ino);
 
 	/* Convert to UTF-8 */
 	if (BEFS_SB(sb)->nls) {
 		ret =
 		    befs_nls2utf(sb, name, strlen(name), &utfname, &utfnamelen);
 		if (ret < 0) {
-			befs_debug(sb, "<--- befs_lookup() ERROR");
+			befs_debug(sb, "<--- %s ERROR", __func__);
 			return ERR_PTR(ret);
 		}
 		ret = befs_btree_find(sb, ds, utfname, &offset);
@@ -195,12 +199,12 @@ befs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
 	}
 
 	if (ret == BEFS_BT_NOT_FOUND) {
-		befs_debug(sb, "<--- befs_lookup() %s not found",
+		befs_debug(sb, "<--- %s %s not found", __func__,
 			   dentry->d_name.name);
 		return ERR_PTR(-ENOENT);
 
 	} else if (ret != BEFS_OK || offset == 0) {
-		befs_warning(sb, "<--- befs_lookup() Error");
+		befs_warning(sb, "<--- %s Error", __func__);
 		return ERR_PTR(-ENODATA);
 	}
 
@@ -210,7 +214,7 @@ befs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
 
 	d_add(dentry, inode);
 
-	befs_debug(sb, "<--- befs_lookup()");
+	befs_debug(sb, "<--- %s", __func__);
 
 	return NULL;
 }
@@ -228,26 +232,25 @@ befs_readdir(struct file *file, struct dir_context *ctx)
 	char keybuf[BEFS_NAME_LEN + 1];
 	const char *dirname = file->f_path.dentry->d_name.name;
 
-	befs_debug(sb, "---> befs_readdir() "
-		   "name %s, inode %ld, ctx->pos %Ld",
-		   dirname, inode->i_ino, ctx->pos);
+	befs_debug(sb, "---> %s name %s, inode %ld, ctx->pos %lld",
+		  __func__, dirname, inode->i_ino, ctx->pos);
 
 more:
 	result = befs_btree_read(sb, ds, ctx->pos, BEFS_NAME_LEN + 1,
 				 keybuf, &keysize, &value);
 
 	if (result == BEFS_ERR) {
-		befs_debug(sb, "<--- befs_readdir() ERROR");
+		befs_debug(sb, "<--- %s ERROR", __func__);
 		befs_error(sb, "IO error reading %s (inode %lu)",
 			   dirname, inode->i_ino);
 		return -EIO;
 
 	} else if (result == BEFS_BT_END) {
-		befs_debug(sb, "<--- befs_readdir() END");
+		befs_debug(sb, "<--- %s END", __func__);
 		return 0;
 
 	} else if (result == BEFS_BT_EMPTY) {
-		befs_debug(sb, "<--- befs_readdir() Empty directory");
+		befs_debug(sb, "<--- %s Empty directory", __func__);
 		return 0;
 	}
 
@@ -260,7 +263,7 @@ more:
 		result =
 		    befs_utf2nls(sb, keybuf, keysize, &nlsname, &nlsnamelen);
 		if (result < 0) {
-			befs_debug(sb, "<--- befs_readdir() ERROR");
+			befs_debug(sb, "<--- %s ERROR", __func__);
 			return result;
 		}
 		if (!dir_emit(ctx, nlsname, nlsnamelen,
@@ -277,7 +280,7 @@ more:
 	ctx->pos++;
 	goto more;
 
-	befs_debug(sb, "<--- befs_readdir() pos %Ld", ctx->pos);
+	befs_debug(sb, "<--- %s pos %lld", __func__, ctx->pos);
 
 	return 0;
 }
@@ -321,7 +324,7 @@ static struct inode *befs_iget(struct super_block *sb, unsigned long ino)
 	struct inode *inode;
 	long ret = -EIO;
 
-	befs_debug(sb, "---> befs_read_inode() " "inode = %lu", ino);
+	befs_debug(sb, "---> %s inode = %lu", __func__, ino);
 
 	inode = iget_locked(sb, ino);
 	if (!inode)
@@ -428,7 +431,7 @@ static struct inode *befs_iget(struct super_block *sb, unsigned long ino)
 	}
 
 	brelse(bh);
-	befs_debug(sb, "<--- befs_read_inode()");
+	befs_debug(sb, "<--- %s", __func__);
 	unlock_new_inode(inode);
 	return inode;
 
@@ -437,7 +440,7 @@ static struct inode *befs_iget(struct super_block *sb, unsigned long ino)
 
       unacquire_none:
 	iget_failed(inode);
-	befs_debug(sb, "<--- befs_read_inode() - Bad inode");
+	befs_debug(sb, "<--- %s - Bad inode", __func__);
 	return ERR_PTR(ret);
 }
 
@@ -445,7 +448,7 @@ static struct inode *befs_iget(struct super_block *sb, unsigned long ino)
  *
  * Taken from NFS implementation by Al Viro.
  */
-static int
+static int __init
 befs_init_inodecache(void)
 {
 	befs_inode_cachep = kmem_cache_create("befs_inode_cache",
@@ -454,11 +457,9 @@ befs_init_inodecache(void)
 						SLAB_MEM_SPREAD),
 					      init_once);
 	if (befs_inode_cachep == NULL) {
-		printk(KERN_ERR "befs_init_inodecache: "
-		       "Couldn't initialize inode slabcache\n");
+		pr_err("%s: Couldn't initialize inode slabcache\n", __func__);
 		return -ENOMEM;
 	}
-
 	return 0;
 }
 
@@ -544,16 +545,16 @@ befs_utf2nls(struct super_block *sb, const char *in,
 	 */
 	int maxlen = in_len + 1;
 
-	befs_debug(sb, "---> utf2nls()");
+	befs_debug(sb, "---> %s", __func__);
 
 	if (!nls) {
-		befs_error(sb, "befs_utf2nls called with no NLS table loaded");
+		befs_error(sb, "%s called with no NLS table loaded", __func__);
 		return -EINVAL;
 	}
 
 	*out = result = kmalloc(maxlen, GFP_NOFS);
 	if (!*out) {
-		befs_error(sb, "befs_utf2nls() cannot allocate memory");
+		befs_error(sb, "%s cannot allocate memory", __func__);
 		*out_len = 0;
 		return -ENOMEM;
 	}
@@ -575,14 +576,14 @@ befs_utf2nls(struct super_block *sb, const char *in,
 	result[o] = '\0';
 	*out_len = o;
 
-	befs_debug(sb, "<--- utf2nls()");
+	befs_debug(sb, "<--- %s", __func__);
 
 	return o;
 
       conv_err:
 	befs_error(sb, "Name using character set %s contains a character that "
 		   "cannot be converted to unicode.", nls->charset);
-	befs_debug(sb, "<--- utf2nls()");
+	befs_debug(sb, "<--- %s", __func__);
 	kfree(result);
 	return -EILSEQ;
 }
@@ -623,16 +624,17 @@ befs_nls2utf(struct super_block *sb, const char *in,
 	 * in special cases */
 	int maxlen = (3 * in_len) + 1;
 
-	befs_debug(sb, "---> nls2utf()\n");
+	befs_debug(sb, "---> %s\n", __func__);
 
 	if (!nls) {
-		befs_error(sb, "befs_nls2utf called with no NLS table loaded.");
+		befs_error(sb, "%s called with no NLS table loaded.",
+			   __func__);
 		return -EINVAL;
 	}
 
 	*out = result = kmalloc(maxlen, GFP_NOFS);
 	if (!*out) {
-		befs_error(sb, "befs_nls2utf() cannot allocate memory");
+		befs_error(sb, "%s cannot allocate memory", __func__);
 		*out_len = 0;
 		return -ENOMEM;
 	}
@@ -653,14 +655,14 @@ befs_nls2utf(struct super_block *sb, const char *in,
 	result[o] = '\0';
 	*out_len = o;
 
-	befs_debug(sb, "<--- nls2utf()");
+	befs_debug(sb, "<--- %s", __func__);
 
 	return i;
 
       conv_err:
 	befs_error(sb, "Name using charecter set %s contains a charecter that "
 		   "cannot be converted to unicode.", nls->charset);
-	befs_debug(sb, "<--- nls2utf()");
+	befs_debug(sb, "<--- %s", __func__);
 	kfree(result);
 	return -EILSEQ;
 }
@@ -715,8 +717,8 @@ parse_options(char *options, befs_mount_options * opts)
 			if (option >= 0)
 				uid = make_kuid(current_user_ns(), option);
 			if (!uid_valid(uid)) {
-				printk(KERN_ERR "BeFS: Invalid uid %d, "
-						"using default\n", option);
+				pr_err("Invalid uid %d, "
+				       "using default\n", option);
 				break;
 			}
 			opts->uid = uid;
@@ -729,8 +731,8 @@ parse_options(char *options, befs_mount_options * opts)
 			if (option >= 0)
 				gid = make_kgid(current_user_ns(), option);
 			if (!gid_valid(gid)) {
-				printk(KERN_ERR "BeFS: Invalid gid %d, "
-						"using default\n", option);
+				pr_err("Invalid gid %d, "
+				       "using default\n", option);
 				break;
 			}
 			opts->gid = gid;
@@ -740,8 +742,8 @@ parse_options(char *options, befs_mount_options * opts)
 			kfree(opts->iocharset);
 			opts->iocharset = match_strdup(&args[0]);
 			if (!opts->iocharset) {
-				printk(KERN_ERR "BeFS: allocation failure for "
-						"iocharset string\n");
+				pr_err("allocation failure for "
+				       "iocharset string\n");
 				return 0;
 			}
 			break;
@@ -749,8 +751,8 @@ parse_options(char *options, befs_mount_options * opts)
 			opts->debug = 1;
 			break;
 		default:
-			printk(KERN_ERR "BeFS: Unrecognized mount option \"%s\" "
-					"or missing value\n", p);
+			pr_err("Unrecognized mount option \"%s\" "
+			       "or missing value\n", p);
 			return 0;
 		}
 	}
@@ -791,22 +793,20 @@ befs_fill_super(struct super_block *sb, void *data, int silent)
 
 	save_mount_options(sb, data);
 
-	sb->s_fs_info = kmalloc(sizeof (*befs_sb), GFP_KERNEL);
+	sb->s_fs_info = kzalloc(sizeof(*befs_sb), GFP_KERNEL);
 	if (sb->s_fs_info == NULL) {
-		printk(KERN_ERR
-		       "BeFS(%s): Unable to allocate memory for private "
+		pr_err("(%s): Unable to allocate memory for private "
 		       "portion of superblock. Bailing.\n", sb->s_id);
 		goto unacquire_none;
 	}
 	befs_sb = BEFS_SB(sb);
-	memset(befs_sb, 0, sizeof(befs_sb_info));
 
 	if (!parse_options((char *) data, &befs_sb->mount_opts)) {
 		befs_error(sb, "cannot parse mount options");
 		goto unacquire_priv_sbp;
 	}
 
-	befs_debug(sb, "---> befs_fill_super()");
+	befs_debug(sb, "---> %s", __func__);
 
 #ifndef CONFIG_BEFS_RW
 	if (!(sb->s_flags & MS_RDONLY)) {
@@ -854,7 +854,7 @@ befs_fill_super(struct super_block *sb, void *data, int silent)
 		goto unacquire_priv_sbp;
 
 	if( befs_sb->num_blocks > ~((sector_t)0) ) {
-		befs_error(sb, "blocks count: %Lu "
+		befs_error(sb, "blocks count: %llu "
 			"is larger than the host can use",
 			befs_sb->num_blocks);
 		goto unacquire_priv_sbp;
@@ -925,7 +925,7 @@ befs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	struct super_block *sb = dentry->d_sb;
 	u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
 
-	befs_debug(sb, "---> befs_statfs()");
+	befs_debug(sb, "---> %s", __func__);
 
 	buf->f_type = BEFS_SUPER_MAGIC;
 	buf->f_bsize = sb->s_blocksize;
@@ -938,7 +938,7 @@ befs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	buf->f_fsid.val[1] = (u32)(id >> 32);
 	buf->f_namelen = BEFS_NAME_LEN;
 
-	befs_debug(sb, "<--- befs_statfs()");
+	befs_debug(sb, "<--- %s", __func__);
 
 	return 0;
 }
@@ -964,7 +964,7 @@ init_befs_fs(void)
 {
 	int err;
 
-	printk(KERN_INFO "BeFS version: %s\n", BEFS_VERSION);
+	pr_info("version: %s\n", BEFS_VERSION);
 
 	err = befs_init_inodecache();
 	if (err)
diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c
index 8defc6b3f9a2..7041ac35ace8 100644
--- a/fs/bfs/inode.c
+++ b/fs/bfs/inode.c
@@ -172,7 +172,7 @@ static void bfs_evict_inode(struct inode *inode)
 
 	dprintf("ino=%08lx\n", ino);
 
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	invalidate_inode_buffers(inode);
 	clear_inode(inode);
 
@@ -266,7 +266,7 @@ static void init_once(void *foo)
 	inode_init_once(&bi->vfs_inode);
 }
 
-static int init_inodecache(void)
+static int __init init_inodecache(void)
 {
 	bfs_inode_cachep = kmem_cache_create("bfs_inode_cache",
 					     sizeof(struct bfs_inode_info),
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 67be2951b98a..c2e5d4647345 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -46,10 +46,15 @@
 #endif
 
 static int load_elf_binary(struct linux_binprm *bprm);
-static int load_elf_library(struct file *);
 static unsigned long elf_map(struct file *, unsigned long, struct elf_phdr *,
 				int, int, unsigned long);
 
+#ifdef CONFIG_USELIB
+static int load_elf_library(struct file *);
+#else
+#define load_elf_library NULL
+#endif
+
 /*
  * If we don't support core dumping, then supply a NULL so we
  * don't even try.
@@ -140,6 +145,25 @@ static int padzero(unsigned long elf_bss)
 #define ELF_BASE_PLATFORM NULL
 #endif
 
+/*
+ * Use get_random_int() to implement AT_RANDOM while avoiding depletion
+ * of the entropy pool.
+ */
+static void get_atrandom_bytes(unsigned char *buf, size_t nbytes)
+{
+	unsigned char *p = buf;
+
+	while (nbytes) {
+		unsigned int random_variable;
+		size_t chunk = min(nbytes, sizeof(random_variable));
+
+		random_variable = get_random_int();
+		memcpy(p, &random_variable, chunk);
+		p += chunk;
+		nbytes -= chunk;
+	}
+}
+
 static int
 create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
 		unsigned long load_addr, unsigned long interp_load_addr)
@@ -201,7 +225,7 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
 	/*
 	 * Generate 16 random bytes for userspace PRNG seeding.
 	 */
-	get_random_bytes(k_rand_bytes, sizeof(k_rand_bytes));
+	get_atrandom_bytes(k_rand_bytes, sizeof(k_rand_bytes));
 	u_rand_bytes = (elf_addr_t __user *)
 		       STACK_ALLOC(p, sizeof(k_rand_bytes));
 	if (__copy_to_user(u_rand_bytes, k_rand_bytes, sizeof(k_rand_bytes)))
@@ -579,7 +603,6 @@ static int load_elf_binary(struct linux_binprm *bprm)
 	unsigned long start_code, end_code, start_data, end_data;
 	unsigned long reloc_func_desc __maybe_unused = 0;
 	int executable_stack = EXSTACK_DEFAULT;
-	unsigned long def_flags = 0;
 	struct pt_regs *regs = current_pt_regs();
 	struct {
 		struct elfhdr elf_ex;
@@ -719,9 +742,6 @@ static int load_elf_binary(struct linux_binprm *bprm)
 	if (retval)
 		goto out_free_dentry;
 
-	/* OK, This is the point of no return */
-	current->mm->def_flags = def_flags;
-
 	/* Do this immediately, since STACK_TOP as used in setup_arg_pages
 	   may depend on the personality.  */
 	SET_PERSONALITY(loc->elf_ex);
@@ -1005,6 +1025,7 @@ out_free_ph:
 	goto out;
 }
 
+#ifdef CONFIG_USELIB
 /* This is really simpleminded and specialized - we are loading an
    a.out library that is given an ELF header. */
 static int load_elf_library(struct file *file)
@@ -1083,6 +1104,7 @@ out_free_ph:
 out:
 	return error;
 }
+#endif /* #ifdef CONFIG_USELIB */
 
 #ifdef CONFIG_ELF_CORE
 /*
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 1e86823a9cbd..ba0d2b05bb78 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -83,7 +83,7 @@ void kill_bdev(struct block_device *bdev)
 {
 	struct address_space *mapping = bdev->bd_inode->i_mapping;
 
-	if (mapping->nrpages == 0)
+	if (mapping->nrpages == 0 && mapping->nrshadows == 0)
 		return;
 
 	invalidate_bh_lrus();
@@ -419,7 +419,7 @@ static void bdev_evict_inode(struct inode *inode)
 {
 	struct block_device *bdev = &BDEV_I(inode)->bdev;
 	struct list_head *p;
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	invalidate_inode_buffers(inode); /* is it needed here? */
 	clear_inode(inode);
 	spin_lock(&bdev_lock);
@@ -1523,7 +1523,7 @@ ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov,
 		ssize_t err;
 
 		err = generic_write_sync(file, pos, ret);
-		if (err < 0 && ret > 0)
+		if (err < 0)
 			ret = err;
 	}
 	blk_finish_plug(&plug);
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index b01fb6c527e3..d43c544d3b68 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -472,7 +472,7 @@ static noinline int add_ra_bio_pages(struct inode *inode,
 		rcu_read_lock();
 		page = radix_tree_lookup(&mapping->page_tree, pg_index);
 		rcu_read_unlock();
-		if (page) {
+		if (page && !radix_tree_exceptional_entry(page)) {
 			misses++;
 			if (misses > 4)
 				break;
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 036f506cabd8..c660527af838 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1826,7 +1826,7 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
 	BTRFS_I(inode)->last_sub_trans = root->log_transid;
 	if (num_written > 0) {
 		err = generic_write_sync(file, pos, num_written);
-		if (err < 0 && num_written > 0)
+		if (err < 0)
 			num_written = err;
 	}
 
@@ -2025,6 +2025,7 @@ out:
 
 static const struct vm_operations_struct btrfs_file_vm_ops = {
 	.fault		= filemap_fault,
+	.map_pages	= filemap_map_pages,
 	.page_mkwrite	= btrfs_page_mkwrite,
 	.remap_pages	= generic_file_remap_pages,
 };
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 572d40b793ee..06e9a4152b14 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4596,7 +4596,7 @@ static void evict_inode_truncate_pages(struct inode *inode)
 	struct rb_node *node;
 
 	ASSERT(inode->i_state & I_FREEING);
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 
 	write_lock(&map_tree->lock);
 	while (!RB_EMPTY_ROOT(&map_tree->map)) {
diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c
index ebaff368120d..4b1fb5ca65b8 100644
--- a/fs/cachefiles/rdwr.c
+++ b/fs/cachefiles/rdwr.c
@@ -265,24 +265,22 @@ static int cachefiles_read_backing_file_one(struct cachefiles_object *object,
 				goto nomem_monitor;
 		}
 
-		ret = add_to_page_cache(newpage, bmapping,
-					netpage->index, cachefiles_gfp);
+		ret = add_to_page_cache_lru(newpage, bmapping,
+					    netpage->index, cachefiles_gfp);
 		if (ret == 0)
 			goto installed_new_backing_page;
 		if (ret != -EEXIST)
 			goto nomem_page;
 	}
 
-	/* we've installed a new backing page, so now we need to add it
-	 * to the LRU list and start it reading */
+	/* we've installed a new backing page, so now we need to start
+	 * it reading */
 installed_new_backing_page:
 	_debug("- new %p", newpage);
 
 	backpage = newpage;
 	newpage = NULL;
 
-	lru_cache_add_file(backpage);
-
 read_backing_page:
 	ret = bmapping->a_ops->readpage(NULL, backpage);
 	if (ret < 0)
@@ -510,24 +508,23 @@ static int cachefiles_read_backing_file(struct cachefiles_object *object,
 					goto nomem;
 			}
 
-			ret = add_to_page_cache(newpage, bmapping,
-						netpage->index, cachefiles_gfp);
+			ret = add_to_page_cache_lru(newpage, bmapping,
+						    netpage->index,
+						    cachefiles_gfp);
 			if (ret == 0)
 				goto installed_new_backing_page;
 			if (ret != -EEXIST)
 				goto nomem;
 		}
 
-		/* we've installed a new backing page, so now we need to add it
-		 * to the LRU list and start it reading */
+		/* we've installed a new backing page, so now we need
+		 * to start it reading */
 	installed_new_backing_page:
 		_debug("- new %p", newpage);
 
 		backpage = newpage;
 		newpage = NULL;
 
-		lru_cache_add_file(backpage);
-
 	reread_backing_page:
 		ret = bmapping->a_ops->readpage(NULL, backpage);
 		if (ret < 0)
@@ -538,8 +535,8 @@ static int cachefiles_read_backing_file(struct cachefiles_object *object,
 	monitor_backing_page:
 		_debug("- monitor add");
 
-		ret = add_to_page_cache(netpage, op->mapping, netpage->index,
-					cachefiles_gfp);
+		ret = add_to_page_cache_lru(netpage, op->mapping,
+					    netpage->index, cachefiles_gfp);
 		if (ret < 0) {
 			if (ret == -EEXIST) {
 				page_cache_release(netpage);
@@ -549,8 +546,6 @@ static int cachefiles_read_backing_file(struct cachefiles_object *object,
 			goto nomem;
 		}
 
-		lru_cache_add_file(netpage);
-
 		/* install a monitor */
 		page_cache_get(netpage);
 		monitor->netfs_page = netpage;
@@ -613,8 +608,8 @@ static int cachefiles_read_backing_file(struct cachefiles_object *object,
 	backing_page_already_uptodate:
 		_debug("- uptodate");
 
-		ret = add_to_page_cache(netpage, op->mapping, netpage->index,
-					cachefiles_gfp);
+		ret = add_to_page_cache_lru(netpage, op->mapping,
+					    netpage->index, cachefiles_gfp);
 		if (ret < 0) {
 			if (ret == -EEXIST) {
 				page_cache_release(netpage);
@@ -631,8 +626,6 @@ static int cachefiles_read_backing_file(struct cachefiles_object *object,
 
 		fscache_mark_page_cached(op, netpage);
 
-		lru_cache_add_file(netpage);
-
 		/* the netpage is unlocked and marked up to date here */
 		fscache_end_io(op, netpage, 0);
 		page_cache_release(netpage);
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 900f7afa887f..ade4f3f47e80 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -291,7 +291,7 @@ cifs_destroy_inode(struct inode *inode)
 static void
 cifs_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 	cifs_fscache_release_inode_cookie(inode);
 }
@@ -1018,7 +1018,7 @@ cifs_init_once(void *inode)
 	init_rwsem(&cifsi->lock_sem);
 }
 
-static int
+static int __init
 cifs_init_inodecache(void)
 {
 	cifs_inode_cachep = kmem_cache_create("cifs_inode_cache",
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 87c4dd072cde..7a29f3291fe0 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -3123,6 +3123,7 @@ cifs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 
 static struct vm_operations_struct cifs_file_vm_ops = {
 	.fault = filemap_fault,
+	.map_pages = filemap_map_pages,
 	.page_mkwrite = cifs_page_mkwrite,
 	.remap_pages = generic_file_remap_pages,
 };
diff --git a/fs/coda/coda_int.h b/fs/coda/coda_int.h
index b7143cf783ac..381c993b1427 100644
--- a/fs/coda/coda_int.h
+++ b/fs/coda/coda_int.h
@@ -10,7 +10,7 @@ extern int coda_hard;
 extern int coda_fake_statfs;
 
 void coda_destroy_inodecache(void);
-int coda_init_inodecache(void);
+int __init coda_init_inodecache(void);
 int coda_fsync(struct file *coda_file, loff_t start, loff_t end, int datasync);
 void coda_sysctl_init(void);
 void coda_sysctl_clean(void);
diff --git a/fs/coda/inode.c b/fs/coda/inode.c
index 3f48000ef1a5..d9c7751f10ac 100644
--- a/fs/coda/inode.c
+++ b/fs/coda/inode.c
@@ -73,7 +73,7 @@ static void init_once(void *foo)
 	inode_init_once(&ei->vfs_inode);
 }
 
-int coda_init_inodecache(void)
+int __init coda_init_inodecache(void)
 {
 	coda_inode_cachep = kmem_cache_create("coda_inode_cache",
 				sizeof(struct coda_inode_info),
@@ -251,7 +251,7 @@ static void coda_put_super(struct super_block *sb)
 
 static void coda_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 	coda_cache_clear_inode(inode);
 }
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index a2759112563c..ddcfe590b8a8 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -195,8 +195,7 @@ static void *cramfs_read(struct super_block *sb, unsigned int offset, unsigned i
 		struct page *page = NULL;
 
 		if (blocknr + i < devsize) {
-			page = read_mapping_page_async(mapping, blocknr + i,
-									NULL);
+			page = read_mapping_page(mapping, blocknr + i, NULL);
 			/* synchronous error? */
 			if (IS_ERR(page))
 				page = NULL;
diff --git a/fs/direct-io.c b/fs/direct-io.c
index a701752dd750..31ba0935e32e 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -664,7 +664,6 @@ static inline int dio_new_bio(struct dio *dio, struct dio_submit *sdio,
 		goto out;
 	sector = start_sector << (sdio->blkbits - 9);
 	nr_pages = min(sdio->pages_in_io, bio_get_nr_vecs(map_bh->b_bdev));
-	nr_pages = min(nr_pages, BIO_MAX_PAGES);
 	BUG_ON(nr_pages <= 0);
 	dio_bio_alloc(dio, sdio, map_bh->b_bdev, sector, nr_pages);
 	sdio->boundary = 0;
diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index 9fd702f5bfb2..9280202e488c 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -59,10 +59,22 @@ int drop_caches_sysctl_handler(ctl_table *table, int write,
 	if (ret)
 		return ret;
 	if (write) {
-		if (sysctl_drop_caches & 1)
+		static int stfu;
+
+		if (sysctl_drop_caches & 1) {
 			iterate_supers(drop_pagecache_sb, NULL);
-		if (sysctl_drop_caches & 2)
+			count_vm_event(DROP_PAGECACHE);
+		}
+		if (sysctl_drop_caches & 2) {
 			drop_slab();
+			count_vm_event(DROP_SLAB);
+		}
+		if (!stfu) {
+			pr_info("%s (%d): drop_caches: %d\n",
+				current->comm, task_pid_nr(current),
+				sysctl_drop_caches);
+		}
+		stfu |= sysctl_drop_caches & 4;
 	}
 	return 0;
 }
diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c
index e879cf8ff0b1..afa1b81c3418 100644
--- a/fs/ecryptfs/super.c
+++ b/fs/ecryptfs/super.c
@@ -132,7 +132,7 @@ static int ecryptfs_statfs(struct dentry *dentry, struct kstatfs *buf)
  */
 static void ecryptfs_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 	iput(ecryptfs_inode_to_lower(inode));
 }
diff --git a/fs/efs/super.c b/fs/efs/super.c
index 103bbd820b87..3befcc9f5d63 100644
--- a/fs/efs/super.c
+++ b/fs/efs/super.c
@@ -91,7 +91,7 @@ static void init_once(void *foo)
 	inode_init_once(&ei->vfs_inode);
 }
 
-static int init_inodecache(void)
+static int __init init_inodecache(void)
 {
 	efs_inode_cachep = kmem_cache_create("efs_inode_cache",
 				sizeof(struct efs_inode_info),
diff --git a/fs/exec.c b/fs/exec.c
index 4f59402fdda5..b60ccf969a8b 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -26,6 +26,7 @@
 #include <linux/file.h>
 #include <linux/fdtable.h>
 #include <linux/mm.h>
+#include <linux/vmacache.h>
 #include <linux/stat.h>
 #include <linux/fcntl.h>
 #include <linux/swap.h>
@@ -97,6 +98,7 @@ static inline void put_binfmt(struct linux_binfmt * fmt)
 	module_put(fmt->module);
 }
 
+#ifdef CONFIG_USELIB
 /*
  * Note that a shared library must be both readable and executable due to
  * security reasons.
@@ -156,6 +158,7 @@ exit:
 out:
   	return error;
 }
+#endif /* #ifdef CONFIG_USELIB */
 
 #ifdef CONFIG_MMU
 /*
@@ -820,7 +823,7 @@ EXPORT_SYMBOL(read_code);
 static int exec_mmap(struct mm_struct *mm)
 {
 	struct task_struct *tsk;
-	struct mm_struct * old_mm, *active_mm;
+	struct mm_struct *old_mm, *active_mm;
 
 	/* Notify parent that we're no longer interested in the old VM */
 	tsk = current;
@@ -846,6 +849,8 @@ static int exec_mmap(struct mm_struct *mm)
 	tsk->mm = mm;
 	tsk->active_mm = mm;
 	activate_mm(active_mm, mm);
+	tsk->mm->vmacache_seqnum = 0;
+	vmacache_flush(tsk);
 	task_unlock(tsk);
 	if (old_mm) {
 		up_read(&old_mm->mmap_sem);
diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c
index ee4317faccb1..d1c244d67667 100644
--- a/fs/exofs/inode.c
+++ b/fs/exofs/inode.c
@@ -1486,7 +1486,7 @@ void exofs_evict_inode(struct inode *inode)
 	struct ore_io_state *ios;
 	int ret;
 
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 
 	/* TODO: should do better here */
 	if (inode->i_nlink || is_bad_inode(inode))
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 94ed36849b71..b1d2a4675d42 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -78,7 +78,7 @@ void ext2_evict_inode(struct inode * inode)
 		dquot_drop(inode);
 	}
 
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 
 	if (want_delete) {
 		sb_start_intwrite(inode->i_sb);
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 77042a2e017c..f5157d0d1b43 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -228,7 +228,7 @@ void ext3_evict_inode (struct inode *inode)
 		log_wait_commit(journal, commit_tid);
 		filemap_write_and_wait(&inode->i_data);
 	}
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 
 	ext3_discard_reservation(inode);
 	rsv = ei->i_block_alloc_info;
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 1a5073959f32..4e508fc83dcf 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -153,7 +153,7 @@ ext4_file_dio_write(struct kiocb *iocb, const struct iovec *iov,
 		ssize_t err;
 
 		err = generic_write_sync(file, iocb->ki_pos - ret, ret);
-		if (err < 0 && ret > 0)
+		if (err < 0)
 			ret = err;
 	}
 	blk_finish_plug(&plug);
@@ -200,6 +200,7 @@ ext4_file_write(struct kiocb *iocb, const struct iovec *iov,
 
 static const struct vm_operations_struct ext4_file_vm_ops = {
 	.fault		= filemap_fault,
+	.map_pages	= filemap_map_pages,
 	.page_mkwrite   = ext4_page_mkwrite,
 	.remap_pages	= generic_file_remap_pages,
 };
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 4c67172cfc69..5b0d2c7d5408 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -215,7 +215,7 @@ void ext4_evict_inode(struct inode *inode)
 			jbd2_complete_transaction(journal, commit_tid);
 			filemap_write_and_wait(&inode->i_data);
 		}
-		truncate_inode_pages(&inode->i_data, 0);
+		truncate_inode_pages_final(&inode->i_data);
 
 		WARN_ON(atomic_read(&EXT4_I(inode)->i_ioend_count));
 		goto no_delete;
@@ -226,7 +226,7 @@ void ext4_evict_inode(struct inode *inode)
 
 	if (ext4_should_order_data(inode))
 		ext4_begin_ordered_truncate(inode, 0);
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 
 	WARN_ON(atomic_read(&EXT4_I(inode)->i_ioend_count));
 	if (is_bad_inode(inode))
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 6ba26680c468..6f97fabfc220 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -84,6 +84,7 @@ out:
 
 static const struct vm_operations_struct f2fs_file_vm_ops = {
 	.fault		= filemap_fault,
+	.map_pages	= filemap_map_pages,
 	.page_mkwrite	= f2fs_vm_page_mkwrite,
 	.remap_pages	= generic_file_remap_pages,
 };
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 0d8e4a2302b7..ee829d360468 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -267,7 +267,7 @@ void f2fs_evict_inode(struct inode *inode)
 	struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
 
 	trace_f2fs_evict_inode(inode);
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 
 	if (inode->i_ino == F2FS_NODE_INO(sbi) ||
 			inode->i_ino == F2FS_META_INO(sbi))
diff --git a/fs/fat/cache.c b/fs/fat/cache.c
index 91ad9e1c9441..e26bc9a22ac9 100644
--- a/fs/fat/cache.c
+++ b/fs/fat/cache.c
@@ -303,6 +303,31 @@ static int fat_bmap_cluster(struct inode *inode, int cluster)
 	return dclus;
 }
 
+static int fat_get_mapped_cluster(struct inode *inode, sector_t sector,
+				  sector_t last_block,
+				  unsigned long *mapped_blocks, sector_t *bmap)
+{
+	struct super_block *sb = inode->i_sb;
+	struct msdos_sb_info *sbi = MSDOS_SB(sb);
+	int cluster, offset;
+
+	cluster = sector >> (sbi->cluster_bits - sb->s_blocksize_bits);
+	offset  = sector & (sbi->sec_per_clus - 1);
+	cluster = fat_bmap_cluster(inode, cluster);
+
+	if (cluster < 0)
+		return cluster;
+
+	else if (cluster) {
+		*bmap = fat_clus_to_blknr(sbi, cluster) + offset;
+		*mapped_blocks = sbi->sec_per_clus - offset;
+		if (*mapped_blocks > last_block - sector)
+			*mapped_blocks = last_block - sector;
+	}
+
+	return 0;
+}
+
 int fat_bmap(struct inode *inode, sector_t sector, sector_t *phys,
 	     unsigned long *mapped_blocks, int create)
 {
@@ -311,7 +336,6 @@ int fat_bmap(struct inode *inode, sector_t sector, sector_t *phys,
 	const unsigned long blocksize = sb->s_blocksize;
 	const unsigned char blocksize_bits = sb->s_blocksize_bits;
 	sector_t last_block;
-	int cluster, offset;
 
 	*phys = 0;
 	*mapped_blocks = 0;
@@ -329,25 +353,39 @@ int fat_bmap(struct inode *inode, sector_t sector, sector_t *phys,
 			return 0;
 
 		/*
-		 * ->mmu_private can access on only allocation path.
-		 * (caller must hold ->i_mutex)
+		 * Both ->mmu_private and ->i_disksize can access
+		 * on only allocation path. (caller must hold ->i_mutex)
 		 */
-		last_block = (MSDOS_I(inode)->mmu_private + (blocksize - 1))
+		last_block = (MSDOS_I(inode)->i_disksize + (blocksize - 1))
 			>> blocksize_bits;
 		if (sector >= last_block)
 			return 0;
 	}
 
-	cluster = sector >> (sbi->cluster_bits - sb->s_blocksize_bits);
-	offset  = sector & (sbi->sec_per_clus - 1);
-	cluster = fat_bmap_cluster(inode, cluster);
-	if (cluster < 0)
-		return cluster;
-	else if (cluster) {
-		*phys = fat_clus_to_blknr(sbi, cluster) + offset;
-		*mapped_blocks = sbi->sec_per_clus - offset;
-		if (*mapped_blocks > last_block - sector)
-			*mapped_blocks = last_block - sector;
-	}
-	return 0;
+	return fat_get_mapped_cluster(inode, sector, last_block, mapped_blocks,
+				      phys);
+}
+
+int fat_bmap2(struct inode *inode, sector_t sector,
+	      unsigned long *mapped_blocks, struct buffer_head *bh_result,
+	      int create, sector_t *bmap)
+{
+	struct super_block *sb = inode->i_sb;
+	sector_t last_block;
+	const unsigned long blocksize = sb->s_blocksize;
+	const unsigned char blocksize_bits = sb->s_blocksize_bits;
+
+	BUG_ON(create != 0);
+
+	*bmap = 0;
+	*mapped_blocks = 0;
+
+	last_block = (MSDOS_I(inode)->i_disksize + (blocksize - 1))
+		>> blocksize_bits;
+
+	if (sector >= last_block)
+		return 0;
+
+	return fat_get_mapped_cluster(inode, sector, last_block, mapped_blocks,
+				      bmap);
 }
diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index 7c31f4bc74a9..7270bdbca9c3 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -118,7 +118,8 @@ struct msdos_inode_info {
 	unsigned int cache_valid_id;
 
 	/* NOTE: mmu_private is 64bits, so must hold ->i_mutex to access */
-	loff_t mmu_private;	/* physically allocated size */
+	loff_t mmu_private;	/* physically allocated size (initialized) */
+	loff_t i_disksize;	/* physically allocated size (uninitialized) */
 
 	int i_start;		/* first cluster or 0 */
 	int i_logstart;		/* logical first cluster */
@@ -289,6 +290,9 @@ extern int fat_get_cluster(struct inode *inode, int cluster,
 			   int *fclus, int *dclus);
 extern int fat_bmap(struct inode *inode, sector_t sector, sector_t *phys,
 		    unsigned long *mapped_blocks, int create);
+extern int fat_bmap2(struct inode *inode, sector_t sector,
+		     unsigned long *mapped_blocks,
+		     struct buffer_head *bh_result, int create, sector_t *bmap);
 
 /* fat/dir.c */
 extern const struct file_operations fat_dir_operations;
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 9b104f543056..e33c8a2cb99c 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -17,8 +17,12 @@
 #include <linux/blkdev.h>
 #include <linux/fsnotify.h>
 #include <linux/security.h>
+#include <linux/falloc.h>
 #include "fat.h"
 
+static long fat_fallocate(struct file *file, int mode,
+			  loff_t offset, loff_t len);
+
 static int fat_ioctl_get_attributes(struct inode *inode, u32 __user *user_attr)
 {
 	u32 attr;
@@ -182,6 +186,7 @@ const struct file_operations fat_file_operations = {
 #endif
 	.fsync		= fat_file_fsync,
 	.splice_read	= generic_file_splice_read,
+	.fallocate	= fat_fallocate,
 };
 
 static int fat_cont_expand(struct inode *inode, loff_t size)
@@ -220,6 +225,75 @@ out:
 	return err;
 }
 
+/*
+ * Preallocate space for a file. This implements fat's fallocate file
+ * operation, which gets called from sys_fallocate system call. User
+ * space requests len bytes at offset. If FALLOC_FL_KEEP_SIZE is set
+ * we just allocate clusters without zeroing them out. Otherwise we
+ * allocate and zero out clusters via an expanding truncate.
+ */
+static long fat_fallocate(struct file *file, int mode,
+			  loff_t offset, loff_t len)
+{
+	int cluster;
+	int nr_cluster; /* Number of clusters to be allocated */
+	loff_t mm_bytes; /* Number of bytes to be allocated for file */
+	struct inode *inode = file->f_mapping->host;
+	struct super_block *sb = inode->i_sb;
+	struct msdos_sb_info *sbi = MSDOS_SB(sb);
+	int err = 0;
+
+	/* No support for hole punch or other fallocate flags. */
+	if (mode & ~FALLOC_FL_KEEP_SIZE)
+		return -EOPNOTSUPP;
+
+	/* No support for dir */
+	if (!S_ISREG(inode->i_mode))
+		return -EOPNOTSUPP;
+
+	mutex_lock(&inode->i_mutex);
+	if ((offset + len) <= MSDOS_I(inode)->i_disksize)
+		goto error;
+
+	err = inode_newsize_ok(inode, (len + offset));
+	if (err)
+		goto error;
+
+	if (mode & FALLOC_FL_KEEP_SIZE) {
+		/* First compute the number of clusters to be allocated */
+		mm_bytes = offset + len - round_up(MSDOS_I(inode)->i_disksize,
+			sbi->cluster_size);
+		nr_cluster = (mm_bytes + (sbi->cluster_size - 1)) >>
+			sbi->cluster_bits;
+
+		/* Start the allocation.We are not zeroing out the clusters */
+		while (nr_cluster-- > 0) {
+			err = fat_alloc_clusters(inode, &cluster, 1);
+			if (err) {
+				fat_msg(sb, KERN_ERR,
+					"fat_fallocate(): fat_alloc_clusters() error");
+				goto error;
+			}
+			err = fat_chain_add(inode, cluster, 1);
+			if (err) {
+				fat_free_clusters(inode, cluster);
+				goto error;
+			}
+			MSDOS_I(inode)->i_disksize += sbi->cluster_size;
+		}
+	} else {
+		/* This is just an expanding truncate */
+		err = fat_cont_expand(inode, (offset + len));
+		if (err)
+			fat_msg(sb, KERN_ERR,
+				"fat_fallocate(): fat_cont_expand() error");
+	}
+
+error:
+	mutex_unlock(&inode->i_mutex);
+	return err;
+}
+
 /* Free all clusters after the skip'th cluster. */
 static int fat_free(struct inode *inode, int skip)
 {
@@ -300,8 +374,10 @@ void fat_truncate_blocks(struct inode *inode, loff_t offset)
 	 * This protects against truncating a file bigger than it was then
 	 * trying to write into the hole.
 	 */
-	if (MSDOS_I(inode)->mmu_private > offset)
+	if (MSDOS_I(inode)->i_disksize > offset) {
 		MSDOS_I(inode)->mmu_private = offset;
+		MSDOS_I(inode)->i_disksize = offset;
+	}
 
 	nr_clusters = (offset + (cluster_size - 1)) >> sbi->cluster_bits;
 
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 343e477c6dcb..992e8cb1132c 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -54,6 +54,25 @@ static int fat_add_cluster(struct inode *inode)
 	return err;
 }
 
+static void check_fallocated_region(struct inode *inode, sector_t iblock,
+		unsigned long *max_blocks, struct buffer_head *bh_result)
+{
+	struct super_block *sb = inode->i_sb;
+	sector_t last_block, disk_block;
+	const unsigned long blocksize = sb->s_blocksize;
+	const unsigned char blocksize_bits = sb->s_blocksize_bits;
+
+	last_block = (MSDOS_I(inode)->mmu_private + (blocksize - 1))
+		>> blocksize_bits;
+	disk_block = (MSDOS_I(inode)->i_disksize + (blocksize - 1))
+		>> blocksize_bits;
+	if (iblock >= last_block && iblock <= disk_block) {
+		MSDOS_I(inode)->mmu_private += *max_blocks << blocksize_bits;
+		set_buffer_new(bh_result);
+	}
+
+}
+
 static inline int __fat_get_block(struct inode *inode, sector_t iblock,
 				  unsigned long *max_blocks,
 				  struct buffer_head *bh_result, int create)
@@ -68,8 +87,11 @@ static inline int __fat_get_block(struct inode *inode, sector_t iblock,
 	if (err)
 		return err;
 	if (phys) {
-		map_bh(bh_result, sb, phys);
 		*max_blocks = min(mapped_blocks, *max_blocks);
+		if (create)
+			check_fallocated_region(inode, iblock, max_blocks,
+				bh_result);
+		map_bh(bh_result, sb, phys);
 		return 0;
 	}
 	if (!create)
@@ -93,6 +115,7 @@ static inline int __fat_get_block(struct inode *inode, sector_t iblock,
 
 	*max_blocks = min(mapped_blocks, *max_blocks);
 	MSDOS_I(inode)->mmu_private += *max_blocks << sb->s_blocksize_bits;
+	MSDOS_I(inode)->i_disksize = MSDOS_I(inode)->mmu_private;
 
 	err = fat_bmap(inode, iblock, &phys, &mapped_blocks, create);
 	if (err)
@@ -206,6 +229,13 @@ static ssize_t fat_direct_IO(int rw, struct kiocb *iocb,
 		loff_t size = offset + iov_length(iov, nr_segs);
 		if (MSDOS_I(inode)->mmu_private < size)
 			return 0;
+
+		/*
+		 * In case of writing in fallocated region, return 0 and
+		 * fallback to buffered write.
+		 */
+		if (MSDOS_I(inode)->i_disksize > MSDOS_I(inode)->mmu_private)
+			return 0;
 	}
 
 	/*
@@ -220,13 +250,36 @@ static ssize_t fat_direct_IO(int rw, struct kiocb *iocb,
 	return ret;
 }
 
+static int fat_get_block_bmap(struct inode *inode, sector_t iblock,
+		struct buffer_head *bh_result, int create)
+{
+	struct super_block *sb = inode->i_sb;
+	unsigned long max_blocks = bh_result->b_size >> inode->i_blkbits;
+	int err;
+	sector_t bmap;
+	unsigned long mapped_blocks;
+
+	err = fat_bmap2(inode, iblock, &mapped_blocks, bh_result, create,
+			&bmap);
+	if (err)
+		return err;
+
+	if (bmap) {
+		map_bh(bh_result, sb, bmap);
+		max_blocks = min(mapped_blocks, max_blocks);
+	}
+
+	bh_result->b_size = max_blocks << sb->s_blocksize_bits;
+	return 0;
+}
+
 static sector_t _fat_bmap(struct address_space *mapping, sector_t block)
 {
 	sector_t blocknr;
 
 	/* fat_get_cluster() assumes the requested blocknr isn't truncated. */
 	down_read(&MSDOS_I(mapping->host)->truncate_lock);
-	blocknr = generic_block_bmap(mapping, block, fat_get_block);
+	blocknr = generic_block_bmap(mapping, block, fat_get_block_bmap);
 	up_read(&MSDOS_I(mapping->host)->truncate_lock);
 
 	return blocknr;
@@ -407,7 +460,6 @@ int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de)
 		error = fat_calc_dir_size(inode);
 		if (error < 0)
 			return error;
-		MSDOS_I(inode)->mmu_private = inode->i_size;
 
 		set_nlink(inode, fat_subdirs(inode));
 	} else { /* not a directory */
@@ -422,8 +474,12 @@ int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de)
 		inode->i_op = &fat_file_inode_operations;
 		inode->i_fop = &fat_file_operations;
 		inode->i_mapping->a_ops = &fat_aops;
-		MSDOS_I(inode)->mmu_private = inode->i_size;
 	}
+
+	MSDOS_I(inode)->mmu_private = inode->i_size;
+	MSDOS_I(inode)->i_disksize = round_up(inode->i_size,
+		inode->i_sb->s_blocksize);
+
 	if (de->attr & ATTR_SYS) {
 		if (sbi->options.sys_immutable)
 			inode->i_flags |= S_IMMUTABLE;
@@ -488,12 +544,34 @@ out:
 
 EXPORT_SYMBOL_GPL(fat_build_inode);
 
+static int __fat_write_inode(struct inode *inode, int wait);
 static void fat_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	if (!inode->i_nlink) {
 		inode->i_size = 0;
 		fat_truncate_blocks(inode, 0);
+	} else {
+		/* Release unwritten fallocated blocks on inode eviction. */
+		if (MSDOS_I(inode)->i_disksize >
+		    round_up(MSDOS_I(inode)->mmu_private,
+				inode->i_sb->s_blocksize)) {
+			int err;
+			fat_truncate_blocks(inode, MSDOS_I(inode)->mmu_private);
+			/* Fallocate results in updating the i_start/iogstart
+			 * for the zero byte file. So, make it return to
+			 * original state during evict and commit it to avoid
+			 * any corruption on the next access to the cluster
+			 * chain for the file.
+			 */
+			err = __fat_write_inode(inode, inode_needs_sync(inode));
+			if (err) {
+				fat_msg(inode->i_sb, KERN_WARNING, "Failed to "
+				"update on disk inode for unused fallocated "
+				"blocks, inode could be corrupted. Please run "
+				"fsck");
+			}
+		}
 	}
 	invalidate_inode_buffers(inode);
 	clear_inode(inode);
@@ -1225,6 +1303,7 @@ static int fat_read_root(struct inode *inode)
 			   & ~((loff_t)sbi->cluster_size - 1)) >> 9;
 	MSDOS_I(inode)->i_logstart = 0;
 	MSDOS_I(inode)->mmu_private = inode->i_size;
+	MSDOS_I(inode)->i_disksize = inode->i_size;
 
 	fat_save_attrs(inode, ATTR_DIR);
 	inode->i_mtime.tv_sec = inode->i_atime.tv_sec = inode->i_ctime.tv_sec = 0;
diff --git a/fs/filesystems.c b/fs/filesystems.c
index 92567d95ba6a..5797d45a78cb 100644
--- a/fs/filesystems.c
+++ b/fs/filesystems.c
@@ -121,6 +121,7 @@ int unregister_filesystem(struct file_system_type * fs)
 
 EXPORT_SYMBOL(unregister_filesystem);
 
+#ifdef CONFIG_SYSFS_SYSCALL
 static int fs_index(const char __user * __name)
 {
 	struct file_system_type * tmp;
@@ -199,6 +200,7 @@ SYSCALL_DEFINE3(sysfs, int, option, unsigned long, arg1, unsigned long, arg2)
 	}
 	return retval;
 }
+#endif
 
 int __init get_filesystem_list(char *buf)
 {
diff --git a/fs/freevxfs/vxfs_inode.c b/fs/freevxfs/vxfs_inode.c
index f47df72cef17..363e3ae25f6b 100644
--- a/fs/freevxfs/vxfs_inode.c
+++ b/fs/freevxfs/vxfs_inode.c
@@ -354,7 +354,7 @@ static void vxfs_i_callback(struct rcu_head *head)
 void
 vxfs_evict_inode(struct inode *ip)
 {
-	truncate_inode_pages(&ip->i_data, 0);
+	truncate_inode_pages_final(&ip->i_data);
 	clear_inode(ip);
 	call_rcu(&ip->i_rcu, vxfs_i_callback);
 }
diff --git a/fs/freevxfs/vxfs_lookup.c b/fs/freevxfs/vxfs_lookup.c
index 25d4099a4aea..99c7f0a37af4 100644
--- a/fs/freevxfs/vxfs_lookup.c
+++ b/fs/freevxfs/vxfs_lookup.c
@@ -192,7 +192,7 @@ vxfs_inode_by_name(struct inode *dip, struct dentry *dp)
  * vxfs_lookup - lookup pathname component
  * @dip:	dir in which we lookup
  * @dp:		dentry we lookup
- * @nd:		lookup nameidata
+ * @flags:	lookup flags
  *
  * Description:
  *   vxfs_lookup tries to lookup the pathname component described
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 648d5db14e2c..be568b7311d6 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -91,16 +91,29 @@ static inline struct inode *wb_inode(struct list_head *head)
 
 EXPORT_TRACEPOINT_SYMBOL_GPL(wbc_writepage);
 
+static void bdi_wakeup_thread(struct backing_dev_info *bdi)
+{
+	spin_lock_bh(&bdi->wb_lock);
+	if (test_bit(BDI_registered, &bdi->state))
+		mod_delayed_work(bdi_wq, &bdi->wb.dwork, 0);
+	spin_unlock_bh(&bdi->wb_lock);
+}
+
 static void bdi_queue_work(struct backing_dev_info *bdi,
 			   struct wb_writeback_work *work)
 {
 	trace_writeback_queue(bdi, work);
 
 	spin_lock_bh(&bdi->wb_lock);
+	if (!test_bit(BDI_registered, &bdi->state)) {
+		if (work->done)
+			complete(work->done);
+		goto out_unlock;
+	}
 	list_add_tail(&work->list, &bdi->work_list);
-	spin_unlock_bh(&bdi->wb_lock);
-
 	mod_delayed_work(bdi_wq, &bdi->wb.dwork, 0);
+out_unlock:
+	spin_unlock_bh(&bdi->wb_lock);
 }
 
 static void
@@ -116,7 +129,7 @@ __bdi_start_writeback(struct backing_dev_info *bdi, long nr_pages,
 	work = kzalloc(sizeof(*work), GFP_ATOMIC);
 	if (!work) {
 		trace_writeback_nowork(bdi);
-		mod_delayed_work(bdi_wq, &bdi->wb.dwork, 0);
+		bdi_wakeup_thread(bdi);
 		return;
 	}
 
@@ -163,7 +176,7 @@ void bdi_start_background_writeback(struct backing_dev_info *bdi)
 	 * writeback as soon as there is no other work to do.
 	 */
 	trace_writeback_wake_background(bdi);
-	mod_delayed_work(bdi_wq, &bdi->wb.dwork, 0);
+	bdi_wakeup_thread(bdi);
 }
 
 /*
@@ -1019,7 +1032,7 @@ void bdi_writeback_workfn(struct work_struct *work)
 	current->flags |= PF_SWAPWRITE;
 
 	if (likely(!current_is_workqueue_rescuer() ||
-		   list_empty(&bdi->bdi_list))) {
+		   !test_bit(BDI_registered, &bdi->state))) {
 		/*
 		 * The normal path.  Keep writing back @bdi until its
 		 * work_list is empty.  Note that this path is also taken
@@ -1041,10 +1054,10 @@ void bdi_writeback_workfn(struct work_struct *work)
 		trace_writeback_pages_written(pages_written);
 	}
 
-	if (!list_empty(&bdi->work_list) ||
-	    (wb_has_dirty_io(wb) && dirty_writeback_interval))
-		queue_delayed_work(bdi_wq, &wb->dwork,
-			msecs_to_jiffies(dirty_writeback_interval * 10));
+	if (!list_empty(&bdi->work_list))
+		mod_delayed_work(bdi_wq, &wb->dwork, 0);
+	else if (wb_has_dirty_io(wb) && dirty_writeback_interval)
+		bdi_wakeup_thread_delayed(bdi);
 
 	current->flags &= ~PF_SWAPWRITE;
 }
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 65df7d8be4f5..48992cac714b 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -2117,6 +2117,7 @@ static int fuse_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 static const struct vm_operations_struct fuse_file_vm_ops = {
 	.close		= fuse_vma_close,
 	.fault		= filemap_fault,
+	.map_pages	= filemap_map_pages,
 	.page_mkwrite	= fuse_page_mkwrite,
 	.remap_pages	= generic_file_remap_pages,
 };
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index a4233c858fb4..8d611696fcad 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -123,7 +123,7 @@ static void fuse_destroy_inode(struct inode *inode)
 
 static void fuse_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 	if (inode->i_sb->s_flags & MS_ACTIVE) {
 		struct fuse_conn *fc = get_fuse_conn(inode);
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 6c794085abac..80d67253623c 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -494,6 +494,7 @@ out:
 
 static const struct vm_operations_struct gfs2_vm_ops = {
 	.fault = filemap_fault,
+	.map_pages = filemap_map_pages,
 	.page_mkwrite = gfs2_page_mkwrite,
 	.remap_pages = generic_file_remap_pages,
 };
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 47a67367ba1a..de8afad89e51 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1557,7 +1557,7 @@ out_unlock:
 		fs_warn(sdp, "gfs2_evict_inode: %d\n", error);
 out:
 	/* Case 3 starts here */
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	gfs2_rs_delete(ip, NULL);
 	gfs2_ordered_del_inode(ip);
 	clear_inode(inode);
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index 380ab31b5e0f..9e2fecd62f62 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -547,7 +547,7 @@ out:
 
 void hfs_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 	if (HFS_IS_RSRC(inode) && HFS_I(inode)->rsrc_inode) {
 		HFS_I(HFS_I(inode)->rsrc_inode)->rsrc_inode = NULL;
diff --git a/fs/hfsplus/attributes.c b/fs/hfsplus/attributes.c
index 0f47890299c4..caf89a7be0a1 100644
--- a/fs/hfsplus/attributes.c
+++ b/fs/hfsplus/attributes.c
@@ -11,7 +11,7 @@
 
 static struct kmem_cache *hfsplus_attr_tree_cachep;
 
-int hfsplus_create_attr_tree_cache(void)
+int __init hfsplus_create_attr_tree_cache(void)
 {
 	if (hfsplus_attr_tree_cachep)
 		return -EEXIST;
diff --git a/fs/hfsplus/catalog.c b/fs/hfsplus/catalog.c
index 32602c667b4a..7892e6fddb66 100644
--- a/fs/hfsplus/catalog.c
+++ b/fs/hfsplus/catalog.c
@@ -38,21 +38,30 @@ int hfsplus_cat_bin_cmp_key(const hfsplus_btree_key *k1,
 	return hfsplus_strcmp(&k1->cat.name, &k2->cat.name);
 }
 
-void hfsplus_cat_build_key(struct super_block *sb, hfsplus_btree_key *key,
-			   u32 parent, struct qstr *str)
+/* Generates key for catalog file/folders record. */
+int hfsplus_cat_build_key(struct super_block *sb,
+		hfsplus_btree_key *key, u32 parent, struct qstr *str)
 {
-	int len;
+	int len, err;
 
 	key->cat.parent = cpu_to_be32(parent);
-	if (str) {
-		hfsplus_asc2uni(sb, &key->cat.name, HFSPLUS_MAX_STRLEN,
-					str->name, str->len);
-		len = be16_to_cpu(key->cat.name.length);
-	} else {
-		key->cat.name.length = 0;
-		len = 0;
-	}
+	err = hfsplus_asc2uni(sb, &key->cat.name, HFSPLUS_MAX_STRLEN,
+			str->name, str->len);
+	if (unlikely(err < 0))
+		return err;
+
+	len = be16_to_cpu(key->cat.name.length);
 	key->key_len = cpu_to_be16(6 + 2 * len);
+	return 0;
+}
+
+/* Generates key for catalog thread record. */
+void hfsplus_cat_build_key_with_cnid(struct super_block *sb,
+			hfsplus_btree_key *key, u32 parent)
+{
+	key->cat.parent = cpu_to_be32(parent);
+	key->cat.name.length = 0;
+	key->key_len = cpu_to_be16(6);
 }
 
 static void hfsplus_cat_build_key_uni(hfsplus_btree_key *key, u32 parent,
@@ -167,11 +176,16 @@ static int hfsplus_fill_cat_thread(struct super_block *sb,
 				   hfsplus_cat_entry *entry, int type,
 				   u32 parentid, struct qstr *str)
 {
+	int err;
+
 	entry->type = cpu_to_be16(type);
 	entry->thread.reserved = 0;
 	entry->thread.parentID = cpu_to_be32(parentid);
-	hfsplus_asc2uni(sb, &entry->thread.nodeName, HFSPLUS_MAX_STRLEN,
+	err = hfsplus_asc2uni(sb, &entry->thread.nodeName, HFSPLUS_MAX_STRLEN,
 				str->name, str->len);
+	if (unlikely(err < 0))
+		return err;
+
 	return 10 + be16_to_cpu(entry->thread.nodeName.length) * 2;
 }
 
@@ -183,7 +197,7 @@ int hfsplus_find_cat(struct super_block *sb, u32 cnid,
 	int err;
 	u16 type;
 
-	hfsplus_cat_build_key(sb, fd->search_key, cnid, NULL);
+	hfsplus_cat_build_key_with_cnid(sb, fd->search_key, cnid);
 	err = hfs_brec_read(fd, &tmp, sizeof(hfsplus_cat_entry));
 	if (err)
 		return err;
@@ -250,11 +264,16 @@ int hfsplus_create_cat(u32 cnid, struct inode *dir,
 	if (err)
 		return err;
 
-	hfsplus_cat_build_key(sb, fd.search_key, cnid, NULL);
+	hfsplus_cat_build_key_with_cnid(sb, fd.search_key, cnid);
 	entry_size = hfsplus_fill_cat_thread(sb, &entry,
 		S_ISDIR(inode->i_mode) ?
 			HFSPLUS_FOLDER_THREAD : HFSPLUS_FILE_THREAD,
 		dir->i_ino, str);
+	if (unlikely(entry_size < 0)) {
+		err = entry_size;
+		goto err2;
+	}
+
 	err = hfs_brec_find(&fd, hfs_find_rec_by_key);
 	if (err != -ENOENT) {
 		if (!err)
@@ -265,7 +284,10 @@ int hfsplus_create_cat(u32 cnid, struct inode *dir,
 	if (err)
 		goto err2;
 
-	hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, str);
+	err = hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, str);
+	if (unlikely(err))
+		goto err1;
+
 	entry_size = hfsplus_cat_build_record(&entry, cnid, inode);
 	err = hfs_brec_find(&fd, hfs_find_rec_by_key);
 	if (err != -ENOENT) {
@@ -288,7 +310,7 @@ int hfsplus_create_cat(u32 cnid, struct inode *dir,
 	return 0;
 
 err1:
-	hfsplus_cat_build_key(sb, fd.search_key, cnid, NULL);
+	hfsplus_cat_build_key_with_cnid(sb, fd.search_key, cnid);
 	if (!hfs_brec_find(&fd, hfs_find_rec_by_key))
 		hfs_brec_remove(&fd);
 err2:
@@ -313,7 +335,7 @@ int hfsplus_delete_cat(u32 cnid, struct inode *dir, struct qstr *str)
 	if (!str) {
 		int len;
 
-		hfsplus_cat_build_key(sb, fd.search_key, cnid, NULL);
+		hfsplus_cat_build_key_with_cnid(sb, fd.search_key, cnid);
 		err = hfs_brec_find(&fd, hfs_find_rec_by_key);
 		if (err)
 			goto out;
@@ -329,7 +351,9 @@ int hfsplus_delete_cat(u32 cnid, struct inode *dir, struct qstr *str)
 			off + 2, len);
 		fd.search_key->key_len = cpu_to_be16(6 + len);
 	} else
-		hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, str);
+		err = hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, str);
+		if (unlikely(err))
+			goto out;
 
 	err = hfs_brec_find(&fd, hfs_find_rec_by_key);
 	if (err)
@@ -360,7 +384,7 @@ int hfsplus_delete_cat(u32 cnid, struct inode *dir, struct qstr *str)
 	if (err)
 		goto out;
 
-	hfsplus_cat_build_key(sb, fd.search_key, cnid, NULL);
+	hfsplus_cat_build_key_with_cnid(sb, fd.search_key, cnid);
 	err = hfs_brec_find(&fd, hfs_find_rec_by_key);
 	if (err)
 		goto out;
@@ -405,7 +429,11 @@ int hfsplus_rename_cat(u32 cnid,
 	dst_fd = src_fd;
 
 	/* find the old dir entry and read the data */
-	hfsplus_cat_build_key(sb, src_fd.search_key, src_dir->i_ino, src_name);
+	err = hfsplus_cat_build_key(sb, src_fd.search_key,
+			src_dir->i_ino, src_name);
+	if (unlikely(err))
+		goto out;
+
 	err = hfs_brec_find(&src_fd, hfs_find_rec_by_key);
 	if (err)
 		goto out;
@@ -419,7 +447,11 @@ int hfsplus_rename_cat(u32 cnid,
 	type = be16_to_cpu(entry.type);
 
 	/* create new dir entry with the data from the old entry */
-	hfsplus_cat_build_key(sb, dst_fd.search_key, dst_dir->i_ino, dst_name);
+	err = hfsplus_cat_build_key(sb, dst_fd.search_key,
+			dst_dir->i_ino, dst_name);
+	if (unlikely(err))
+		goto out;
+
 	err = hfs_brec_find(&dst_fd, hfs_find_rec_by_key);
 	if (err != -ENOENT) {
 		if (!err)
@@ -436,7 +468,11 @@ int hfsplus_rename_cat(u32 cnid,
 	dst_dir->i_mtime = dst_dir->i_ctime = CURRENT_TIME_SEC;
 
 	/* finally remove the old entry */
-	hfsplus_cat_build_key(sb, src_fd.search_key, src_dir->i_ino, src_name);
+	err = hfsplus_cat_build_key(sb, src_fd.search_key,
+			src_dir->i_ino, src_name);
+	if (unlikely(err))
+		goto out;
+
 	err = hfs_brec_find(&src_fd, hfs_find_rec_by_key);
 	if (err)
 		goto out;
@@ -449,7 +485,7 @@ int hfsplus_rename_cat(u32 cnid,
 	src_dir->i_mtime = src_dir->i_ctime = CURRENT_TIME_SEC;
 
 	/* remove old thread entry */
-	hfsplus_cat_build_key(sb, src_fd.search_key, cnid, NULL);
+	hfsplus_cat_build_key_with_cnid(sb, src_fd.search_key, cnid);
 	err = hfs_brec_find(&src_fd, hfs_find_rec_by_key);
 	if (err)
 		goto out;
@@ -459,9 +495,14 @@ int hfsplus_rename_cat(u32 cnid,
 		goto out;
 
 	/* create new thread entry */
-	hfsplus_cat_build_key(sb, dst_fd.search_key, cnid, NULL);
+	hfsplus_cat_build_key_with_cnid(sb, dst_fd.search_key, cnid);
 	entry_size = hfsplus_fill_cat_thread(sb, &entry, type,
 		dst_dir->i_ino, dst_name);
+	if (unlikely(entry_size < 0)) {
+		err = entry_size;
+		goto out;
+	}
+
 	err = hfs_brec_find(&dst_fd, hfs_find_rec_by_key);
 	if (err != -ENOENT) {
 		if (!err)
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index bdec66522de3..b306b66ccaba 100644
--- a/fs/hfsplus/dir.c
+++ b/fs/hfsplus/dir.c
@@ -43,7 +43,10 @@ static struct dentry *hfsplus_lookup(struct inode *dir, struct dentry *dentry,
 	err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd);
 	if (err)
 		return ERR_PTR(err);
-	hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, &dentry->d_name);
+	err = hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino,
+			&dentry->d_name);
+	if (unlikely(err < 0))
+		goto fail;
 again:
 	err = hfs_brec_read(&fd, &entry, sizeof(entry));
 	if (err) {
@@ -96,9 +99,11 @@ again:
 					be32_to_cpu(entry.file.permissions.dev);
 				str.len = sprintf(name, "iNode%d", linkid);
 				str.name = name;
-				hfsplus_cat_build_key(sb, fd.search_key,
+				err = hfsplus_cat_build_key(sb, fd.search_key,
 					HFSPLUS_SB(sb)->hidden_dir->i_ino,
 					&str);
+				if (unlikely(err < 0))
+					goto fail;
 				goto again;
 			}
 		} else if (!dentry->d_fsdata)
@@ -139,7 +144,7 @@ static int hfsplus_readdir(struct file *file, struct dir_context *ctx)
 	err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd);
 	if (err)
 		return err;
-	hfsplus_cat_build_key(sb, fd.search_key, inode->i_ino, NULL);
+	hfsplus_cat_build_key_with_cnid(sb, fd.search_key, inode->i_ino);
 	err = hfs_brec_find(&fd, hfs_find_rec_by_key);
 	if (err)
 		goto out;
diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index fbb212fbb1ef..a7aafb35b624 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -227,10 +227,8 @@ int hfsplus_get_block(struct inode *inode, sector_t iblock,
 	u32 ablock, dblock, mask;
 	sector_t sector;
 	int was_dirty = 0;
-	int shift;
 
 	/* Convert inode block to disk allocation block */
-	shift = sbi->alloc_blksz_shift - sb->s_blocksize_bits;
 	ablock = iblock >> sbi->fs_shift;
 
 	if (iblock >= hip->fs_blocks) {
@@ -498,11 +496,13 @@ int hfsplus_file_extend(struct inode *inode)
 			goto insert_extent;
 	}
 out:
-	mutex_unlock(&hip->extents_lock);
 	if (!res) {
 		hip->alloc_blocks += len;
+		mutex_unlock(&hip->extents_lock);
 		hfsplus_mark_inode_dirty(inode, HFSPLUS_I_ALLOC_DIRTY);
+		return 0;
 	}
+	mutex_unlock(&hip->extents_lock);
 	return res;
 
 insert_extent:
@@ -556,11 +556,13 @@ void hfsplus_file_truncate(struct inode *inode)
 
 	blk_cnt = (inode->i_size + HFSPLUS_SB(sb)->alloc_blksz - 1) >>
 			HFSPLUS_SB(sb)->alloc_blksz_shift;
+
+	mutex_lock(&hip->extents_lock);
+
 	alloc_cnt = hip->alloc_blocks;
 	if (blk_cnt == alloc_cnt)
-		goto out;
+		goto out_unlock;
 
-	mutex_lock(&hip->extents_lock);
 	res = hfs_find_init(HFSPLUS_SB(sb)->ext_tree, &fd);
 	if (res) {
 		mutex_unlock(&hip->extents_lock);
@@ -592,10 +594,10 @@ void hfsplus_file_truncate(struct inode *inode)
 		hfs_brec_remove(&fd);
 	}
 	hfs_find_exit(&fd);
-	mutex_unlock(&hip->extents_lock);
 
 	hip->alloc_blocks = blk_cnt;
-out:
+out_unlock:
+	mutex_unlock(&hip->extents_lock);
 	hip->phys_size = inode->i_size;
 	hip->fs_blocks = (inode->i_size + sb->s_blocksize - 1) >>
 		sb->s_blocksize_bits;
diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h
index 62d571eb69ba..7f36453a788d 100644
--- a/fs/hfsplus/hfsplus_fs.h
+++ b/fs/hfsplus/hfsplus_fs.h
@@ -367,7 +367,7 @@ typedef int (*search_strategy_t)(struct hfs_bnode *,
  */
 
 /* attributes.c */
-int hfsplus_create_attr_tree_cache(void);
+int __init hfsplus_create_attr_tree_cache(void);
 void hfsplus_destroy_attr_tree_cache(void);
 hfsplus_attr_entry *hfsplus_alloc_attr_entry(void);
 void hfsplus_destroy_attr_entry(hfsplus_attr_entry *entry_p);
@@ -444,8 +444,10 @@ int hfsplus_cat_case_cmp_key(const hfsplus_btree_key *,
 		const hfsplus_btree_key *);
 int hfsplus_cat_bin_cmp_key(const hfsplus_btree_key *,
 		const hfsplus_btree_key *);
-void hfsplus_cat_build_key(struct super_block *sb,
+int hfsplus_cat_build_key(struct super_block *sb,
 		hfsplus_btree_key *, u32, struct qstr *);
+void hfsplus_cat_build_key_with_cnid(struct super_block *sb,
+		hfsplus_btree_key *, u32);
 int hfsplus_find_cat(struct super_block *, u32, struct hfs_find_data *);
 int hfsplus_create_cat(u32, struct inode *, struct qstr *, struct inode *);
 int hfsplus_delete_cat(u32, struct inode *, struct qstr *);
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index 8eb787b52c05..dcb474129d5c 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -161,7 +161,7 @@ static int hfsplus_write_inode(struct inode *inode,
 static void hfsplus_evict_inode(struct inode *inode)
 {
 	hfs_dbg(INODE, "hfsplus_evict_inode: %lu\n", inode->i_ino);
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 	if (HFSPLUS_IS_RSRC(inode)) {
 		HFSPLUS_I(HFSPLUS_I(inode)->rsrc_inode)->rsrc_inode = NULL;
@@ -514,7 +514,9 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
 	err = hfs_find_init(sbi->cat_tree, &fd);
 	if (err)
 		goto out_put_root;
-	hfsplus_cat_build_key(sb, fd.search_key, HFSPLUS_ROOT_CNID, &str);
+	err = hfsplus_cat_build_key(sb, fd.search_key, HFSPLUS_ROOT_CNID, &str);
+	if (unlikely(err < 0))
+		goto out_put_root;
 	if (!hfs_brec_read(&fd, &entry, sizeof(entry))) {
 		hfs_find_exit(&fd);
 		if (entry.type != cpu_to_be16(HFSPLUS_FOLDER))
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index fe649d325b1f..9c470fde9878 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -230,7 +230,7 @@ static struct inode *hostfs_alloc_inode(struct super_block *sb)
 
 static void hostfs_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 	if (HOSTFS_I(inode)->fd != -1) {
 		close_file(&HOSTFS_I(inode)->fd);
diff --git a/fs/hpfs/inode.c b/fs/hpfs/inode.c
index 9edeeb0ea97e..50a427313835 100644
--- a/fs/hpfs/inode.c
+++ b/fs/hpfs/inode.c
@@ -304,7 +304,7 @@ void hpfs_write_if_changed(struct inode *inode)
 
 void hpfs_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 	if (!inode->i_nlink) {
 		hpfs_lock(inode->i_sb);
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index d19b30ababf1..204027520937 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -366,7 +366,13 @@ static void truncate_hugepages(struct inode *inode, loff_t lstart)
 
 static void hugetlbfs_evict_inode(struct inode *inode)
 {
+	struct resv_map *resv_map;
+
 	truncate_hugepages(inode, 0);
+	resv_map = (struct resv_map *)inode->i_mapping->private_data;
+	/* root inode doesn't have the resv_map, so we should check it */
+	if (resv_map)
+		resv_map_release(&resv_map->refs);
 	clear_inode(inode);
 }
 
@@ -476,6 +482,11 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb,
 					umode_t mode, dev_t dev)
 {
 	struct inode *inode;
+	struct resv_map *resv_map;
+
+	resv_map = resv_map_alloc();
+	if (!resv_map)
+		return NULL;
 
 	inode = new_inode(sb);
 	if (inode) {
@@ -487,7 +498,7 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb,
 		inode->i_mapping->a_ops = &hugetlbfs_aops;
 		inode->i_mapping->backing_dev_info =&hugetlbfs_backing_dev_info;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
-		INIT_LIST_HEAD(&inode->i_mapping->private_list);
+		inode->i_mapping->private_data = resv_map;
 		info = HUGETLBFS_I(inode);
 		/*
 		 * The policy is initialized here even if we are creating a
@@ -517,7 +528,9 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb,
 			break;
 		}
 		lockdep_annotate_inode_mutex_key(inode);
-	}
+	} else
+		kref_put(&resv_map->refs, resv_map_release);
+
 	return inode;
 }
 
diff --git a/fs/inode.c b/fs/inode.c
index 26f95ceb6250..111fd5e34009 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -503,6 +503,7 @@ void clear_inode(struct inode *inode)
 	 */
 	spin_lock_irq(&inode->i_data.tree_lock);
 	BUG_ON(inode->i_data.nrpages);
+	BUG_ON(inode->i_data.nrshadows);
 	spin_unlock_irq(&inode->i_data.tree_lock);
 	BUG_ON(!list_empty(&inode->i_data.private_list));
 	BUG_ON(!(inode->i_state & I_FREEING));
@@ -548,8 +549,7 @@ static void evict(struct inode *inode)
 	if (op->evict_inode) {
 		op->evict_inode(inode);
 	} else {
-		if (inode->i_data.nrpages)
-			truncate_inode_pages(&inode->i_data, 0);
+		truncate_inode_pages_final(&inode->i_data);
 		clear_inode(inode);
 	}
 	if (S_ISBLK(inode->i_mode) && inode->i_bdev)
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index 560821bff038..601afd1afddf 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -242,7 +242,7 @@ void jffs2_evict_inode (struct inode *inode)
 
 	jffs2_dbg(1, "%s(): ino #%lu mode %o\n",
 		  __func__, inode->i_ino, inode->i_mode);
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 	jffs2_do_clear_inode(c, f);
 }
@@ -690,7 +690,7 @@ unsigned char *jffs2_gc_fetch_page(struct jffs2_sb_info *c,
 	struct inode *inode = OFNI_EDONI_2SFFJ(f);
 	struct page *pg;
 
-	pg = read_cache_page_async(inode->i_mapping, offset >> PAGE_CACHE_SHIFT,
+	pg = read_cache_page(inode->i_mapping, offset >> PAGE_CACHE_SHIFT,
 			     (void *)jffs2_do_readpage_unlock, inode);
 	if (IS_ERR(pg))
 		return (void *)pg;
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index f4aab719add5..6f8fe72c2a7a 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -154,7 +154,7 @@ void jfs_evict_inode(struct inode *inode)
 		dquot_initialize(inode);
 
 		if (JFS_IP(inode)->fileset == FILESYSTEM_I) {
-			truncate_inode_pages(&inode->i_data, 0);
+			truncate_inode_pages_final(&inode->i_data);
 
 			if (test_cflag(COMMIT_Freewmap, inode))
 				jfs_free_zero_link(inode);
@@ -168,7 +168,7 @@ void jfs_evict_inode(struct inode *inode)
 			dquot_free_inode(inode);
 		}
 	} else {
-		truncate_inode_pages(&inode->i_data, 0);
+		truncate_inode_pages_final(&inode->i_data);
 	}
 	clear_inode(inode);
 	dquot_drop(inode);
diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c
index e55126f85bd2..abb0f1f53d93 100644
--- a/fs/kernfs/inode.c
+++ b/fs/kernfs/inode.c
@@ -355,7 +355,7 @@ void kernfs_evict_inode(struct inode *inode)
 {
 	struct kernfs_node *kn = inode->i_private;
 
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 	kernfs_put(kn);
 }
diff --git a/fs/logfs/readwrite.c b/fs/logfs/readwrite.c
index 9a59cbade2fb..48140315f627 100644
--- a/fs/logfs/readwrite.c
+++ b/fs/logfs/readwrite.c
@@ -2180,7 +2180,7 @@ void logfs_evict_inode(struct inode *inode)
 			do_delete_inode(inode);
 		}
 	}
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 
 	/* Cheaper version of write_inode.  All changes are concealed in
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index dcdc2989370d..f007a3355570 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -26,7 +26,7 @@ static int minix_remount (struct super_block * sb, int * flags, char * data);
 
 static void minix_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	if (!inode->i_nlink) {
 		inode->i_size = 0;
 		minix_truncate(inode);
@@ -86,7 +86,7 @@ static void init_once(void *foo)
 	inode_init_once(&ei->vfs_inode);
 }
 
-static int init_inodecache(void)
+static int __init init_inodecache(void)
 {
 	minix_inode_cachep = kmem_cache_create("minix_inode_cache",
 					     sizeof(struct minix_inode_info),
diff --git a/fs/mpage.c b/fs/mpage.c
index 4979ffa60aaa..4e0af5ae34fa 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -462,6 +462,7 @@ static int __mpage_writepage(struct page *page, struct writeback_control *wbc,
 	struct buffer_head map_bh;
 	loff_t i_size = i_size_read(inode);
 	int ret = 0;
+	int wr = (wbc->sync_mode == WB_SYNC_ALL ?  WRITE_SYNC : WRITE);
 
 	if (page_has_buffers(page)) {
 		struct buffer_head *head = page_buffers(page);
@@ -570,7 +571,7 @@ page_is_mapped:
 	 * This page will go to BIO.  Do we need to send this BIO off first?
 	 */
 	if (bio && mpd->last_block_in_bio != blocks[0] - 1)
-		bio = mpage_bio_submit(WRITE, bio);
+		bio = mpage_bio_submit(wr, bio);
 
 alloc_new:
 	if (bio == NULL) {
@@ -587,7 +588,7 @@ alloc_new:
 	 */
 	length = first_unmapped << blkbits;
 	if (bio_add_page(bio, page, length, 0) < length) {
-		bio = mpage_bio_submit(WRITE, bio);
+		bio = mpage_bio_submit(wr, bio);
 		goto alloc_new;
 	}
 
@@ -620,7 +621,7 @@ alloc_new:
 	set_page_writeback(page);
 	unlock_page(page);
 	if (boundary || (first_unmapped != blocks_per_page)) {
-		bio = mpage_bio_submit(WRITE, bio);
+		bio = mpage_bio_submit(wr, bio);
 		if (boundary_block) {
 			write_boundary_block(boundary_bdev,
 					boundary_block, 1 << blkbits);
@@ -632,7 +633,7 @@ alloc_new:
 
 confused:
 	if (bio)
-		bio = mpage_bio_submit(WRITE, bio);
+		bio = mpage_bio_submit(wr, bio);
 
 	if (mpd->use_writepage) {
 		ret = mapping->a_ops->writepage(page, wbc);
@@ -688,8 +689,11 @@ mpage_writepages(struct address_space *mapping,
 		};
 
 		ret = write_cache_pages(mapping, wbc, __mpage_writepage, &mpd);
-		if (mpd.bio)
-			mpage_bio_submit(WRITE, mpd.bio);
+		if (mpd.bio) {
+			int wr = (wbc->sync_mode == WB_SYNC_ALL ?
+				  WRITE_SYNC : WRITE);
+			mpage_bio_submit(wr, mpd.bio);
+		}
 	}
 	blk_finish_plug(&plug);
 	return ret;
@@ -706,8 +710,11 @@ int mpage_writepage(struct page *page, get_block_t get_block,
 		.use_writepage = 0,
 	};
 	int ret = __mpage_writepage(page, wbc, &mpd);
-	if (mpd.bio)
-		mpage_bio_submit(WRITE, mpd.bio);
+	if (mpd.bio) {
+		int wr = (wbc->sync_mode == WB_SYNC_ALL ?
+			  WRITE_SYNC : WRITE);
+		mpage_bio_submit(wr, mpd.bio);
+	}
 	return ret;
 }
 EXPORT_SYMBOL(mpage_writepage);
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index c320ac52353e..08b8ea8c353e 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -339,7 +339,7 @@ ncp_lookup_validate(struct dentry *dentry, unsigned int flags)
 	if (val)
 		goto finished;
 
-	DDPRINTK("ncp_lookup_validate: %pd2 not valid, age=%ld, server lookup\n",
+	ncp_dbg(2, "%pd2 not valid, age=%ld, server lookup\n",
 		dentry, NCP_GET_AGE(dentry));
 
 	len = sizeof(__name);
@@ -358,7 +358,7 @@ ncp_lookup_validate(struct dentry *dentry, unsigned int flags)
 			res = ncp_obtain_info(server, dir, __name, &(finfo.i));
 	}
 	finfo.volume = finfo.i.volNumber;
-	DDPRINTK("ncp_lookup_validate: looked for %pd/%s, res=%d\n",
+	ncp_dbg(2, "looked for %pd/%s, res=%d\n",
 		dentry->d_parent, __name, res);
 	/*
 	 * If we didn't find it, or if it has a different dirEntNum to
@@ -372,14 +372,14 @@ ncp_lookup_validate(struct dentry *dentry, unsigned int flags)
 			ncp_new_dentry(dentry);
 			val=1;
 		} else
-			DDPRINTK("ncp_lookup_validate: found, but dirEntNum changed\n");
+			ncp_dbg(2, "found, but dirEntNum changed\n");
 
 		ncp_update_inode2(inode, &finfo);
 		mutex_unlock(&inode->i_mutex);
 	}
 
 finished:
-	DDPRINTK("ncp_lookup_validate: result=%d\n", val);
+	ncp_dbg(2, "result=%d\n", val);
 	dput(parent);
 	return val;
 }
@@ -453,8 +453,7 @@ static int ncp_readdir(struct file *file, struct dir_context *ctx)
 	ctl.page  = NULL;
 	ctl.cache = NULL;
 
-	DDPRINTK("ncp_readdir: reading %pD2, pos=%d\n", file,
-		(int) ctx->pos);
+	ncp_dbg(2, "reading %pD2, pos=%d\n", file, (int)ctx->pos);
 
 	result = -EIO;
 	/* Do not generate '.' and '..' when server is dead. */
@@ -697,8 +696,7 @@ ncp_read_volume_list(struct file *file, struct dir_context *ctx,
 	struct ncp_entry_info entry;
 	int i;
 
-	DPRINTK("ncp_read_volume_list: pos=%ld\n",
-			(unsigned long) ctx->pos);
+	ncp_dbg(1, "pos=%ld\n", (unsigned long)ctx->pos);
 
 	for (i = 0; i < NCP_NUMBER_OF_VOLUMES; i++) {
 		int inval_dentry;
@@ -708,12 +706,11 @@ ncp_read_volume_list(struct file *file, struct dir_context *ctx,
 		if (!strlen(info.volume_name))
 			continue;
 
-		DPRINTK("ncp_read_volume_list: found vol: %s\n",
-			info.volume_name);
+		ncp_dbg(1, "found vol: %s\n", info.volume_name);
 
 		if (ncp_lookup_volume(server, info.volume_name,
 					&entry.i)) {
-			DPRINTK("ncpfs: could not lookup vol %s\n",
+			ncp_dbg(1, "could not lookup vol %s\n",
 				info.volume_name);
 			continue;
 		}
@@ -738,14 +735,13 @@ ncp_do_readdir(struct file *file, struct dir_context *ctx,
 	int more;
 	size_t bufsize;
 
-	DPRINTK("ncp_do_readdir: %pD2, fpos=%ld\n", file,
-		(unsigned long) ctx->pos);
-	PPRINTK("ncp_do_readdir: init %pD, volnum=%d, dirent=%u\n",
-		file, NCP_FINFO(dir)->volNumber, NCP_FINFO(dir)->dirEntNum);
+	ncp_dbg(1, "%pD2, fpos=%ld\n", file, (unsigned long)ctx->pos);
+	ncp_vdbg("init %pD, volnum=%d, dirent=%u\n",
+		 file, NCP_FINFO(dir)->volNumber, NCP_FINFO(dir)->dirEntNum);
 
 	err = ncp_initialize_search(server, dir, &seq);
 	if (err) {
-		DPRINTK("ncp_do_readdir: init failed, err=%d\n", err);
+		ncp_dbg(1, "init failed, err=%d\n", err);
 		return;
 	}
 	/* We MUST NOT use server->buffer_size handshaked with server if we are
@@ -808,8 +804,7 @@ int ncp_conn_logged_in(struct super_block *sb)
 			goto out;
 		result = -ENOENT;
 		if (ncp_get_volume_root(server, __name, &volNumber, &dirEntNum, &DosDirNum)) {
-			PPRINTK("ncp_conn_logged_in: %s not found\n",
-				server->m.mounted_vol);
+			ncp_vdbg("%s not found\n", server->m.mounted_vol);
 			goto out;
 		}
 		dent = sb->s_root;
@@ -822,10 +817,10 @@ int ncp_conn_logged_in(struct super_block *sb)
 				NCP_FINFO(ino)->DosDirNum = DosDirNum;
 				result = 0;
 			} else {
-				DPRINTK("ncpfs: sb->s_root->d_inode == NULL!\n");
+				ncp_dbg(1, "sb->s_root->d_inode == NULL!\n");
 			}
 		} else {
-			DPRINTK("ncpfs: sb->s_root == NULL!\n");
+			ncp_dbg(1, "sb->s_root == NULL!\n");
 		}
 	} else
 		result = 0;
@@ -846,7 +841,7 @@ static struct dentry *ncp_lookup(struct inode *dir, struct dentry *dentry, unsig
 	if (!ncp_conn_valid(server))
 		goto finished;
 
-	PPRINTK("ncp_lookup: server lookup for %pd2\n", dentry);
+	ncp_vdbg("server lookup for %pd2\n", dentry);
 
 	len = sizeof(__name);
 	if (ncp_is_server_root(dir)) {
@@ -854,15 +849,15 @@ static struct dentry *ncp_lookup(struct inode *dir, struct dentry *dentry, unsig
 				 dentry->d_name.len, 1);
 		if (!res)
 			res = ncp_lookup_volume(server, __name, &(finfo.i));
-			if (!res)
-				ncp_update_known_namespace(server, finfo.i.volNumber, NULL);
+		if (!res)
+			ncp_update_known_namespace(server, finfo.i.volNumber, NULL);
 	} else {
 		res = ncp_io2vol(server, __name, &len, dentry->d_name.name,
 				 dentry->d_name.len, !ncp_preserve_case(dir));
 		if (!res)
 			res = ncp_obtain_info(server, dir, __name, &(finfo.i));
 	}
-	PPRINTK("ncp_lookup: looked for %pd2, res=%d\n", dentry, res);
+	ncp_vdbg("looked for %pd2, res=%d\n", dentry, res);
 	/*
 	 * If we didn't find an entry, make a negative dentry.
 	 */
@@ -886,7 +881,7 @@ add_entry:
 	}
 
 finished:
-	PPRINTK("ncp_lookup: result=%d\n", error);
+	ncp_vdbg("result=%d\n", error);
 	return ERR_PTR(error);
 }
 
@@ -909,7 +904,7 @@ out:
 	return error;
 
 out_close:
-	PPRINTK("ncp_instantiate: %pd2 failed, closing file\n", dentry);
+	ncp_vdbg("%pd2 failed, closing file\n", dentry);
 	ncp_close_file(NCP_SERVER(dir), finfo->file_handle);
 	goto out;
 }
@@ -923,7 +918,7 @@ int ncp_create_new(struct inode *dir, struct dentry *dentry, umode_t mode,
 	int opmode;
 	__u8 __name[NCP_MAXPATHLEN + 1];
 	
-	PPRINTK("ncp_create_new: creating %pd2, mode=%hx\n", dentry, mode);
+	ncp_vdbg("creating %pd2, mode=%hx\n", dentry, mode);
 
 	ncp_age_dentry(server, dentry);
 	len = sizeof(__name);
@@ -952,7 +947,7 @@ int ncp_create_new(struct inode *dir, struct dentry *dentry, umode_t mode,
 				error = -ENAMETOOLONG;
 			else if (result < 0)
 				error = result;
-			DPRINTK("ncp_create: %pd2 failed\n", dentry);
+			ncp_dbg(1, "%pd2 failed\n", dentry);
 			goto out;
 		}
 		opmode = O_WRONLY;
@@ -985,7 +980,7 @@ static int ncp_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 	int error, len;
 	__u8 __name[NCP_MAXPATHLEN + 1];
 
-	DPRINTK("ncp_mkdir: making %pd2\n", dentry);
+	ncp_dbg(1, "making %pd2\n", dentry);
 
 	ncp_age_dentry(server, dentry);
 	len = sizeof(__name);
@@ -1022,7 +1017,7 @@ static int ncp_rmdir(struct inode *dir, struct dentry *dentry)
 	int error, result, len;
 	__u8 __name[NCP_MAXPATHLEN + 1];
 
-	DPRINTK("ncp_rmdir: removing %pd2\n", dentry);
+	ncp_dbg(1, "removing %pd2\n", dentry);
 
 	len = sizeof(__name);
 	error = ncp_io2vol(server, __name, &len, dentry->d_name.name,
@@ -1067,13 +1062,13 @@ static int ncp_unlink(struct inode *dir, struct dentry *dentry)
 	int error;
 
 	server = NCP_SERVER(dir);
-	DPRINTK("ncp_unlink: unlinking %pd2\n", dentry);
+	ncp_dbg(1, "unlinking %pd2\n", dentry);
 	
 	/*
 	 * Check whether to close the file ...
 	 */
 	if (inode) {
-		PPRINTK("ncp_unlink: closing file\n");
+		ncp_vdbg("closing file\n");
 		ncp_make_closed(inode);
 	}
 
@@ -1087,7 +1082,7 @@ static int ncp_unlink(struct inode *dir, struct dentry *dentry)
 #endif
 	switch (error) {
 		case 0x00:
-			DPRINTK("ncp: removed %pd2\n", dentry);
+			ncp_dbg(1, "removed %pd2\n", dentry);
 			break;
 		case 0x85:
 		case 0x8A:
@@ -1120,7 +1115,7 @@ static int ncp_rename(struct inode *old_dir, struct dentry *old_dentry,
 	int old_len, new_len;
 	__u8 __old_name[NCP_MAXPATHLEN + 1], __new_name[NCP_MAXPATHLEN + 1];
 
-	DPRINTK("ncp_rename: %pd2 to %pd2\n", old_dentry, new_dentry);
+	ncp_dbg(1, "%pd2 to %pd2\n", old_dentry, new_dentry);
 
 	ncp_age_dentry(server, old_dentry);
 	ncp_age_dentry(server, new_dentry);
@@ -1150,8 +1145,8 @@ static int ncp_rename(struct inode *old_dir, struct dentry *old_dentry,
 #endif
 	switch (error) {
 		case 0x00:
-               	        DPRINTK("ncp renamed %pd -> %pd.\n",
-                                old_dentry, new_dentry);
+			ncp_dbg(1, "renamed %pd -> %pd\n",
+				old_dentry, new_dentry);
 			break;
 		case 0x9E:
 			error = -ENAMETOOLONG;
@@ -1173,7 +1168,7 @@ static int ncp_mknod(struct inode * dir, struct dentry *dentry,
 	if (!new_valid_dev(rdev))
 		return -EINVAL;
 	if (ncp_is_nfs_extras(NCP_SERVER(dir), NCP_FINFO(dir)->volNumber)) {
-		DPRINTK(KERN_DEBUG "ncp_mknod: mode = 0%ho\n", mode);
+		ncp_dbg(1, "mode = 0%ho\n", mode);
 		return ncp_create_new(dir, dentry, mode, rdev, 0);
 	}
 	return -EPERM; /* Strange, but true */
diff --git a/fs/ncpfs/file.c b/fs/ncpfs/file.c
index 8f5074e1ecb9..77640a8bfb87 100644
--- a/fs/ncpfs/file.c
+++ b/fs/ncpfs/file.c
@@ -6,6 +6,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <asm/uaccess.h>
 
 #include <linux/time.h>
@@ -34,11 +36,11 @@ int ncp_make_open(struct inode *inode, int right)
 
 	error = -EINVAL;
 	if (!inode) {
-		printk(KERN_ERR "ncp_make_open: got NULL inode\n");
+		pr_err("%s: got NULL inode\n", __func__);
 		goto out;
 	}
 
-	DPRINTK("ncp_make_open: opened=%d, volume # %u, dir entry # %u\n",
+	ncp_dbg(1, "opened=%d, volume # %u, dir entry # %u\n",
 		atomic_read(&NCP_FINFO(inode)->opened), 
 		NCP_FINFO(inode)->volNumber, 
 		NCP_FINFO(inode)->dirEntNum);
@@ -71,7 +73,7 @@ int ncp_make_open(struct inode *inode, int right)
 				break;
 		}
 		if (result) {
-			PPRINTK("ncp_make_open: failed, result=%d\n", result);
+			ncp_vdbg("failed, result=%d\n", result);
 			goto out_unlock;
 		}
 		/*
@@ -83,7 +85,7 @@ int ncp_make_open(struct inode *inode, int right)
 	}
 
 	access = NCP_FINFO(inode)->access;
-	PPRINTK("ncp_make_open: file open, access=%x\n", access);
+	ncp_vdbg("file open, access=%x\n", access);
 	if (access == right || access == O_RDWR) {
 		atomic_inc(&NCP_FINFO(inode)->opened);
 		error = 0;
@@ -107,7 +109,7 @@ ncp_file_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 	void* freepage;
 	size_t freelen;
 
-	DPRINTK("ncp_file_read: enter %pd2\n", dentry);
+	ncp_dbg(1, "enter %pd2\n", dentry);
 
 	pos = *ppos;
 
@@ -124,7 +126,7 @@ ncp_file_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 
 	error = ncp_make_open(inode, O_RDONLY);
 	if (error) {
-		DPRINTK(KERN_ERR "ncp_file_read: open failed, error=%d\n", error);
+		ncp_dbg(1, "open failed, error=%d\n", error);
 		return error;
 	}
 
@@ -165,7 +167,7 @@ ncp_file_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 
 	file_accessed(file);
 
-	DPRINTK("ncp_file_read: exit %pd2\n", dentry);
+	ncp_dbg(1, "exit %pd2\n", dentry);
 outrel:
 	ncp_inode_close(inode);		
 	return already_read ? already_read : error;
@@ -182,7 +184,7 @@ ncp_file_write(struct file *file, const char __user *buf, size_t count, loff_t *
 	int errno;
 	void* bouncebuffer;
 
-	DPRINTK("ncp_file_write: enter %pd2\n", dentry);
+	ncp_dbg(1, "enter %pd2\n", dentry);
 	if ((ssize_t) count < 0)
 		return -EINVAL;
 	pos = *ppos;
@@ -211,7 +213,7 @@ ncp_file_write(struct file *file, const char __user *buf, size_t count, loff_t *
 		return 0;
 	errno = ncp_make_open(inode, O_WRONLY);
 	if (errno) {
-		DPRINTK(KERN_ERR "ncp_file_write: open failed, error=%d\n", errno);
+		ncp_dbg(1, "open failed, error=%d\n", errno);
 		return errno;
 	}
 	bufsize = NCP_SERVER(inode)->buffer_size;
@@ -261,7 +263,7 @@ ncp_file_write(struct file *file, const char __user *buf, size_t count, loff_t *
 			i_size_write(inode, pos);
 		mutex_unlock(&inode->i_mutex);
 	}
-	DPRINTK("ncp_file_write: exit %pd2\n", dentry);
+	ncp_dbg(1, "exit %pd2\n", dentry);
 outrel:
 	ncp_inode_close(inode);		
 	return already_written ? already_written : errno;
@@ -269,7 +271,7 @@ outrel:
 
 static int ncp_release(struct inode *inode, struct file *file) {
 	if (ncp_make_closed(inode)) {
-		DPRINTK("ncp_release: failed to close\n");
+		ncp_dbg(1, "failed to close\n");
 	}
 	return 0;
 }
diff --git a/fs/ncpfs/getopt.c b/fs/ncpfs/getopt.c
index 0af3349de851..03ffde1f44d6 100644
--- a/fs/ncpfs/getopt.c
+++ b/fs/ncpfs/getopt.c
@@ -2,6 +2,8 @@
  * getopt.c
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/string.h>
 
@@ -46,8 +48,8 @@ int ncp_getopt(const char *caller, char **options, const struct ncp_option *opts
 				if (opts->has_arg & OPT_NOPARAM) {
 					return opts->val;
 				}
-				printk(KERN_INFO "%s: the %s option requires an argument\n",
-				       caller, token);
+				pr_info("%s: the %s option requires an argument\n",
+					caller, token);
 				return -EINVAL;
 			}
 			if (opts->has_arg & OPT_INT) {
@@ -57,18 +59,18 @@ int ncp_getopt(const char *caller, char **options, const struct ncp_option *opts
 				if (!*v) {
 					return opts->val;
 				}
-				printk(KERN_INFO "%s: invalid numeric value in %s=%s\n",
+				pr_info("%s: invalid numeric value in %s=%s\n",
 					caller, token, val);
 				return -EDOM;
 			}
 			if (opts->has_arg & OPT_STRING) {
 				return opts->val;
 			}
-			printk(KERN_INFO "%s: unexpected argument %s to the %s option\n",
+			pr_info("%s: unexpected argument %s to the %s option\n",
 				caller, val, token);
 			return -EINVAL;
 		}
 	}
-	printk(KERN_INFO "%s: Unrecognized mount option %s\n", caller, token);
+	pr_info("%s: Unrecognized mount option %s\n", caller, token);
 	return -EOPNOTSUPP;
 }
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index 5f86e8080178..81b4f643ecef 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -9,6 +9,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 
 #include <asm/uaccess.h>
@@ -133,7 +135,7 @@ void ncp_update_inode(struct inode *inode, struct ncp_entry_info *nwinfo)
 	NCP_FINFO(inode)->access = nwinfo->access;
 	memcpy(NCP_FINFO(inode)->file_handle, nwinfo->file_handle,
 			sizeof(nwinfo->file_handle));
-	DPRINTK("ncp_update_inode: updated %s, volnum=%d, dirent=%u\n",
+	ncp_dbg(1, "updated %s, volnum=%d, dirent=%u\n",
 		nwinfo->i.entryName, NCP_FINFO(inode)->volNumber,
 		NCP_FINFO(inode)->dirEntNum);
 }
@@ -141,8 +143,7 @@ void ncp_update_inode(struct inode *inode, struct ncp_entry_info *nwinfo)
 static void ncp_update_dates(struct inode *inode, struct nw_info_struct *nwi)
 {
 	/* NFS namespace mode overrides others if it's set. */
-	DPRINTK(KERN_DEBUG "ncp_update_dates_and_mode: (%s) nfs.mode=0%o\n",
-		nwi->entryName, nwi->nfs.mode);
+	ncp_dbg(1, "(%s) nfs.mode=0%o\n", nwi->entryName, nwi->nfs.mode);
 	if (nwi->nfs.mode) {
 		/* XXX Security? */
 		inode->i_mode = nwi->nfs.mode;
@@ -230,7 +231,7 @@ static void ncp_set_attr(struct inode *inode, struct ncp_entry_info *nwinfo)
 	
 	ncp_update_attrs(inode, nwinfo);
 
-	DDPRINTK("ncp_read_inode: inode->i_mode = %u\n", inode->i_mode);
+	ncp_dbg(2, "inode->i_mode = %u\n", inode->i_mode);
 
 	set_nlink(inode, 1);
 	inode->i_uid = server->m.uid;
@@ -258,7 +259,7 @@ ncp_iget(struct super_block *sb, struct ncp_entry_info *info)
 	struct inode *inode;
 
 	if (info == NULL) {
-		printk(KERN_ERR "ncp_iget: info is NULL\n");
+		pr_err("%s: info is NULL\n", __func__);
 		return NULL;
 	}
 
@@ -290,23 +291,23 @@ ncp_iget(struct super_block *sb, struct ncp_entry_info *info)
 		}
 		insert_inode_hash(inode);
 	} else
-		printk(KERN_ERR "ncp_iget: iget failed!\n");
+		pr_err("%s: iget failed!\n", __func__);
 	return inode;
 }
 
 static void
 ncp_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 
 	if (S_ISDIR(inode->i_mode)) {
-		DDPRINTK("ncp_evict_inode: put directory %ld\n", inode->i_ino);
+		ncp_dbg(2, "put directory %ld\n", inode->i_ino);
 	}
 
 	if (ncp_make_closed(inode) != 0) {
 		/* We can't do anything but complain. */
-		printk(KERN_ERR "ncp_evict_inode: could not close\n");
+		pr_err("%s: could not close\n", __func__);
 	}
 }
 
@@ -621,7 +622,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
 	   now because of PATH_MAX changes.. */
 	if (server->m.time_out < 1) {
 		server->m.time_out = 10;
-		printk(KERN_INFO "You need to recompile your ncpfs utils..\n");
+		pr_info("You need to recompile your ncpfs utils..\n");
 	}
 	server->m.time_out = server->m.time_out * HZ / 100;
 	server->m.file_mode = (server->m.file_mode & S_IRWXUGO) | S_IFREG;
@@ -682,7 +683,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
 	ncp_unlock_server(server);
 	if (error < 0)
 		goto out_rxbuf;
-	DPRINTK("ncp_fill_super: NCP_SBP(sb) = %x\n", (int) NCP_SBP(sb));
+	ncp_dbg(1, "NCP_SBP(sb) = %p\n", NCP_SBP(sb));
 
 	error = -EMSGSIZE;	/* -EREMOTESIDEINCOMPATIBLE */
 #ifdef CONFIG_NCPFS_PACKET_SIGNING
@@ -710,7 +711,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
 	if (ncp_negotiate_buffersize(server, default_bufsize,
   				     &(server->buffer_size)) != 0)
 		goto out_disconnect;
-	DPRINTK("ncpfs: bufsize = %d\n", server->buffer_size);
+	ncp_dbg(1, "bufsize = %d\n", server->buffer_size);
 
 	memset(&finfo, 0, sizeof(finfo));
 	finfo.i.attributes	= aDIR;
@@ -739,7 +740,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
         root_inode = ncp_iget(sb, &finfo);
         if (!root_inode)
 		goto out_disconnect;
-	DPRINTK("ncp_fill_super: root vol=%d\n", NCP_FINFO(root_inode)->volNumber);
+	ncp_dbg(1, "root vol=%d\n", NCP_FINFO(root_inode)->volNumber);
 	sb->s_root = d_make_root(root_inode);
         if (!sb->s_root)
 		goto out_disconnect;
@@ -985,8 +986,7 @@ int ncp_notify_change(struct dentry *dentry, struct iattr *attr)
 	if ((attr->ia_valid & ATTR_SIZE) != 0) {
 		int written;
 
-		DPRINTK("ncpfs: trying to change size to %ld\n",
-			attr->ia_size);
+		ncp_dbg(1, "trying to change size to %llu\n", attr->ia_size);
 
 		if ((result = ncp_make_open(inode, O_WRONLY)) < 0) {
 			result = -EACCES;
@@ -1072,7 +1072,7 @@ MODULE_ALIAS_FS("ncpfs");
 static int __init init_ncp_fs(void)
 {
 	int err;
-	DPRINTK("ncpfs: init_ncp_fs called\n");
+	ncp_dbg(1, "called\n");
 
 	err = init_inodecache();
 	if (err)
@@ -1089,7 +1089,7 @@ out1:
 
 static void __exit exit_ncp_fs(void)
 {
-	DPRINTK("ncpfs: exit_ncp_fs called\n");
+	ncp_dbg(1, "called\n");
 	unregister_filesystem(&ncp_fs_type);
 	destroy_inodecache();
 }
diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c
index 60426ccb3b65..d5659d96ee7f 100644
--- a/fs/ncpfs/ioctl.c
+++ b/fs/ncpfs/ioctl.c
@@ -41,7 +41,7 @@ ncp_get_fs_info(struct ncp_server * server, struct inode *inode,
 		return -EFAULT;
 
 	if (info.version != NCP_GET_FS_INFO_VERSION) {
-		DPRINTK("info.version invalid: %d\n", info.version);
+		ncp_dbg(1, "info.version invalid: %d\n", info.version);
 		return -EINVAL;
 	}
 	/* TODO: info.addr = server->m.serv_addr; */
@@ -66,7 +66,7 @@ ncp_get_fs_info_v2(struct ncp_server * server, struct inode *inode,
 		return -EFAULT;
 
 	if (info2.version != NCP_GET_FS_INFO_VERSION_V2) {
-		DPRINTK("info.version invalid: %d\n", info2.version);
+		ncp_dbg(1, "info.version invalid: %d\n", info2.version);
 		return -EINVAL;
 	}
 	info2.mounted_uid   = from_kuid_munged(current_user_ns(), server->m.mounted_uid);
@@ -132,7 +132,7 @@ ncp_get_compat_fs_info_v2(struct ncp_server * server, struct inode *inode,
 		return -EFAULT;
 
 	if (info2.version != NCP_GET_FS_INFO_VERSION_V2) {
-		DPRINTK("info.version invalid: %d\n", info2.version);
+		ncp_dbg(1, "info.version invalid: %d\n", info2.version);
 		return -EINVAL;
 	}
 	info2.mounted_uid   = from_kuid_munged(current_user_ns(), server->m.mounted_uid);
@@ -308,8 +308,7 @@ static long __ncp_ioctl(struct inode *inode, unsigned int cmd, unsigned long arg
 		else
 			result = server->reply_size;
 		ncp_unlock_server(server);
-		DPRINTK("ncp_ioctl: copy %d bytes\n",
-			result);
+		ncp_dbg(1, "copy %d bytes\n", result);
 		if (result >= 0)
 			if (copy_to_user(request.data, bouncebuffer, result))
 				result = -EFAULT;
@@ -385,9 +384,9 @@ static long __ncp_ioctl(struct inode *inode, unsigned int cmd, unsigned long arg
 						sr.namespace = server->name_space[sr.volNumber];
 						result = 0;
 					} else
-						DPRINTK("ncpfs: s_root->d_inode==NULL\n");
+						ncp_dbg(1, "s_root->d_inode==NULL\n");
 				} else
-					DPRINTK("ncpfs: s_root==NULL\n");
+					ncp_dbg(1, "s_root==NULL\n");
 			} else {
 				sr.volNumber = -1;
 				sr.namespace = 0;
@@ -440,11 +439,11 @@ static long __ncp_ioctl(struct inode *inode, unsigned int cmd, unsigned long arg
 							NCP_FINFO(s_inode)->DosDirNum = dosde;
 							server->root_setuped = 1;
 						} else {
-							DPRINTK("ncpfs: s_root->d_inode==NULL\n");
+							ncp_dbg(1, "s_root->d_inode==NULL\n");
 							result = -EIO;
 						}
 					} else {
-						DPRINTK("ncpfs: s_root==NULL\n");
+						ncp_dbg(1, "s_root==NULL\n");
 						result = -EIO;
 					}
 				}
diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c
index 3c5dd55d284c..b359d12eb359 100644
--- a/fs/ncpfs/mmap.c
+++ b/fs/ncpfs/mmap.c
@@ -107,7 +107,7 @@ int ncp_mmap(struct file *file, struct vm_area_struct *vma)
 {
 	struct inode *inode = file_inode(file);
 	
-	DPRINTK("ncp_mmap: called\n");
+	ncp_dbg(1, "called\n");
 
 	if (!ncp_conn_valid(NCP_SERVER(inode)))
 		return -EIO;
diff --git a/fs/ncpfs/ncp_fs.h b/fs/ncpfs/ncp_fs.h
index 31831afe1c3b..b9f69e1b1f43 100644
--- a/fs/ncpfs/ncp_fs.h
+++ b/fs/ncpfs/ncp_fs.h
@@ -2,30 +2,32 @@
 #include "ncp_fs_i.h"
 #include "ncp_fs_sb.h"
 
-/* define because it is easy to change PRINTK to {*}PRINTK */
-#define PRINTK(format, args...) printk(KERN_DEBUG format , ## args)
-
 #undef NCPFS_PARANOIA
 #ifdef NCPFS_PARANOIA
-#define PPRINTK(format, args...) PRINTK(format , ## args)
+#define ncp_vdbg(fmt, ...)					\
+	pr_debug(fmt, ##__VA_ARGS__)
 #else
-#define PPRINTK(format, args...)
+#define ncp_vdbg(fmt, ...)					\
+do {								\
+	if (0)							\
+		pr_debug(fmt, ##__VA_ARGS__);			\
+} while (0)
 #endif
 
 #ifndef DEBUG_NCP
 #define DEBUG_NCP 0
 #endif
-#if DEBUG_NCP > 0
-#define DPRINTK(format, args...) PRINTK(format , ## args)
-#else
-#define DPRINTK(format, args...)
-#endif
-#if DEBUG_NCP > 1
-#define DDPRINTK(format, args...) PRINTK(format , ## args)
-#else
-#define DDPRINTK(format, args...)
+
+#if DEBUG_NCP > 0 && !defined(DEBUG)
+#define DEBUG
 #endif
 
+#define ncp_dbg(level, fmt, ...)				\
+do {								\
+	if (level <= DEBUG_NCP)					\
+		pr_debug(fmt, ##__VA_ARGS__);			\
+} while (0)
+
 #define NCP_MAX_RPC_TIMEOUT (6*HZ)
 
 
diff --git a/fs/ncpfs/ncplib_kernel.c b/fs/ncpfs/ncplib_kernel.c
index 981a95617fc9..482387532f54 100644
--- a/fs/ncpfs/ncplib_kernel.c
+++ b/fs/ncpfs/ncplib_kernel.c
@@ -9,14 +9,14 @@
  *
  */
 
-
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include "ncp_fs.h"
 
 static inline void assert_server_locked(struct ncp_server *server)
 {
 	if (server->lock == 0) {
-		DPRINTK("ncpfs: server not locked!\n");
+		ncp_dbg(1, "server not locked!\n");
 	}
 }
 
@@ -75,7 +75,7 @@ static void ncp_add_pstring(struct ncp_server *server, const char *s)
 	int len = strlen(s);
 	assert_server_locked(server);
 	if (len > 255) {
-		DPRINTK("ncpfs: string too long: %s\n", s);
+		ncp_dbg(1, "string too long: %s\n", s);
 		len = 255;
 	}
 	ncp_add_byte(server, len);
@@ -225,7 +225,7 @@ int ncp_get_volume_info_with_number(struct ncp_server* server,
 	result = -EIO;
 	len = ncp_reply_byte(server, 29);
 	if (len > NCP_VOLNAME_LEN) {
-		DPRINTK("ncpfs: volume name too long: %d\n", len);
+		ncp_dbg(1, "volume name too long: %d\n", len);
 		goto out;
 	}
 	memcpy(&(target->volume_name), ncp_reply_data(server, 30), len);
@@ -259,7 +259,7 @@ int ncp_get_directory_info(struct ncp_server* server, __u8 n,
 	result = -EIO;
 	len = ncp_reply_byte(server, 21);
 	if (len > NCP_VOLNAME_LEN) {
-		DPRINTK("ncpfs: volume name too long: %d\n", len);
+		ncp_dbg(1, "volume name too long: %d\n", len);
 		goto out;
 	}
 	memcpy(&(target->volume_name), ncp_reply_data(server, 22), len);
@@ -295,9 +295,9 @@ ncp_make_closed(struct inode *inode)
 		err = ncp_close_file(NCP_SERVER(inode), NCP_FINFO(inode)->file_handle);
 
 		if (!err)
-			PPRINTK("ncp_make_closed: volnum=%d, dirent=%u, error=%d\n",
-				NCP_FINFO(inode)->volNumber,
-				NCP_FINFO(inode)->dirEntNum, err);
+			ncp_vdbg("volnum=%d, dirent=%u, error=%d\n",
+				 NCP_FINFO(inode)->volNumber,
+				 NCP_FINFO(inode)->dirEntNum, err);
 	}
 	mutex_unlock(&NCP_FINFO(inode)->open_mutex);
 	return err;
@@ -394,8 +394,7 @@ int ncp_obtain_nfs_info(struct ncp_server *server,
 
 		if ((result = ncp_request(server, 87)) == 0) {
 			ncp_extract_nfs_info(ncp_reply_data(server, 0), &target->nfs);
-			DPRINTK(KERN_DEBUG
-				"ncp_obtain_nfs_info: (%s) mode=0%o, rdev=0x%x\n",
+			ncp_dbg(1, "(%s) mode=0%o, rdev=0x%x\n",
 				target->entryName, target->nfs.mode,
 				target->nfs.rdev);
 		} else {
@@ -425,7 +424,7 @@ int ncp_obtain_info(struct ncp_server *server, struct inode *dir, const char *pa
 	int result;
 
 	if (target == NULL) {
-		printk(KERN_ERR "ncp_obtain_info: invalid call\n");
+		pr_err("%s: invalid call\n", __func__);
 		return -EINVAL;
 	}
 	ncp_init_request(server);
@@ -498,7 +497,7 @@ ncp_get_known_namespace(struct ncp_server *server, __u8 volume)
 	namespace = ncp_reply_data(server, 2);
 
 	while (no_namespaces > 0) {
-		DPRINTK("get_namespaces: found %d on %d\n", *namespace, volume);
+		ncp_dbg(1, "found %d on %d\n", *namespace, volume);
 
 #ifdef CONFIG_NCPFS_NFS_NS
 		if ((*namespace == NW_NS_NFS) && !(server->m.flags&NCP_MOUNT_NO_NFS)) 
@@ -531,8 +530,7 @@ ncp_update_known_namespace(struct ncp_server *server, __u8 volume, int *ret_ns)
 	if (ret_ns)
 		*ret_ns = ns;
 
-	DPRINTK("lookup_vol: namespace[%d] = %d\n",
-		volume, server->name_space[volume]);
+	ncp_dbg(1, "namespace[%d] = %d\n", volume, server->name_space[volume]);
 
 	if (server->name_space[volume] == ns)
 		return 0;
@@ -596,7 +594,7 @@ ncp_get_volume_root(struct ncp_server *server,
 {
 	int result;
 
-	DPRINTK("ncp_get_volume_root: looking up vol %s\n", volname);
+	ncp_dbg(1, "looking up vol %s\n", volname);
 
 	ncp_init_request(server);
 	ncp_add_byte(server, 22);	/* Subfunction: Generate dir handle */
diff --git a/fs/ncpfs/sock.c b/fs/ncpfs/sock.c
index 3a1587222c8a..04a69a4d8e96 100644
--- a/fs/ncpfs/sock.c
+++ b/fs/ncpfs/sock.c
@@ -8,6 +8,7 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/time.h>
 #include <linux/errno.h>
@@ -231,7 +232,7 @@ static void __ncptcp_try_send(struct ncp_server *server)
 		return;
 
 	if (result < 0) {
-		printk(KERN_ERR "ncpfs: tcp: Send failed: %d\n", result);
+		pr_err("tcp: Send failed: %d\n", result);
 		__ncp_abort_request(server, rq, result);
 		return;
 	}
@@ -332,7 +333,7 @@ static int ncp_add_request(struct ncp_server *server, struct ncp_request_reply *
 	mutex_lock(&server->rcv.creq_mutex);
 	if (!ncp_conn_valid(server)) {
 		mutex_unlock(&server->rcv.creq_mutex);
-		printk(KERN_ERR "ncpfs: tcp: Server died\n");
+		pr_err("tcp: Server died\n");
 		return -EIO;
 	}
 	ncp_req_get(req);
@@ -405,15 +406,15 @@ void ncpdgram_rcv_proc(struct work_struct *work)
 				}
 				result = _recv(sock, buf, sizeof(buf), MSG_DONTWAIT);
 				if (result < 0) {
-					DPRINTK("recv failed with %d\n", result);
+					ncp_dbg(1, "recv failed with %d\n", result);
 					continue;
 				}
 				if (result < 10) {
-					DPRINTK("too short (%u) watchdog packet\n", result);
+					ncp_dbg(1, "too short (%u) watchdog packet\n", result);
 					continue;
 				}
 				if (buf[9] != '?') {
-					DPRINTK("bad signature (%02X) in watchdog packet\n", buf[9]);
+					ncp_dbg(1, "bad signature (%02X) in watchdog packet\n", buf[9]);
 					continue;
 				}
 				buf[9] = 'Y';
@@ -448,7 +449,7 @@ void ncpdgram_rcv_proc(struct work_struct *work)
 							result -= 8;
 							hdrl = sock->sk->sk_family == AF_INET ? 8 : 6;
 							if (sign_verify_reply(server, server->rxbuf + hdrl, result - hdrl, cpu_to_le32(result), server->rxbuf + result)) {
-								printk(KERN_INFO "ncpfs: Signature violation\n");
+								pr_info("Signature violation\n");
 								result = -EIO;
 							}
 						}
@@ -524,7 +525,7 @@ static int do_tcp_rcv(struct ncp_server *server, void *buffer, size_t len)
 		return result;
 	}
 	if (result > len) {
-		printk(KERN_ERR "ncpfs: tcp: bug in recvmsg (%u > %Zu)\n", result, len);
+		pr_err("tcp: bug in recvmsg (%u > %Zu)\n", result, len);
 		return -EIO;			
 	}
 	return result;
@@ -552,9 +553,9 @@ static int __ncptcp_rcv_proc(struct ncp_server *server)
 					__ncptcp_abort(server);
 				}
 				if (result < 0) {
-					printk(KERN_ERR "ncpfs: tcp: error in recvmsg: %d\n", result);
+					pr_err("tcp: error in recvmsg: %d\n", result);
 				} else {
-					DPRINTK(KERN_ERR "ncpfs: tcp: EOF\n");
+					ncp_dbg(1, "tcp: EOF\n");
 				}
 				return -EIO;
 			}
@@ -566,20 +567,20 @@ static int __ncptcp_rcv_proc(struct ncp_server *server)
 		switch (server->rcv.state) {
 			case 0:
 				if (server->rcv.buf.magic != htonl(NCP_TCP_RCVD_MAGIC)) {
-					printk(KERN_ERR "ncpfs: tcp: Unexpected reply type %08X\n", ntohl(server->rcv.buf.magic));
+					pr_err("tcp: Unexpected reply type %08X\n", ntohl(server->rcv.buf.magic));
 					__ncptcp_abort(server);
 					return -EIO;
 				}
 				datalen = ntohl(server->rcv.buf.len) & 0x0FFFFFFF;
 				if (datalen < 10) {
-					printk(KERN_ERR "ncpfs: tcp: Unexpected reply len %d\n", datalen);
+					pr_err("tcp: Unexpected reply len %d\n", datalen);
 					__ncptcp_abort(server);
 					return -EIO;
 				}
 #ifdef CONFIG_NCPFS_PACKET_SIGNING				
 				if (server->sign_active) {
 					if (datalen < 18) {
-						printk(KERN_ERR "ncpfs: tcp: Unexpected reply len %d\n", datalen);
+						pr_err("tcp: Unexpected reply len %d\n", datalen);
 						__ncptcp_abort(server);
 						return -EIO;
 					}
@@ -604,7 +605,7 @@ cont:;
 						server->rcv.len = datalen - 10;
 						break;
 					}					
-					DPRINTK("ncpfs: tcp: Unexpected NCP type %02X\n", type);
+					ncp_dbg(1, "tcp: Unexpected NCP type %02X\n", type);
 skipdata2:;
 					server->rcv.state = 2;
 skipdata:;
@@ -614,11 +615,11 @@ skipdata:;
 				}
 				req = server->rcv.creq;
 				if (!req) {
-					DPRINTK(KERN_ERR "ncpfs: Reply without appropriate request\n");
+					ncp_dbg(1, "Reply without appropriate request\n");
 					goto skipdata2;
 				}
 				if (datalen > req->datalen + 8) {
-					printk(KERN_ERR "ncpfs: tcp: Unexpected reply len %d (expected at most %Zd)\n", datalen, req->datalen + 8);
+					pr_err("tcp: Unexpected reply len %d (expected at most %Zd)\n", datalen, req->datalen + 8);
 					server->rcv.state = 3;
 					goto skipdata;
 				}
@@ -638,12 +639,12 @@ skipdata:;
 				req = server->rcv.creq;
 				if (req->tx_type != NCP_ALLOC_SLOT_REQUEST) {
 					if (((struct ncp_reply_header*)server->rxbuf)->sequence != server->sequence) {
-						printk(KERN_ERR "ncpfs: tcp: Bad sequence number\n");
+						pr_err("tcp: Bad sequence number\n");
 						__ncp_abort_request(server, req, -EIO);
 						return -EIO;
 					}
 					if ((((struct ncp_reply_header*)server->rxbuf)->conn_low | (((struct ncp_reply_header*)server->rxbuf)->conn_high << 8)) != server->connection) {
-						printk(KERN_ERR "ncpfs: tcp: Connection number mismatch\n");
+						pr_err("tcp: Connection number mismatch\n");
 						__ncp_abort_request(server, req, -EIO);
 						return -EIO;
 					}
@@ -651,7 +652,7 @@ skipdata:;
 #ifdef CONFIG_NCPFS_PACKET_SIGNING				
 				if (server->sign_active && req->tx_type != NCP_DEALLOC_SLOT_REQUEST) {
 					if (sign_verify_reply(server, server->rxbuf + 6, req->datalen - 6, cpu_to_be32(req->datalen + 16), &server->rcv.buf.type)) {
-						printk(KERN_ERR "ncpfs: tcp: Signature violation\n");
+						pr_err("tcp: Signature violation\n");
 						__ncp_abort_request(server, req, -EIO);
 						return -EIO;
 					}
@@ -742,7 +743,7 @@ static int ncp_do_request(struct ncp_server *server, int size,
 	int result;
 
 	if (server->lock == 0) {
-		printk(KERN_ERR "ncpfs: Server not locked!\n");
+		pr_err("Server not locked!\n");
 		return -EIO;
 	}
 	if (!ncp_conn_valid(server)) {
@@ -781,7 +782,7 @@ static int ncp_do_request(struct ncp_server *server, int size,
 		spin_unlock_irqrestore(&current->sighand->siglock, flags);
 	}
 
-	DDPRINTK("do_ncp_rpc_call returned %d\n", result);
+	ncp_dbg(2, "do_ncp_rpc_call returned %d\n", result);
 
 	return result;
 }
@@ -811,7 +812,7 @@ int ncp_request2(struct ncp_server *server, int function,
 
 	result = ncp_do_request(server, server->current_size, reply, size);
 	if (result < 0) {
-		DPRINTK("ncp_request_error: %d\n", result);
+		ncp_dbg(1, "ncp_request_error: %d\n", result);
 		goto out;
 	}
 	server->completion = reply->completion_code;
@@ -822,7 +823,7 @@ int ncp_request2(struct ncp_server *server, int function,
 	result = reply->completion_code;
 
 	if (result != 0)
-		PPRINTK("ncp_request: completion code=%x\n", result);
+		ncp_vdbg("completion code=%x\n", result);
 out:
 	return result;
 }
@@ -865,14 +866,14 @@ void ncp_lock_server(struct ncp_server *server)
 {
 	mutex_lock(&server->mutex);
 	if (server->lock)
-		printk(KERN_WARNING "ncp_lock_server: was locked!\n");
+		pr_warn("%s: was locked!\n", __func__);
 	server->lock = 1;
 }
 
 void ncp_unlock_server(struct ncp_server *server)
 {
 	if (!server->lock) {
-		printk(KERN_WARNING "ncp_unlock_server: was not locked!\n");
+		pr_warn("%s: was not locked!\n", __func__);
 		return;
 	}
 	server->lock = 0;
diff --git a/fs/ncpfs/symlink.c b/fs/ncpfs/symlink.c
index 52439ddc8de0..1a63bfdb4a65 100644
--- a/fs/ncpfs/symlink.c
+++ b/fs/ncpfs/symlink.c
@@ -112,7 +112,7 @@ int ncp_symlink(struct inode *dir, struct dentry *dentry, const char *symname) {
 	__le32 attr;
 	unsigned int hdr;
 
-	DPRINTK("ncp_symlink(dir=%p,dentry=%p,symname=%s)\n",dir,dentry,symname);
+	ncp_dbg(1, "dir=%p, dentry=%p, symname=%s\n", dir, dentry, symname);
 
 	if (ncp_is_nfs_extras(NCP_SERVER(dir), NCP_FINFO(dir)->volNumber))
 		kludge = 0;
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index 56ff823ca82e..65d849bdf77a 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -1213,7 +1213,7 @@ static u64 pnfs_num_cont_bytes(struct inode *inode, pgoff_t idx)
 	end = DIV_ROUND_UP(i_size_read(inode), PAGE_CACHE_SIZE);
 	if (end != NFS_I(inode)->npages) {
 		rcu_read_lock();
-		end = radix_tree_next_hole(&mapping->page_tree, idx + 1, ULONG_MAX);
+		end = page_cache_next_hole(mapping, idx + 1, ULONG_MAX);
 		rcu_read_unlock();
 	}
 
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 5bb790a69c71..284ca901fe16 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -617,6 +617,7 @@ out:
 
 static const struct vm_operations_struct nfs_file_vm_ops = {
 	.fault = filemap_fault,
+	.map_pages = filemap_map_pages,
 	.page_mkwrite = nfs_vm_page_mkwrite,
 	.remap_pages = generic_file_remap_pages,
 };
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 9dbef878a2b2..0c438973f3c8 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -128,7 +128,7 @@ EXPORT_SYMBOL_GPL(nfs_clear_inode);
 
 void nfs_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 	nfs_clear_inode(inode);
 }
diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c
index 808f29574412..6f340f02f2ba 100644
--- a/fs/nfs/nfs4super.c
+++ b/fs/nfs/nfs4super.c
@@ -90,7 +90,7 @@ static int nfs4_write_inode(struct inode *inode, struct writeback_control *wbc)
  */
 static void nfs4_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 	pnfs_return_layout(inode);
 	pnfs_destroy_layout(NFS_I(inode));
diff --git a/fs/nfsd/auth.c b/fs/nfsd/auth.c
index 06cddd572264..2645be435e75 100644
--- a/fs/nfsd/auth.c
+++ b/fs/nfsd/auth.c
@@ -71,10 +71,8 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
 	if (gid_eq(new->fsgid, INVALID_GID))
 		new->fsgid = exp->ex_anon_gid;
 
-	ret = set_groups(new, gi);
+	set_groups(new, gi);
 	put_group_info(gi);
-	if (ret < 0)
-		goto error;
 
 	if (!uid_eq(new->fsuid, GLOBAL_ROOT_UID))
 		new->cap_effective = cap_drop_nfsd_set(new->cap_effective);
@@ -89,7 +87,6 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
 
 oom:
 	ret = -ENOMEM;
-error:
 	abort_creds(new);
 	return ret;
 }
diff --git a/fs/nilfs2/cpfile.c b/fs/nilfs2/cpfile.c
index deaa3d33a0aa..0d58075f34e2 100644
--- a/fs/nilfs2/cpfile.c
+++ b/fs/nilfs2/cpfile.c
@@ -942,6 +942,18 @@ int nilfs_cpfile_read(struct super_block *sb, size_t cpsize,
 	struct inode *cpfile;
 	int err;
 
+	if (cpsize > sb->s_blocksize) {
+		printk(KERN_ERR
+		       "NILFS: too large checkpoint size: %zu bytes.\n",
+		       cpsize);
+		return -EINVAL;
+	} else if (cpsize < NILFS_MIN_CHECKPOINT_SIZE) {
+		printk(KERN_ERR
+		       "NILFS: too small checkpoint size: %zu bytes.\n",
+		       cpsize);
+		return -EINVAL;
+	}
+
 	cpfile = nilfs_iget_locked(sb, NULL, NILFS_CPFILE_INO);
 	if (unlikely(!cpfile))
 		return -ENOMEM;
diff --git a/fs/nilfs2/dat.c b/fs/nilfs2/dat.c
index fa0f80308c2d..0d5fada91191 100644
--- a/fs/nilfs2/dat.c
+++ b/fs/nilfs2/dat.c
@@ -484,6 +484,18 @@ int nilfs_dat_read(struct super_block *sb, size_t entry_size,
 	struct nilfs_dat_info *di;
 	int err;
 
+	if (entry_size > sb->s_blocksize) {
+		printk(KERN_ERR
+		       "NILFS: too large DAT entry size: %zu bytes.\n",
+		       entry_size);
+		return -EINVAL;
+	} else if (entry_size < NILFS_MIN_DAT_ENTRY_SIZE) {
+		printk(KERN_ERR
+		       "NILFS: too small DAT entry size: %zu bytes.\n",
+		       entry_size);
+		return -EINVAL;
+	}
+
 	dat = nilfs_iget_locked(sb, NULL, NILFS_DAT_INO);
 	if (unlikely(!dat))
 		return -ENOMEM;
diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c
index 08fdb77852ac..f3a82fbcae02 100644
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
@@ -134,6 +134,7 @@ static int nilfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 
 static const struct vm_operations_struct nilfs_file_vm_ops = {
 	.fault		= filemap_fault,
+	.map_pages	= filemap_map_pages,
 	.page_mkwrite	= nilfs_page_mkwrite,
 	.remap_pages	= generic_file_remap_pages,
 };
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 7e350c562e0e..b9c5726120e3 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -783,16 +783,14 @@ void nilfs_evict_inode(struct inode *inode)
 	int ret;
 
 	if (inode->i_nlink || !ii->i_root || unlikely(is_bad_inode(inode))) {
-		if (inode->i_data.nrpages)
-			truncate_inode_pages(&inode->i_data, 0);
+		truncate_inode_pages_final(&inode->i_data);
 		clear_inode(inode);
 		nilfs_clear_inode(inode);
 		return;
 	}
 	nilfs_transaction_begin(sb, &ti, 0); /* never fails */
 
-	if (inode->i_data.nrpages)
-		truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 
 	/* TODO: some of the following operations may fail.  */
 	nilfs_truncate_bmap(ii, 0);
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 2b34021948e4..422fb54b7377 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -1072,6 +1072,48 @@ out:
 }
 
 /**
+ * nilfs_ioctl_trim_fs() - trim ioctl handle function
+ * @inode: inode object
+ * @argp: pointer on argument from userspace
+ *
+ * Decription: nilfs_ioctl_trim_fs is the FITRIM ioctl handle function. It
+ * checks the arguments from userspace and calls nilfs_sufile_trim_fs, which
+ * performs the actual trim operation.
+ *
+ * Return Value: On success, 0 is returned or negative error code, otherwise.
+ */
+static int nilfs_ioctl_trim_fs(struct inode *inode, void __user *argp)
+{
+	struct the_nilfs *nilfs = inode->i_sb->s_fs_info;
+	struct request_queue *q = bdev_get_queue(nilfs->ns_bdev);
+	struct fstrim_range range;
+	int ret;
+
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
+	if (!blk_queue_discard(q))
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&range, argp, sizeof(range)))
+		return -EFAULT;
+
+	range.minlen = max_t(u64, range.minlen, q->limits.discard_granularity);
+
+	down_read(&nilfs->ns_segctor_sem);
+	ret = nilfs_sufile_trim_fs(nilfs->ns_sufile, &range);
+	up_read(&nilfs->ns_segctor_sem);
+
+	if (ret < 0)
+		return ret;
+
+	if (copy_to_user(argp, &range, sizeof(range)))
+		return -EFAULT;
+
+	return 0;
+}
+
+/**
  * nilfs_ioctl_set_alloc_range - limit range of segments to be allocated
  * @inode: inode object
  * @argp: pointer on argument from userspace
@@ -1163,6 +1205,95 @@ static int nilfs_ioctl_get_info(struct inode *inode, struct file *filp,
 	return ret;
 }
 
+/**
+ * nilfs_ioctl_set_suinfo - set segment usage info
+ * @inode: inode object
+ * @filp: file object
+ * @cmd: ioctl's request code
+ * @argp: pointer on argument from userspace
+ *
+ * Description: Expects an array of nilfs_suinfo_update structures
+ * encapsulated in nilfs_argv and updates the segment usage info
+ * according to the flags in nilfs_suinfo_update.
+ *
+ * Return Value: On success, 0 is returned. On error, one of the
+ * following negative error codes is returned.
+ *
+ * %-EPERM - Not enough permissions
+ *
+ * %-EFAULT - Error copying input data
+ *
+ * %-EIO - I/O error.
+ *
+ * %-ENOMEM - Insufficient amount of memory available.
+ *
+ * %-EINVAL - Invalid values in input (segment number, flags or nblocks)
+ */
+static int nilfs_ioctl_set_suinfo(struct inode *inode, struct file *filp,
+				unsigned int cmd, void __user *argp)
+{
+	struct the_nilfs *nilfs = inode->i_sb->s_fs_info;
+	struct nilfs_transaction_info ti;
+	struct nilfs_argv argv;
+	size_t len;
+	void __user *base;
+	void *kbuf;
+	int ret;
+
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
+	ret = mnt_want_write_file(filp);
+	if (ret)
+		return ret;
+
+	ret = -EFAULT;
+	if (copy_from_user(&argv, argp, sizeof(argv)))
+		goto out;
+
+	ret = -EINVAL;
+	if (argv.v_size < sizeof(struct nilfs_suinfo_update))
+		goto out;
+
+	if (argv.v_nmembs > nilfs->ns_nsegments)
+		goto out;
+
+	if (argv.v_nmembs >= UINT_MAX / argv.v_size)
+		goto out;
+
+	len = argv.v_size * argv.v_nmembs;
+	if (!len) {
+		ret = 0;
+		goto out;
+	}
+
+	base = (void __user *)(unsigned long)argv.v_base;
+	kbuf = vmalloc(len);
+	if (!kbuf) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	if (copy_from_user(kbuf, base, len)) {
+		ret = -EFAULT;
+		goto out_free;
+	}
+
+	nilfs_transaction_begin(inode->i_sb, &ti, 0);
+	ret = nilfs_sufile_set_suinfo(nilfs->ns_sufile, kbuf, argv.v_size,
+			argv.v_nmembs);
+	if (unlikely(ret < 0))
+		nilfs_transaction_abort(inode->i_sb);
+	else
+		nilfs_transaction_commit(inode->i_sb); /* never fails */
+
+out_free:
+	vfree(kbuf);
+out:
+	mnt_drop_write_file(filp);
+	return ret;
+}
+
 long nilfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
 	struct inode *inode = file_inode(filp);
@@ -1189,6 +1320,8 @@ long nilfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		return nilfs_ioctl_get_info(inode, filp, cmd, argp,
 					    sizeof(struct nilfs_suinfo),
 					    nilfs_ioctl_do_get_suinfo);
+	case NILFS_IOCTL_SET_SUINFO:
+		return nilfs_ioctl_set_suinfo(inode, filp, cmd, argp);
 	case NILFS_IOCTL_GET_SUSTAT:
 		return nilfs_ioctl_get_sustat(inode, filp, cmd, argp);
 	case NILFS_IOCTL_GET_VINFO:
@@ -1205,6 +1338,8 @@ long nilfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		return nilfs_ioctl_resize(inode, filp, argp);
 	case NILFS_IOCTL_SET_ALLOC_RANGE:
 		return nilfs_ioctl_set_alloc_range(inode, argp);
+	case FITRIM:
+		return nilfs_ioctl_trim_fs(inode, argp);
 	default:
 		return -ENOTTY;
 	}
@@ -1228,6 +1363,7 @@ long nilfs_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	case NILFS_IOCTL_GET_CPINFO:
 	case NILFS_IOCTL_GET_CPSTAT:
 	case NILFS_IOCTL_GET_SUINFO:
+	case NILFS_IOCTL_SET_SUINFO:
 	case NILFS_IOCTL_GET_SUSTAT:
 	case NILFS_IOCTL_GET_VINFO:
 	case NILFS_IOCTL_GET_BDESCS:
@@ -1235,6 +1371,7 @@ long nilfs_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	case NILFS_IOCTL_SYNC:
 	case NILFS_IOCTL_RESIZE:
 	case NILFS_IOCTL_SET_ALLOC_RANGE:
+	case FITRIM:
 		break;
 	default:
 		return -ENOIOCTLCMD;
diff --git a/fs/nilfs2/sufile.c b/fs/nilfs2/sufile.c
index 3127e9f438a7..2a869c35c362 100644
--- a/fs/nilfs2/sufile.c
+++ b/fs/nilfs2/sufile.c
@@ -870,6 +870,289 @@ ssize_t nilfs_sufile_get_suinfo(struct inode *sufile, __u64 segnum, void *buf,
 }
 
 /**
+ * nilfs_sufile_set_suinfo - sets segment usage info
+ * @sufile: inode of segment usage file
+ * @buf: array of suinfo_update
+ * @supsz: byte size of suinfo_update
+ * @nsup: size of suinfo_update array
+ *
+ * Description: Takes an array of nilfs_suinfo_update structs and updates
+ * segment usage accordingly. Only the fields indicated by the sup_flags
+ * are updated.
+ *
+ * Return Value: On success, 0 is returned. On error, one of the
+ * following negative error codes is returned.
+ *
+ * %-EIO - I/O error.
+ *
+ * %-ENOMEM - Insufficient amount of memory available.
+ *
+ * %-EINVAL - Invalid values in input (segment number, flags or nblocks)
+ */
+ssize_t nilfs_sufile_set_suinfo(struct inode *sufile, void *buf,
+				unsigned supsz, size_t nsup)
+{
+	struct the_nilfs *nilfs = sufile->i_sb->s_fs_info;
+	struct buffer_head *header_bh, *bh;
+	struct nilfs_suinfo_update *sup, *supend = buf + supsz * nsup;
+	struct nilfs_segment_usage *su;
+	void *kaddr;
+	unsigned long blkoff, prev_blkoff;
+	int cleansi, cleansu, dirtysi, dirtysu;
+	long ncleaned = 0, ndirtied = 0;
+	int ret = 0;
+
+	if (unlikely(nsup == 0))
+		return ret;
+
+	for (sup = buf; sup < supend; sup = (void *)sup + supsz) {
+		if (sup->sup_segnum >= nilfs->ns_nsegments
+			|| (sup->sup_flags &
+				(~0UL << __NR_NILFS_SUINFO_UPDATE_FIELDS))
+			|| (nilfs_suinfo_update_nblocks(sup) &&
+				sup->sup_sui.sui_nblocks >
+				nilfs->ns_blocks_per_segment))
+			return -EINVAL;
+	}
+
+	down_write(&NILFS_MDT(sufile)->mi_sem);
+
+	ret = nilfs_sufile_get_header_block(sufile, &header_bh);
+	if (ret < 0)
+		goto out_sem;
+
+	sup = buf;
+	blkoff = nilfs_sufile_get_blkoff(sufile, sup->sup_segnum);
+	ret = nilfs_mdt_get_block(sufile, blkoff, 1, NULL, &bh);
+	if (ret < 0)
+		goto out_header;
+
+	for (;;) {
+		kaddr = kmap_atomic(bh->b_page);
+		su = nilfs_sufile_block_get_segment_usage(
+			sufile, sup->sup_segnum, bh, kaddr);
+
+		if (nilfs_suinfo_update_lastmod(sup))
+			su->su_lastmod = cpu_to_le64(sup->sup_sui.sui_lastmod);
+
+		if (nilfs_suinfo_update_nblocks(sup))
+			su->su_nblocks = cpu_to_le32(sup->sup_sui.sui_nblocks);
+
+		if (nilfs_suinfo_update_flags(sup)) {
+			/*
+			 * Active flag is a virtual flag projected by running
+			 * nilfs kernel code - drop it not to write it to
+			 * disk.
+			 */
+			sup->sup_sui.sui_flags &=
+					~(1UL << NILFS_SEGMENT_USAGE_ACTIVE);
+
+			cleansi = nilfs_suinfo_clean(&sup->sup_sui);
+			cleansu = nilfs_segment_usage_clean(su);
+			dirtysi = nilfs_suinfo_dirty(&sup->sup_sui);
+			dirtysu = nilfs_segment_usage_dirty(su);
+
+			if (cleansi && !cleansu)
+				++ncleaned;
+			else if (!cleansi && cleansu)
+				--ncleaned;
+
+			if (dirtysi && !dirtysu)
+				++ndirtied;
+			else if (!dirtysi && dirtysu)
+				--ndirtied;
+
+			su->su_flags = cpu_to_le32(sup->sup_sui.sui_flags);
+		}
+
+		kunmap_atomic(kaddr);
+
+		sup = (void *)sup + supsz;
+		if (sup >= supend)
+			break;
+
+		prev_blkoff = blkoff;
+		blkoff = nilfs_sufile_get_blkoff(sufile, sup->sup_segnum);
+		if (blkoff == prev_blkoff)
+			continue;
+
+		/* get different block */
+		mark_buffer_dirty(bh);
+		put_bh(bh);
+		ret = nilfs_mdt_get_block(sufile, blkoff, 1, NULL, &bh);
+		if (unlikely(ret < 0))
+			goto out_mark;
+	}
+	mark_buffer_dirty(bh);
+	put_bh(bh);
+
+ out_mark:
+	if (ncleaned || ndirtied) {
+		nilfs_sufile_mod_counter(header_bh, (u64)ncleaned,
+				(u64)ndirtied);
+		NILFS_SUI(sufile)->ncleansegs += ncleaned;
+	}
+	nilfs_mdt_mark_dirty(sufile);
+ out_header:
+	put_bh(header_bh);
+ out_sem:
+	up_write(&NILFS_MDT(sufile)->mi_sem);
+	return ret;
+}
+
+/**
+ * nilfs_sufile_trim_fs() - trim ioctl handle function
+ * @sufile: inode of segment usage file
+ * @range: fstrim_range structure
+ *
+ * start:	First Byte to trim
+ * len:		number of Bytes to trim from start
+ * minlen:	minimum extent length in Bytes
+ *
+ * Decription: nilfs_sufile_trim_fs goes through all segments containing bytes
+ * from start to start+len. start is rounded up to the next block boundary
+ * and start+len is rounded down. For each clean segment blkdev_issue_discard
+ * function is invoked.
+ *
+ * Return Value: On success, 0 is returned or negative error code, otherwise.
+ */
+int nilfs_sufile_trim_fs(struct inode *sufile, struct fstrim_range *range)
+{
+	struct the_nilfs *nilfs = sufile->i_sb->s_fs_info;
+	struct buffer_head *su_bh;
+	struct nilfs_segment_usage *su;
+	void *kaddr;
+	size_t n, i, susz = NILFS_MDT(sufile)->mi_entry_size;
+	sector_t seg_start, seg_end, start_block, end_block;
+	sector_t start = 0, nblocks = 0;
+	u64 segnum, segnum_end, minlen, len, max_blocks, ndiscarded = 0;
+	int ret = 0;
+	unsigned int sects_per_block;
+
+	sects_per_block = (1 << nilfs->ns_blocksize_bits) /
+			bdev_logical_block_size(nilfs->ns_bdev);
+	len = range->len >> nilfs->ns_blocksize_bits;
+	minlen = range->minlen >> nilfs->ns_blocksize_bits;
+	max_blocks = ((u64)nilfs->ns_nsegments * nilfs->ns_blocks_per_segment);
+
+	if (!len || range->start >= max_blocks << nilfs->ns_blocksize_bits)
+		return -EINVAL;
+
+	start_block = (range->start + nilfs->ns_blocksize - 1) >>
+			nilfs->ns_blocksize_bits;
+
+	/*
+	 * range->len can be very large (actually, it is set to
+	 * ULLONG_MAX by default) - truncate upper end of the range
+	 * carefully so as not to overflow.
+	 */
+	if (max_blocks - start_block < len)
+		end_block = max_blocks - 1;
+	else
+		end_block = start_block + len - 1;
+
+	segnum = nilfs_get_segnum_of_block(nilfs, start_block);
+	segnum_end = nilfs_get_segnum_of_block(nilfs, end_block);
+
+	down_read(&NILFS_MDT(sufile)->mi_sem);
+
+	while (segnum <= segnum_end) {
+		n = nilfs_sufile_segment_usages_in_block(sufile, segnum,
+				segnum_end);
+
+		ret = nilfs_sufile_get_segment_usage_block(sufile, segnum, 0,
+							   &su_bh);
+		if (ret < 0) {
+			if (ret != -ENOENT)
+				goto out_sem;
+			/* hole */
+			segnum += n;
+			continue;
+		}
+
+		kaddr = kmap_atomic(su_bh->b_page);
+		su = nilfs_sufile_block_get_segment_usage(sufile, segnum,
+				su_bh, kaddr);
+		for (i = 0; i < n; ++i, ++segnum, su = (void *)su + susz) {
+			if (!nilfs_segment_usage_clean(su))
+				continue;
+
+			nilfs_get_segment_range(nilfs, segnum, &seg_start,
+						&seg_end);
+
+			if (!nblocks) {
+				/* start new extent */
+				start = seg_start;
+				nblocks = seg_end - seg_start + 1;
+				continue;
+			}
+
+			if (start + nblocks == seg_start) {
+				/* add to previous extent */
+				nblocks += seg_end - seg_start + 1;
+				continue;
+			}
+
+			/* discard previous extent */
+			if (start < start_block) {
+				nblocks -= start_block - start;
+				start = start_block;
+			}
+
+			if (nblocks >= minlen) {
+				kunmap_atomic(kaddr);
+
+				ret = blkdev_issue_discard(nilfs->ns_bdev,
+						start * sects_per_block,
+						nblocks * sects_per_block,
+						GFP_NOFS, 0);
+				if (ret < 0) {
+					put_bh(su_bh);
+					goto out_sem;
+				}
+
+				ndiscarded += nblocks;
+				kaddr = kmap_atomic(su_bh->b_page);
+				su = nilfs_sufile_block_get_segment_usage(
+					sufile, segnum, su_bh, kaddr);
+			}
+
+			/* start new extent */
+			start = seg_start;
+			nblocks = seg_end - seg_start + 1;
+		}
+		kunmap_atomic(kaddr);
+		put_bh(su_bh);
+	}
+
+
+	if (nblocks) {
+		/* discard last extent */
+		if (start < start_block) {
+			nblocks -= start_block - start;
+			start = start_block;
+		}
+		if (start + nblocks > end_block + 1)
+			nblocks = end_block - start + 1;
+
+		if (nblocks >= minlen) {
+			ret = blkdev_issue_discard(nilfs->ns_bdev,
+					start * sects_per_block,
+					nblocks * sects_per_block,
+					GFP_NOFS, 0);
+			if (!ret)
+				ndiscarded += nblocks;
+		}
+	}
+
+out_sem:
+	up_read(&NILFS_MDT(sufile)->mi_sem);
+
+	range->len = ndiscarded << nilfs->ns_blocksize_bits;
+	return ret;
+}
+
+/**
  * nilfs_sufile_read - read or get sufile inode
  * @sb: super block instance
  * @susize: size of a segment usage entry
@@ -886,6 +1169,18 @@ int nilfs_sufile_read(struct super_block *sb, size_t susize,
 	void *kaddr;
 	int err;
 
+	if (susize > sb->s_blocksize) {
+		printk(KERN_ERR
+		       "NILFS: too large segment usage size: %zu bytes.\n",
+		       susize);
+		return -EINVAL;
+	} else if (susize < NILFS_MIN_SEGMENT_USAGE_SIZE) {
+		printk(KERN_ERR
+		       "NILFS: too small segment usage size: %zu bytes.\n",
+		       susize);
+		return -EINVAL;
+	}
+
 	sufile = nilfs_iget_locked(sb, NULL, NILFS_SUFILE_INO);
 	if (unlikely(!sufile))
 		return -ENOMEM;
diff --git a/fs/nilfs2/sufile.h b/fs/nilfs2/sufile.h
index e84bc5b51fc1..b8afd72f2379 100644
--- a/fs/nilfs2/sufile.h
+++ b/fs/nilfs2/sufile.h
@@ -44,6 +44,7 @@ int nilfs_sufile_set_segment_usage(struct inode *sufile, __u64 segnum,
 int nilfs_sufile_get_stat(struct inode *, struct nilfs_sustat *);
 ssize_t nilfs_sufile_get_suinfo(struct inode *, __u64, void *, unsigned,
 				size_t);
+ssize_t nilfs_sufile_set_suinfo(struct inode *, void *, unsigned , size_t);
 
 int nilfs_sufile_updatev(struct inode *, __u64 *, size_t, int, size_t *,
 			 void (*dofunc)(struct inode *, __u64,
@@ -65,6 +66,7 @@ void nilfs_sufile_do_set_error(struct inode *, __u64, struct buffer_head *,
 int nilfs_sufile_resize(struct inode *sufile, __u64 newnsegs);
 int nilfs_sufile_read(struct super_block *sb, size_t susize,
 		      struct nilfs_inode *raw_inode, struct inode **inodep);
+int nilfs_sufile_trim_fs(struct inode *sufile, struct fstrim_range *range);
 
 /**
  * nilfs_sufile_scrap - make a segment garbage
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 94c451ce6d24..8ba8229ba076 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -399,6 +399,16 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs,
 		return -EINVAL;
 
 	nilfs->ns_inode_size = le16_to_cpu(sbp->s_inode_size);
+	if (nilfs->ns_inode_size > nilfs->ns_blocksize) {
+		printk(KERN_ERR "NILFS: too large inode size: %d bytes.\n",
+		       nilfs->ns_inode_size);
+		return -EINVAL;
+	} else if (nilfs->ns_inode_size < NILFS_MIN_INODE_SIZE) {
+		printk(KERN_ERR "NILFS: too small inode size: %d bytes.\n",
+		       nilfs->ns_inode_size);
+		return -EINVAL;
+	}
+
 	nilfs->ns_first_ino = le32_to_cpu(sbp->s_first_ino);
 
 	nilfs->ns_blocks_per_segment = le32_to_cpu(sbp->s_blocks_per_segment);
diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c
index dc638f786d5c..ee9cb3795c2b 100644
--- a/fs/notify/fanotify/fanotify.c
+++ b/fs/notify/fanotify/fanotify.c
@@ -60,8 +60,8 @@ static int fanotify_merge(struct list_head *list, struct fsnotify_event *event)
 }
 
 #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
-static int fanotify_get_response_from_access(struct fsnotify_group *group,
-					     struct fanotify_event_info *event)
+static int fanotify_get_response(struct fsnotify_group *group,
+				 struct fanotify_perm_event_info *event)
 {
 	int ret;
 
@@ -142,6 +142,40 @@ static bool fanotify_should_send_event(struct fsnotify_mark *inode_mark,
 	return false;
 }
 
+struct fanotify_event_info *fanotify_alloc_event(struct inode *inode, u32 mask,
+						 struct path *path)
+{
+	struct fanotify_event_info *event;
+
+#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
+	if (mask & FAN_ALL_PERM_EVENTS) {
+		struct fanotify_perm_event_info *pevent;
+
+		pevent = kmem_cache_alloc(fanotify_perm_event_cachep,
+					  GFP_KERNEL);
+		if (!pevent)
+			return NULL;
+		event = &pevent->fae;
+		pevent->response = 0;
+		goto init;
+	}
+#endif
+	event = kmem_cache_alloc(fanotify_event_cachep, GFP_KERNEL);
+	if (!event)
+		return NULL;
+init: __maybe_unused
+	fsnotify_init_event(&event->fse, inode, mask);
+	event->tgid = get_pid(task_tgid(current));
+	if (path) {
+		event->path = *path;
+		path_get(&event->path);
+	} else {
+		event->path.mnt = NULL;
+		event->path.dentry = NULL;
+	}
+	return event;
+}
+
 static int fanotify_handle_event(struct fsnotify_group *group,
 				 struct inode *inode,
 				 struct fsnotify_mark *inode_mark,
@@ -171,25 +205,11 @@ static int fanotify_handle_event(struct fsnotify_group *group,
 	pr_debug("%s: group=%p inode=%p mask=%x\n", __func__, group, inode,
 		 mask);
 
-	event = kmem_cache_alloc(fanotify_event_cachep, GFP_KERNEL);
+	event = fanotify_alloc_event(inode, mask, data);
 	if (unlikely(!event))
 		return -ENOMEM;
 
 	fsn_event = &event->fse;
-	fsnotify_init_event(fsn_event, inode, mask);
-	event->tgid = get_pid(task_tgid(current));
-	if (data_type == FSNOTIFY_EVENT_PATH) {
-		struct path *path = data;
-		event->path = *path;
-		path_get(&event->path);
-	} else {
-		event->path.mnt = NULL;
-		event->path.dentry = NULL;
-	}
-#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
-	event->response = 0;
-#endif
-
 	ret = fsnotify_add_notify_event(group, fsn_event, fanotify_merge);
 	if (ret) {
 		/* Permission events shouldn't be merged */
@@ -202,7 +222,7 @@ static int fanotify_handle_event(struct fsnotify_group *group,
 
 #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
 	if (mask & FAN_ALL_PERM_EVENTS) {
-		ret = fanotify_get_response_from_access(group, event);
+		ret = fanotify_get_response(group, FANOTIFY_PE(fsn_event));
 		fsnotify_destroy_event(group, fsn_event);
 	}
 #endif
@@ -225,6 +245,13 @@ static void fanotify_free_event(struct fsnotify_event *fsn_event)
 	event = FANOTIFY_E(fsn_event);
 	path_put(&event->path);
 	put_pid(event->tgid);
+#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
+	if (fsn_event->mask & FAN_ALL_PERM_EVENTS) {
+		kmem_cache_free(fanotify_perm_event_cachep,
+				FANOTIFY_PE(fsn_event));
+		return;
+	}
+#endif
 	kmem_cache_free(fanotify_event_cachep, event);
 }
 
diff --git a/fs/notify/fanotify/fanotify.h b/fs/notify/fanotify/fanotify.h
index 32a2f034fb94..2a5fb14115df 100644
--- a/fs/notify/fanotify/fanotify.h
+++ b/fs/notify/fanotify/fanotify.h
@@ -3,13 +3,12 @@
 #include <linux/slab.h>
 
 extern struct kmem_cache *fanotify_event_cachep;
+extern struct kmem_cache *fanotify_perm_event_cachep;
 
 /*
- * Lifetime of the structure differs for normal and permission events. In both
- * cases the structure is allocated in fanotify_handle_event(). For normal
- * events the structure is freed immediately after reporting it to userspace.
- * For permission events we free it only after we receive response from
- * userspace.
+ * Structure for normal fanotify events. It gets allocated in
+ * fanotify_handle_event() and freed when the information is retrieved by
+ * userspace
  */
 struct fanotify_event_info {
 	struct fsnotify_event fse;
@@ -19,12 +18,33 @@ struct fanotify_event_info {
 	 */
 	struct path path;
 	struct pid *tgid;
+};
+
 #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
-	u32 response;	/* userspace answer to question */
-#endif
+/*
+ * Structure for permission fanotify events. It gets allocated and freed in
+ * fanotify_handle_event() since we wait there for user response. When the
+ * information is retrieved by userspace the structure is moved from
+ * group->notification_list to group->fanotify_data.access_list to wait for
+ * user response.
+ */
+struct fanotify_perm_event_info {
+	struct fanotify_event_info fae;
+	int response;	/* userspace answer to question */
+	int fd;		/* fd we passed to userspace for this event */
 };
 
+static inline struct fanotify_perm_event_info *
+FANOTIFY_PE(struct fsnotify_event *fse)
+{
+	return container_of(fse, struct fanotify_perm_event_info, fae.fse);
+}
+#endif
+
 static inline struct fanotify_event_info *FANOTIFY_E(struct fsnotify_event *fse)
 {
 	return container_of(fse, struct fanotify_event_info, fse);
 }
+
+struct fanotify_event_info *fanotify_alloc_event(struct inode *inode, u32 mask,
+						 struct path *path);
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 287a22c04149..4e565c814309 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -28,14 +28,8 @@
 extern const struct fsnotify_ops fanotify_fsnotify_ops;
 
 static struct kmem_cache *fanotify_mark_cache __read_mostly;
-static struct kmem_cache *fanotify_response_event_cache __read_mostly;
 struct kmem_cache *fanotify_event_cachep __read_mostly;
-
-struct fanotify_response_event {
-	struct list_head list;
-	__s32 fd;
-	struct fanotify_event_info *event;
-};
+struct kmem_cache *fanotify_perm_event_cachep __read_mostly;
 
 /*
  * Get an fsnotify notification event if one exists and is small
@@ -135,33 +129,34 @@ static int fill_event_metadata(struct fsnotify_group *group,
 }
 
 #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
-static struct fanotify_response_event *dequeue_re(struct fsnotify_group *group,
-						  __s32 fd)
+static struct fanotify_perm_event_info *dequeue_event(
+				struct fsnotify_group *group, int fd)
 {
-	struct fanotify_response_event *re, *return_re = NULL;
+	struct fanotify_perm_event_info *event, *return_e = NULL;
 
-	mutex_lock(&group->fanotify_data.access_mutex);
-	list_for_each_entry(re, &group->fanotify_data.access_list, list) {
-		if (re->fd != fd)
+	spin_lock(&group->fanotify_data.access_lock);
+	list_for_each_entry(event, &group->fanotify_data.access_list,
+			    fae.fse.list) {
+		if (event->fd != fd)
 			continue;
 
-		list_del_init(&re->list);
-		return_re = re;
+		list_del_init(&event->fae.fse.list);
+		return_e = event;
 		break;
 	}
-	mutex_unlock(&group->fanotify_data.access_mutex);
+	spin_unlock(&group->fanotify_data.access_lock);
 
-	pr_debug("%s: found return_re=%p\n", __func__, return_re);
+	pr_debug("%s: found return_re=%p\n", __func__, return_e);
 
-	return return_re;
+	return return_e;
 }
 
 static int process_access_response(struct fsnotify_group *group,
 				   struct fanotify_response *response_struct)
 {
-	struct fanotify_response_event *re;
-	__s32 fd = response_struct->fd;
-	__u32 response = response_struct->response;
+	struct fanotify_perm_event_info *event;
+	int fd = response_struct->fd;
+	int response = response_struct->response;
 
 	pr_debug("%s: group=%p fd=%d response=%d\n", __func__, group,
 		 fd, response);
@@ -181,58 +176,15 @@ static int process_access_response(struct fsnotify_group *group,
 	if (fd < 0)
 		return -EINVAL;
 
-	re = dequeue_re(group, fd);
-	if (!re)
+	event = dequeue_event(group, fd);
+	if (!event)
 		return -ENOENT;
 
-	re->event->response = response;
-
+	event->response = response;
 	wake_up(&group->fanotify_data.access_waitq);
 
-	kmem_cache_free(fanotify_response_event_cache, re);
-
-	return 0;
-}
-
-static int prepare_for_access_response(struct fsnotify_group *group,
-				       struct fsnotify_event *event,
-				       __s32 fd)
-{
-	struct fanotify_response_event *re;
-
-	if (!(event->mask & FAN_ALL_PERM_EVENTS))
-		return 0;
-
-	re = kmem_cache_alloc(fanotify_response_event_cache, GFP_KERNEL);
-	if (!re)
-		return -ENOMEM;
-
-	re->event = FANOTIFY_E(event);
-	re->fd = fd;
-
-	mutex_lock(&group->fanotify_data.access_mutex);
-
-	if (atomic_read(&group->fanotify_data.bypass_perm)) {
-		mutex_unlock(&group->fanotify_data.access_mutex);
-		kmem_cache_free(fanotify_response_event_cache, re);
-		FANOTIFY_E(event)->response = FAN_ALLOW;
-		return 0;
-	}
-		
-	list_add_tail(&re->list, &group->fanotify_data.access_list);
-	mutex_unlock(&group->fanotify_data.access_mutex);
-
-	return 0;
-}
-
-#else
-static int prepare_for_access_response(struct fsnotify_group *group,
-				       struct fsnotify_event *event,
-				       __s32 fd)
-{
 	return 0;
 }
-
 #endif
 
 static ssize_t copy_event_to_user(struct fsnotify_group *group,
@@ -247,7 +199,7 @@ static ssize_t copy_event_to_user(struct fsnotify_group *group,
 
 	ret = fill_event_metadata(group, &fanotify_event_metadata, event, &f);
 	if (ret < 0)
-		goto out;
+		return ret;
 
 	fd = fanotify_event_metadata.fd;
 	ret = -EFAULT;
@@ -255,9 +207,10 @@ static ssize_t copy_event_to_user(struct fsnotify_group *group,
 			 fanotify_event_metadata.event_len))
 		goto out_close_fd;
 
-	ret = prepare_for_access_response(group, event, fd);
-	if (ret)
-		goto out_close_fd;
+#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
+	if (event->mask & FAN_ALL_PERM_EVENTS)
+		FANOTIFY_PE(event)->fd = fd;
+#endif
 
 	if (fd != FAN_NOFD)
 		fd_install(fd, f);
@@ -268,13 +221,6 @@ out_close_fd:
 		put_unused_fd(fd);
 		fput(f);
 	}
-out:
-#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
-	if (event->mask & FAN_ALL_PERM_EVENTS) {
-		FANOTIFY_E(event)->response = FAN_DENY;
-		wake_up(&group->fanotify_data.access_waitq);
-	}
-#endif
 	return ret;
 }
 
@@ -314,35 +260,50 @@ static ssize_t fanotify_read(struct file *file, char __user *buf,
 		kevent = get_one_event(group, count);
 		mutex_unlock(&group->notification_mutex);
 
-		if (kevent) {
+		if (IS_ERR(kevent)) {
 			ret = PTR_ERR(kevent);
-			if (IS_ERR(kevent))
+			break;
+		}
+
+		if (!kevent) {
+			ret = -EAGAIN;
+			if (file->f_flags & O_NONBLOCK)
 				break;
-			ret = copy_event_to_user(group, kevent, buf);
-			/*
-			 * Permission events get destroyed after we
-			 * receive response
-			 */
-			if (!(kevent->mask & FAN_ALL_PERM_EVENTS))
-				fsnotify_destroy_event(group, kevent);
-			if (ret < 0)
+
+			ret = -ERESTARTSYS;
+			if (signal_pending(current))
+				break;
+
+			if (start != buf)
 				break;
-			buf += ret;
-			count -= ret;
+			schedule();
 			continue;
 		}
 
-		ret = -EAGAIN;
-		if (file->f_flags & O_NONBLOCK)
-			break;
-		ret = -ERESTARTSYS;
-		if (signal_pending(current))
-			break;
-
-		if (start != buf)
-			break;
-
-		schedule();
+		ret = copy_event_to_user(group, kevent, buf);
+		/*
+		 * Permission events get queued to wait for response.  Other
+		 * events can be destroyed now.
+		 */
+		if (!(kevent->mask & FAN_ALL_PERM_EVENTS)) {
+			fsnotify_destroy_event(group, kevent);
+			if (ret < 0)
+				break;
+		} else {
+#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
+			if (ret < 0) {
+				FANOTIFY_PE(kevent)->response = FAN_DENY;
+				wake_up(&group->fanotify_data.access_waitq);
+				break;
+			}
+			spin_lock(&group->fanotify_data.access_lock);
+			list_add_tail(&kevent->list,
+				      &group->fanotify_data.access_list);
+			spin_unlock(&group->fanotify_data.access_lock);
+#endif
+		}
+		buf += ret;
+		count -= ret;
 	}
 
 	finish_wait(&group->notification_waitq, &wait);
@@ -383,22 +344,21 @@ static int fanotify_release(struct inode *ignored, struct file *file)
 	struct fsnotify_group *group = file->private_data;
 
 #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
-	struct fanotify_response_event *re, *lre;
+	struct fanotify_perm_event_info *event, *next;
 
-	mutex_lock(&group->fanotify_data.access_mutex);
+	spin_lock(&group->fanotify_data.access_lock);
 
 	atomic_inc(&group->fanotify_data.bypass_perm);
 
-	list_for_each_entry_safe(re, lre, &group->fanotify_data.access_list, list) {
-		pr_debug("%s: found group=%p re=%p event=%p\n", __func__, group,
-			 re, re->event);
+	list_for_each_entry_safe(event, next, &group->fanotify_data.access_list,
+				 fae.fse.list) {
+		pr_debug("%s: found group=%p event=%p\n", __func__, group,
+			 event);
 
-		list_del_init(&re->list);
-		re->event->response = FAN_ALLOW;
-
-		kmem_cache_free(fanotify_response_event_cache, re);
+		list_del_init(&event->fae.fse.list);
+		event->response = FAN_ALLOW;
 	}
-	mutex_unlock(&group->fanotify_data.access_mutex);
+	spin_unlock(&group->fanotify_data.access_lock);
 
 	wake_up(&group->fanotify_data.access_waitq);
 #endif
@@ -731,21 +691,16 @@ SYSCALL_DEFINE2(fanotify_init, unsigned int, flags, unsigned int, event_f_flags)
 	group->fanotify_data.user = user;
 	atomic_inc(&user->fanotify_listeners);
 
-	oevent = kmem_cache_alloc(fanotify_event_cachep, GFP_KERNEL);
+	oevent = fanotify_alloc_event(NULL, FS_Q_OVERFLOW, NULL);
 	if (unlikely(!oevent)) {
 		fd = -ENOMEM;
 		goto out_destroy_group;
 	}
 	group->overflow_event = &oevent->fse;
-	fsnotify_init_event(group->overflow_event, NULL, FS_Q_OVERFLOW);
-	oevent->tgid = get_pid(task_tgid(current));
-	oevent->path.mnt = NULL;
-	oevent->path.dentry = NULL;
 
 	group->fanotify_data.f_flags = event_f_flags;
 #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
-	oevent->response = 0;
-	mutex_init(&group->fanotify_data.access_mutex);
+	spin_lock_init(&group->fanotify_data.access_lock);
 	init_waitqueue_head(&group->fanotify_data.access_waitq);
 	INIT_LIST_HEAD(&group->fanotify_data.access_list);
 	atomic_set(&group->fanotify_data.bypass_perm, 0);
@@ -920,9 +875,11 @@ COMPAT_SYSCALL_DEFINE6(fanotify_mark,
 static int __init fanotify_user_setup(void)
 {
 	fanotify_mark_cache = KMEM_CACHE(fsnotify_mark, SLAB_PANIC);
-	fanotify_response_event_cache = KMEM_CACHE(fanotify_response_event,
-						   SLAB_PANIC);
 	fanotify_event_cachep = KMEM_CACHE(fanotify_event_info, SLAB_PANIC);
+#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
+	fanotify_perm_event_cachep = KMEM_CACHE(fanotify_perm_event_info,
+						SLAB_PANIC);
+#endif
 
 	return 0;
 }
diff --git a/fs/ntfs/debug.c b/fs/ntfs/debug.c
index 807150e2c2b9..dd6103cc93c1 100644
--- a/fs/ntfs/debug.c
+++ b/fs/ntfs/debug.c
@@ -18,16 +18,9 @@
  * distribution in the file COPYING); if not, write to the Free Software
  * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
-
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #include "debug.h"
 
-/*
- * A static buffer to hold the error string being displayed and a spinlock
- * to protect concurrent accesses to it.
- */
-static char err_buf[1024];
-static DEFINE_SPINLOCK(err_buf_lock);
-
 /**
  * __ntfs_warning - output a warning to the syslog
  * @function:	name of function outputting the warning
@@ -50,6 +43,7 @@ static DEFINE_SPINLOCK(err_buf_lock);
 void __ntfs_warning(const char *function, const struct super_block *sb,
 		const char *fmt, ...)
 {
+	struct va_format vaf;
 	va_list args;
 	int flen = 0;
 
@@ -59,17 +53,15 @@ void __ntfs_warning(const char *function, const struct super_block *sb,
 #endif
 	if (function)
 		flen = strlen(function);
-	spin_lock(&err_buf_lock);
 	va_start(args, fmt);
-	vsnprintf(err_buf, sizeof(err_buf), fmt, args);
-	va_end(args);
+	vaf.fmt = fmt;
+	vaf.va = &args;
 	if (sb)
-		printk(KERN_ERR "NTFS-fs warning (device %s): %s(): %s\n",
-				sb->s_id, flen ? function : "", err_buf);
+		pr_warn("(device %s): %s(): %pV\n",
+			sb->s_id, flen ? function : "", &vaf);
 	else
-		printk(KERN_ERR "NTFS-fs warning: %s(): %s\n",
-				flen ? function : "", err_buf);
-	spin_unlock(&err_buf_lock);
+		pr_warn("%s(): %pV\n", flen ? function : "", &vaf);
+	va_end(args);
 }
 
 /**
@@ -94,6 +86,7 @@ void __ntfs_warning(const char *function, const struct super_block *sb,
 void __ntfs_error(const char *function, const struct super_block *sb,
 		const char *fmt, ...)
 {
+	struct va_format vaf;
 	va_list args;
 	int flen = 0;
 
@@ -103,17 +96,15 @@ void __ntfs_error(const char *function, const struct super_block *sb,
 #endif
 	if (function)
 		flen = strlen(function);
-	spin_lock(&err_buf_lock);
 	va_start(args, fmt);
-	vsnprintf(err_buf, sizeof(err_buf), fmt, args);
-	va_end(args);
+	vaf.fmt = fmt;
+	vaf.va = &args;
 	if (sb)
-		printk(KERN_ERR "NTFS-fs error (device %s): %s(): %s\n",
-				sb->s_id, flen ? function : "", err_buf);
+		pr_err("(device %s): %s(): %pV\n",
+		       sb->s_id, flen ? function : "", &vaf);
 	else
-		printk(KERN_ERR "NTFS-fs error: %s(): %s\n",
-				flen ? function : "", err_buf);
-	spin_unlock(&err_buf_lock);
+		pr_err("%s(): %pV\n", flen ? function : "", &vaf);
+	va_end(args);
 }
 
 #ifdef DEBUG
@@ -124,6 +115,7 @@ int debug_msgs = 0;
 void __ntfs_debug (const char *file, int line, const char *function,
 		const char *fmt, ...)
 {
+	struct va_format vaf;
 	va_list args;
 	int flen = 0;
 
@@ -131,13 +123,11 @@ void __ntfs_debug (const char *file, int line, const char *function,
 		return;
 	if (function)
 		flen = strlen(function);
-	spin_lock(&err_buf_lock);
 	va_start(args, fmt);
-	vsnprintf(err_buf, sizeof(err_buf), fmt, args);
+	vaf.fmt = fmt;
+	vaf.va = &args;
+	pr_debug("(%s, %d): %s(): %pV", file, line, flen ? function : "", &vaf);
 	va_end(args);
-	printk(KERN_DEBUG "NTFS-fs DEBUG (%s, %d): %s(): %s\n", file, line,
-			flen ? function : "", err_buf);
-	spin_unlock(&err_buf_lock);
 }
 
 /* Dump a runlist. Caller has to provide synchronisation for @rl. */
@@ -149,12 +139,12 @@ void ntfs_debug_dump_runlist(const runlist_element *rl)
 
 	if (!debug_msgs)
 		return;
-	printk(KERN_DEBUG "NTFS-fs DEBUG: Dumping runlist (values in hex):\n");
+	pr_debug("Dumping runlist (values in hex):\n");
 	if (!rl) {
-		printk(KERN_DEBUG "Run list not present.\n");
+		pr_debug("Run list not present.\n");
 		return;
 	}
-	printk(KERN_DEBUG "VCN              LCN               Run length\n");
+	pr_debug("VCN              LCN               Run length\n");
 	for (i = 0; ; i++) {
 		LCN lcn = (rl + i)->lcn;
 
@@ -163,13 +153,13 @@ void ntfs_debug_dump_runlist(const runlist_element *rl)
 
 			if (index > -LCN_ENOENT - 1)
 				index = 3;
-			printk(KERN_DEBUG "%-16Lx %s %-16Lx%s\n",
+			pr_debug("%-16Lx %s %-16Lx%s\n",
 					(long long)(rl + i)->vcn, lcn_str[index],
 					(long long)(rl + i)->length,
 					(rl + i)->length ? "" :
 						" (runlist end)");
 		} else
-			printk(KERN_DEBUG "%-16Lx %-16Lx  %-16Lx%s\n",
+			pr_debug("%-16Lx %-16Lx  %-16Lx%s\n",
 					(long long)(rl + i)->vcn,
 					(long long)(rl + i)->lcn,
 					(long long)(rl + i)->length,
diff --git a/fs/ntfs/debug.h b/fs/ntfs/debug.h
index 53c27eaf2307..61bf091e32a8 100644
--- a/fs/ntfs/debug.h
+++ b/fs/ntfs/debug.h
@@ -48,7 +48,12 @@ extern void ntfs_debug_dump_runlist(const runlist_element *rl);
 
 #else	/* !DEBUG */
 
-#define ntfs_debug(f, a...)		do {} while (0)
+#define ntfs_debug(fmt, ...)						\
+do {									\
+	if (0)								\
+		no_printk(fmt, ##__VA_ARGS__);				\
+} while (0)
+
 #define ntfs_debug_dump_runlist(rl)	do {} while (0)
 
 #endif	/* !DEBUG */
diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index ffb9b3675736..9d8153ebacfb 100644
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -2259,7 +2259,7 @@ void ntfs_evict_big_inode(struct inode *vi)
 {
 	ntfs_inode *ni = NTFS_I(vi);
 
-	truncate_inode_pages(&vi->i_data, 0);
+	truncate_inode_pages_final(&vi->i_data);
 	clear_inode(vi);
 
 #ifdef NTFS_RW
diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
index bd5610d48242..9de2491f2926 100644
--- a/fs/ntfs/super.c
+++ b/fs/ntfs/super.c
@@ -19,6 +19,7 @@
  * distribution in the file COPYING); if not, write to the Free Software
  * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/stddef.h>
 #include <linux/init.h>
@@ -1896,7 +1897,7 @@ get_ctx_vol_failed:
 	vol->minor_ver = vi->minor_ver;
 	ntfs_attr_put_search_ctx(ctx);
 	unmap_mft_record(NTFS_I(vol->vol_ino));
-	printk(KERN_INFO "NTFS volume version %i.%i.\n", vol->major_ver,
+	pr_info("volume version %i.%i.\n", vol->major_ver,
 			vol->minor_ver);
 	if (vol->major_ver < 3 && NVolSparseEnabled(vol)) {
 		ntfs_warning(vol->sb, "Disabling sparse support due to NTFS "
@@ -3095,7 +3096,7 @@ static int __init init_ntfs_fs(void)
 	int err = 0;
 
 	/* This may be ugly but it results in pretty output so who cares. (-8 */
-	printk(KERN_INFO "NTFS driver " NTFS_VERSION " [Flags: R/"
+	pr_info("driver " NTFS_VERSION " [Flags: R/"
 #ifdef NTFS_RW
 			"W"
 #else
@@ -3115,16 +3116,15 @@ static int __init init_ntfs_fs(void)
 			sizeof(ntfs_index_context), 0 /* offset */,
 			SLAB_HWCACHE_ALIGN, NULL /* ctor */);
 	if (!ntfs_index_ctx_cache) {
-		printk(KERN_CRIT "NTFS: Failed to create %s!\n",
-				ntfs_index_ctx_cache_name);
+		pr_crit("Failed to create %s!\n", ntfs_index_ctx_cache_name);
 		goto ictx_err_out;
 	}
 	ntfs_attr_ctx_cache = kmem_cache_create(ntfs_attr_ctx_cache_name,
 			sizeof(ntfs_attr_search_ctx), 0 /* offset */,
 			SLAB_HWCACHE_ALIGN, NULL /* ctor */);
 	if (!ntfs_attr_ctx_cache) {
-		printk(KERN_CRIT "NTFS: Failed to create %s!\n",
-				ntfs_attr_ctx_cache_name);
+		pr_crit("NTFS: Failed to create %s!\n",
+			ntfs_attr_ctx_cache_name);
 		goto actx_err_out;
 	}
 
@@ -3132,8 +3132,7 @@ static int __init init_ntfs_fs(void)
 			(NTFS_MAX_NAME_LEN+1) * sizeof(ntfschar), 0,
 			SLAB_HWCACHE_ALIGN, NULL);
 	if (!ntfs_name_cache) {
-		printk(KERN_CRIT "NTFS: Failed to create %s!\n",
-				ntfs_name_cache_name);
+		pr_crit("Failed to create %s!\n", ntfs_name_cache_name);
 		goto name_err_out;
 	}
 
@@ -3141,8 +3140,7 @@ static int __init init_ntfs_fs(void)
 			sizeof(ntfs_inode), 0,
 			SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD, NULL);
 	if (!ntfs_inode_cache) {
-		printk(KERN_CRIT "NTFS: Failed to create %s!\n",
-				ntfs_inode_cache_name);
+		pr_crit("Failed to create %s!\n", ntfs_inode_cache_name);
 		goto inode_err_out;
 	}
 
@@ -3151,15 +3149,14 @@ static int __init init_ntfs_fs(void)
 			SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
 			ntfs_big_inode_init_once);
 	if (!ntfs_big_inode_cache) {
-		printk(KERN_CRIT "NTFS: Failed to create %s!\n",
-				ntfs_big_inode_cache_name);
+		pr_crit("Failed to create %s!\n", ntfs_big_inode_cache_name);
 		goto big_inode_err_out;
 	}
 
 	/* Register the ntfs sysctls. */
 	err = ntfs_sysctl(1);
 	if (err) {
-		printk(KERN_CRIT "NTFS: Failed to register NTFS sysctls!\n");
+		pr_crit("Failed to register NTFS sysctls!\n");
 		goto sysctl_err_out;
 	}
 
@@ -3168,7 +3165,7 @@ static int __init init_ntfs_fs(void)
 		ntfs_debug("NTFS driver registered successfully.");
 		return 0; /* Success! */
 	}
-	printk(KERN_CRIT "NTFS: Failed to register NTFS filesystem driver!\n");
+	pr_crit("Failed to register NTFS filesystem driver!\n");
 
 	/* Unregister the ntfs sysctls. */
 	ntfs_sysctl(0);
@@ -3184,8 +3181,7 @@ actx_err_out:
 	kmem_cache_destroy(ntfs_index_ctx_cache);
 ictx_err_out:
 	if (!err) {
-		printk(KERN_CRIT "NTFS: Aborting NTFS filesystem driver "
-				"registration...\n");
+		pr_crit("Aborting NTFS filesystem driver registration...\n");
 		err = -ENOMEM;
 	}
 	return err;
diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
index 555f4cddefe3..7e8282dcea2a 100644
--- a/fs/ocfs2/acl.c
+++ b/fs/ocfs2/acl.c
@@ -205,6 +205,7 @@ static int ocfs2_acl_set_mode(struct inode *inode, struct buffer_head *di_bh,
 	di->i_mode = cpu_to_le16(inode->i_mode);
 	di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
 	di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
+	ocfs2_update_inode_fsync_trans(handle, inode, 0);
 
 	ocfs2_journal_dirty(handle, di_bh);
 
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index e2edff38be52..b4deb5f750d9 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -5728,6 +5728,7 @@ int ocfs2_remove_btree_range(struct inode *inode,
 	}
 
 	ocfs2_et_update_clusters(et, -len);
+	ocfs2_update_inode_fsync_trans(handle, inode, 1);
 
 	ocfs2_journal_dirty(handle, et->et_root_bh);
 
@@ -6932,6 +6933,7 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
 	di->i_dyn_features = cpu_to_le16(oi->ip_dyn_features);
 	spin_unlock(&oi->ip_lock);
 
+	ocfs2_update_inode_fsync_trans(handle, inode, 1);
 	ocfs2_dinode_new_extent_list(inode, di);
 
 	ocfs2_journal_dirty(handle, di_bh);
@@ -7208,6 +7210,7 @@ int ocfs2_truncate_inline(struct inode *inode, struct buffer_head *di_bh,
 	di->i_ctime = di->i_mtime = cpu_to_le64(inode->i_ctime.tv_sec);
 	di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
 
+	ocfs2_update_inode_fsync_trans(handle, inode, 1);
 	ocfs2_journal_dirty(handle, di_bh);
 
 out_commit:
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index aeb44e879c51..d310d12a9adc 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -571,7 +571,6 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
 {
 	struct inode *inode = file_inode(iocb->ki_filp);
 	int level;
-	wait_queue_head_t *wq = ocfs2_ioend_wq(inode);
 
 	/* this io's submitter should not have unlocked this before we could */
 	BUG_ON(!ocfs2_iocb_is_rw_locked(iocb));
@@ -582,10 +581,7 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
 	if (ocfs2_iocb_is_unaligned_aio(iocb)) {
 		ocfs2_iocb_clear_unaligned_aio(iocb);
 
-		if (atomic_dec_and_test(&OCFS2_I(inode)->ip_unaligned_aio) &&
-		    waitqueue_active(wq)) {
-			wake_up_all(wq);
-		}
+		mutex_unlock(&OCFS2_I(inode)->ip_unaligned_aio);
 	}
 
 	ocfs2_iocb_clear_rw_locked(iocb);
@@ -2043,6 +2039,7 @@ out_write_size:
 	inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 	di->i_mtime = di->i_ctime = cpu_to_le64(inode->i_mtime.tv_sec);
 	di->i_mtime_nsec = di->i_ctime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec);
+	ocfs2_update_inode_fsync_trans(handle, inode, 1);
 	ocfs2_journal_dirty(handle, wc->w_di_bh);
 
 	ocfs2_commit_trans(osb, handle);
diff --git a/fs/ocfs2/aops.h b/fs/ocfs2/aops.h
index f671e49beb34..6cae155d54df 100644
--- a/fs/ocfs2/aops.h
+++ b/fs/ocfs2/aops.h
@@ -102,9 +102,4 @@ enum ocfs2_iocb_lock_bits {
 #define ocfs2_iocb_is_unaligned_aio(iocb) \
 	test_bit(OCFS2_IOCB_UNALIGNED_IO, (unsigned long *)&iocb->private)
 
-#define OCFS2_IOEND_WQ_HASH_SZ	37
-#define ocfs2_ioend_wq(v)   (&ocfs2__ioend_wq[((unsigned long)(v)) %\
-					    OCFS2_IOEND_WQ_HASH_SZ])
-extern wait_queue_head_t ocfs2__ioend_wq[OCFS2_IOEND_WQ_HASH_SZ];
-
 #endif /* OCFS2_FILE_H */
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index 2cd2406b4140..a3df40be6be2 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -262,17 +262,17 @@ static void o2net_update_recv_stats(struct o2net_sock_container *sc)
 
 #endif /* CONFIG_OCFS2_FS_STATS */
 
-static inline int o2net_reconnect_delay(void)
+static inline unsigned int o2net_reconnect_delay(void)
 {
 	return o2nm_single_cluster->cl_reconnect_delay_ms;
 }
 
-static inline int o2net_keepalive_delay(void)
+static inline unsigned int o2net_keepalive_delay(void)
 {
 	return o2nm_single_cluster->cl_keepalive_delay_ms;
 }
 
-static inline int o2net_idle_timeout(void)
+static inline unsigned int o2net_idle_timeout(void)
 {
 	return o2nm_single_cluster->cl_idle_timeout_ms;
 }
@@ -1826,7 +1826,7 @@ int o2net_register_hb_callbacks(void)
 
 /* ------------------------------------------------------------ */
 
-static int o2net_accept_one(struct socket *sock)
+static int o2net_accept_one(struct socket *sock, int *more)
 {
 	int ret, slen;
 	struct sockaddr_in sin;
@@ -1837,6 +1837,7 @@ static int o2net_accept_one(struct socket *sock)
 	struct o2net_node *nn;
 
 	BUG_ON(sock == NULL);
+	*more = 0;
 	ret = sock_create_lite(sock->sk->sk_family, sock->sk->sk_type,
 			       sock->sk->sk_protocol, &new_sock);
 	if (ret)
@@ -1848,6 +1849,7 @@ static int o2net_accept_one(struct socket *sock)
 	if (ret < 0)
 		goto out;
 
+	*more = 1;
 	new_sock->sk->sk_allocation = GFP_ATOMIC;
 
 	ret = o2net_set_nodelay(new_sock);
@@ -1949,8 +1951,15 @@ out:
 static void o2net_accept_many(struct work_struct *work)
 {
 	struct socket *sock = o2net_listen_sock;
-	while (o2net_accept_one(sock) == 0)
+	int	more;
+	int	err;
+
+	for (;;) {
+		err = o2net_accept_one(sock, &more);
+		if (!more)
+			break;
 		cond_resched();
+	}
 }
 
 static void o2net_listen_data_ready(struct sock *sk, int bytes)
@@ -1964,18 +1973,30 @@ static void o2net_listen_data_ready(struct sock *sk, int bytes)
 		goto out;
 	}
 
-	/* ->sk_data_ready is also called for a newly established child socket
-	 * before it has been accepted and the acceptor has set up their
-	 * data_ready.. we only want to queue listen work for our listening
-	 * socket */
+	/* This callback may called twice when a new connection
+	 * is  being established as a child socket inherits everything
+	 * from a parent LISTEN socket, including the data_ready cb of
+	 * the parent. This leads to a hazard. In o2net_accept_one()
+	 * we are still initializing the child socket but have not
+	 * changed the inherited data_ready callback yet when
+	 * data starts arriving.
+	 * We avoid this hazard by checking the state.
+	 * For the listening socket,  the state will be TCP_LISTEN; for the new
+	 * socket, will be  TCP_ESTABLISHED. Also, in this case,
+	 * sk->sk_user_data is not a valid function pointer.
+	 */
+
 	if (sk->sk_state == TCP_LISTEN) {
 		mlog(ML_TCP, "bytes: %d\n", bytes);
 		queue_work(o2net_wq, &o2net_listen_work);
+	} else {
+		ready = NULL;
 	}
 
 out:
 	read_unlock(&sk->sk_callback_lock);
-	ready(sk, bytes);
+	if (ready != NULL)
+		ready(sk, bytes);
 }
 
 static int o2net_open_listening_sock(__be32 addr, __be16 port)
diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
index 0d3a97d2d5f6..e2e05a106beb 100644
--- a/fs/ocfs2/dcache.c
+++ b/fs/ocfs2/dcache.c
@@ -37,7 +37,6 @@
 #include "dlmglue.h"
 #include "file.h"
 #include "inode.h"
-#include "super.h"
 #include "ocfs2_trace.h"
 
 void ocfs2_dentry_attach_gen(struct dentry *dentry)
@@ -346,52 +345,6 @@ out_attach:
 	return ret;
 }
 
-DEFINE_SPINLOCK(dentry_list_lock);
-
-/* We limit the number of dentry locks to drop in one go. We have
- * this limit so that we don't starve other users of ocfs2_wq. */
-#define DL_INODE_DROP_COUNT 64
-
-/* Drop inode references from dentry locks */
-static void __ocfs2_drop_dl_inodes(struct ocfs2_super *osb, int drop_count)
-{
-	struct ocfs2_dentry_lock *dl;
-
-	spin_lock(&dentry_list_lock);
-	while (osb->dentry_lock_list && (drop_count < 0 || drop_count--)) {
-		dl = osb->dentry_lock_list;
-		osb->dentry_lock_list = dl->dl_next;
-		spin_unlock(&dentry_list_lock);
-		iput(dl->dl_inode);
-		kfree(dl);
-		spin_lock(&dentry_list_lock);
-	}
-	spin_unlock(&dentry_list_lock);
-}
-
-void ocfs2_drop_dl_inodes(struct work_struct *work)
-{
-	struct ocfs2_super *osb = container_of(work, struct ocfs2_super,
-					       dentry_lock_work);
-
-	__ocfs2_drop_dl_inodes(osb, DL_INODE_DROP_COUNT);
-	/*
-	 * Don't queue dropping if umount is in progress. We flush the
-	 * list in ocfs2_dismount_volume
-	 */
-	spin_lock(&dentry_list_lock);
-	if (osb->dentry_lock_list &&
-	    !ocfs2_test_osb_flag(osb, OCFS2_OSB_DROP_DENTRY_LOCK_IMMED))
-		queue_work(ocfs2_wq, &osb->dentry_lock_work);
-	spin_unlock(&dentry_list_lock);
-}
-
-/* Flush the whole work queue */
-void ocfs2_drop_all_dl_inodes(struct ocfs2_super *osb)
-{
-	__ocfs2_drop_dl_inodes(osb, -1);
-}
-
 /*
  * ocfs2_dentry_iput() and friends.
  *
@@ -416,24 +369,16 @@ void ocfs2_drop_all_dl_inodes(struct ocfs2_super *osb)
 static void ocfs2_drop_dentry_lock(struct ocfs2_super *osb,
 				   struct ocfs2_dentry_lock *dl)
 {
+	iput(dl->dl_inode);
 	ocfs2_simple_drop_lockres(osb, &dl->dl_lockres);
 	ocfs2_lock_res_free(&dl->dl_lockres);
-
-	/* We leave dropping of inode reference to ocfs2_wq as that can
-	 * possibly lead to inode deletion which gets tricky */
-	spin_lock(&dentry_list_lock);
-	if (!osb->dentry_lock_list &&
-	    !ocfs2_test_osb_flag(osb, OCFS2_OSB_DROP_DENTRY_LOCK_IMMED))
-		queue_work(ocfs2_wq, &osb->dentry_lock_work);
-	dl->dl_next = osb->dentry_lock_list;
-	osb->dentry_lock_list = dl;
-	spin_unlock(&dentry_list_lock);
+	kfree(dl);
 }
 
 void ocfs2_dentry_lock_put(struct ocfs2_super *osb,
 			   struct ocfs2_dentry_lock *dl)
 {
-	int unlock;
+	int unlock = 0;
 
 	BUG_ON(dl->dl_count == 0);
 
diff --git a/fs/ocfs2/dcache.h b/fs/ocfs2/dcache.h
index b79eff709958..55f58892b153 100644
--- a/fs/ocfs2/dcache.h
+++ b/fs/ocfs2/dcache.h
@@ -29,13 +29,8 @@
 extern const struct dentry_operations ocfs2_dentry_ops;
 
 struct ocfs2_dentry_lock {
-	/* Use count of dentry lock */
 	unsigned int		dl_count;
-	union {
-		/* Linked list of dentry locks to release */
-		struct ocfs2_dentry_lock *dl_next;
-		u64			dl_parent_blkno;
-	};
+	u64			dl_parent_blkno;
 
 	/*
 	 * The ocfs2_dentry_lock keeps an inode reference until
@@ -49,14 +44,9 @@ struct ocfs2_dentry_lock {
 int ocfs2_dentry_attach_lock(struct dentry *dentry, struct inode *inode,
 			     u64 parent_blkno);
 
-extern spinlock_t dentry_list_lock;
-
 void ocfs2_dentry_lock_put(struct ocfs2_super *osb,
 			   struct ocfs2_dentry_lock *dl);
 
-void ocfs2_drop_dl_inodes(struct work_struct *work);
-void ocfs2_drop_all_dl_inodes(struct ocfs2_super *osb);
-
 struct dentry *ocfs2_find_local_alias(struct inode *inode, u64 parent_blkno,
 				      int skip_unhashed);
 
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 91a7e85ac8fd..0717662b4aef 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -2957,6 +2957,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,
 		ocfs2_init_dir_trailer(dir, dirdata_bh, i);
 	}
 
+	ocfs2_update_inode_fsync_trans(handle, dir, 1);
 	ocfs2_journal_dirty(handle, dirdata_bh);
 
 	if (ocfs2_supports_indexed_dirs(osb) && !dx_inline) {
@@ -3005,6 +3006,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,
 	di->i_size = cpu_to_le64(sb->s_blocksize);
 	di->i_ctime = di->i_mtime = cpu_to_le64(dir->i_ctime.tv_sec);
 	di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(dir->i_ctime.tv_nsec);
+	ocfs2_update_inode_fsync_trans(handle, dir, 1);
 
 	/*
 	 * This should never fail as our extent list is empty and all
@@ -3338,6 +3340,7 @@ do_extend:
 	} else {
 		de->rec_len = cpu_to_le16(sb->s_blocksize);
 	}
+	ocfs2_update_inode_fsync_trans(handle, dir, 1);
 	ocfs2_journal_dirty(handle, new_bh);
 
 	dir_i_size += dir->i_sb->s_blocksize;
@@ -3896,6 +3899,7 @@ out_commit:
 		dquot_free_space_nodirty(dir,
 				ocfs2_clusters_to_bytes(dir->i_sb, 1));
 
+	ocfs2_update_inode_fsync_trans(handle, dir, 1);
 	ocfs2_commit_trans(osb, handle);
 
 out:
@@ -4134,6 +4138,7 @@ static int ocfs2_expand_inline_dx_root(struct inode *dir,
 		mlog_errno(ret);
 	did_quota = 0;
 
+	ocfs2_update_inode_fsync_trans(handle, dir, 1);
 	ocfs2_journal_dirty(handle, dx_root_bh);
 
 out_commit:
@@ -4401,6 +4406,7 @@ static int ocfs2_dx_dir_remove_index(struct inode *dir,
 	di->i_dyn_features = cpu_to_le16(OCFS2_I(dir)->ip_dyn_features);
 	spin_unlock(&OCFS2_I(dir)->ip_lock);
 	di->i_dx_root = cpu_to_le64(0ULL);
+	ocfs2_update_inode_fsync_trans(handle, dir, 1);
 
 	ocfs2_journal_dirty(handle, di_bh);
 
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index 33660a4a52fa..c973690dc0bc 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -1123,7 +1123,6 @@ static int dlm_query_region_handler(struct o2net_msg *msg, u32 len,
 	struct dlm_ctxt *dlm = NULL;
 	char *local = NULL;
 	int status = 0;
-	int locked = 0;
 
 	qr = (struct dlm_query_region *) msg->buf;
 
@@ -1132,10 +1131,8 @@ static int dlm_query_region_handler(struct o2net_msg *msg, u32 len,
 
 	/* buffer used in dlm_mast_regions() */
 	local = kmalloc(sizeof(qr->qr_regions), GFP_KERNEL);
-	if (!local) {
-		status = -ENOMEM;
-		goto bail;
-	}
+	if (!local)
+		return -ENOMEM;
 
 	status = -EINVAL;
 
@@ -1144,16 +1141,15 @@ static int dlm_query_region_handler(struct o2net_msg *msg, u32 len,
 	if (!dlm) {
 		mlog(ML_ERROR, "Node %d queried hb regions on domain %s "
 		     "before join domain\n", qr->qr_node, qr->qr_domain);
-		goto bail;
+		goto out_domain_lock;
 	}
 
 	spin_lock(&dlm->spinlock);
-	locked = 1;
 	if (dlm->joining_node != qr->qr_node) {
 		mlog(ML_ERROR, "Node %d queried hb regions on domain %s "
 		     "but joining node is %d\n", qr->qr_node, qr->qr_domain,
 		     dlm->joining_node);
-		goto bail;
+		goto out_dlm_lock;
 	}
 
 	/* Support for global heartbeat was added in 1.1 */
@@ -1163,14 +1159,15 @@ static int dlm_query_region_handler(struct o2net_msg *msg, u32 len,
 		     "but active dlm protocol is %d.%d\n", qr->qr_node,
 		     qr->qr_domain, dlm->dlm_locking_proto.pv_major,
 		     dlm->dlm_locking_proto.pv_minor);
-		goto bail;
+		goto out_dlm_lock;
 	}
 
 	status = dlm_match_regions(dlm, qr, local, sizeof(qr->qr_regions));
 
-bail:
-	if (locked)
-		spin_unlock(&dlm->spinlock);
+out_dlm_lock:
+	spin_unlock(&dlm->spinlock);
+
+out_domain_lock:
 	spin_unlock(&dlm_domain_lock);
 
 	kfree(local);
@@ -1877,19 +1874,19 @@ static int dlm_join_domain(struct dlm_ctxt *dlm)
 		goto bail;
 	}
 
-	status = dlm_debug_init(dlm);
+	status = dlm_launch_thread(dlm);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
 	}
 
-	status = dlm_launch_thread(dlm);
+	status = dlm_launch_recovery_thread(dlm);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
 	}
 
-	status = dlm_launch_recovery_thread(dlm);
+	status = dlm_debug_init(dlm);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index af3f7aa73e13..1b11a47876e3 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -3084,11 +3084,15 @@ static int dlm_add_migration_mle(struct dlm_ctxt *dlm,
 			/* remove it so that only one mle will be found */
 			__dlm_unlink_mle(dlm, tmp);
 			__dlm_mle_detach_hb_events(dlm, tmp);
-			ret = DLM_MIGRATE_RESPONSE_MASTERY_REF;
-			mlog(0, "%s:%.*s: master=%u, newmaster=%u, "
-			    "telling master to get ref for cleared out mle "
-			    "during migration\n", dlm->name, namelen, name,
-			    master, new_master);
+			if (tmp->type == DLM_MLE_MASTER) {
+				ret = DLM_MIGRATE_RESPONSE_MASTERY_REF;
+				mlog(0, "%s:%.*s: master=%u, newmaster=%u, "
+						"telling master to get ref "
+						"for cleared out mle during "
+						"migration\n", dlm->name,
+						namelen, name, master,
+						new_master);
+			}
 		}
 		spin_unlock(&tmp->spinlock);
 	}
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 7035af09cc03..fe29f7978f81 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -537,7 +537,10 @@ master_here:
 		/* success!  see if any other nodes need recovery */
 		mlog(0, "DONE mastering recovery of %s:%u here(this=%u)!\n",
 		     dlm->name, dlm->reco.dead_node, dlm->node_num);
-		dlm_reset_recovery(dlm);
+		spin_lock(&dlm->spinlock);
+		__dlm_reset_recovery(dlm);
+		dlm->reco.state &= ~DLM_RECO_STATE_FINALIZE;
+		spin_unlock(&dlm->spinlock);
 	}
 	dlm_end_recovery(dlm);
 
@@ -695,6 +698,14 @@ static int dlm_remaster_locks(struct dlm_ctxt *dlm, u8 dead_node)
 		if (all_nodes_done) {
 			int ret;
 
+			/* Set this flag on recovery master to avoid
+			 * a new recovery for another dead node start
+			 * before the recovery is not done. That may
+			 * cause recovery hung.*/
+			spin_lock(&dlm->spinlock);
+			dlm->reco.state |= DLM_RECO_STATE_FINALIZE;
+			spin_unlock(&dlm->spinlock);
+
 			/* all nodes are now in DLM_RECO_NODE_DATA_DONE state
 	 		 * just send a finalize message to everyone and
 	 		 * clean up */
@@ -1750,13 +1761,13 @@ static int dlm_process_recovery_data(struct dlm_ctxt *dlm,
 				     struct dlm_migratable_lockres *mres)
 {
 	struct dlm_migratable_lock *ml;
-	struct list_head *queue;
+	struct list_head *queue, *iter;
 	struct list_head *tmpq = NULL;
 	struct dlm_lock *newlock = NULL;
 	struct dlm_lockstatus *lksb = NULL;
 	int ret = 0;
 	int i, j, bad;
-	struct dlm_lock *lock = NULL;
+	struct dlm_lock *lock;
 	u8 from = O2NM_MAX_NODES;
 	unsigned int added = 0;
 	__be64 c;
@@ -1791,14 +1802,16 @@ static int dlm_process_recovery_data(struct dlm_ctxt *dlm,
 			/* MIGRATION ONLY! */
 			BUG_ON(!(mres->flags & DLM_MRES_MIGRATION));
 
+			lock = NULL;
 			spin_lock(&res->spinlock);
 			for (j = DLM_GRANTED_LIST; j <= DLM_BLOCKED_LIST; j++) {
 				tmpq = dlm_list_idx_to_ptr(res, j);
-				list_for_each_entry(lock, tmpq, list) {
-					if (lock->ml.cookie != ml->cookie)
-						lock = NULL;
-					else
+				list_for_each(iter, tmpq) {
+					lock = list_entry(iter,
+						  struct dlm_lock, list);
+					if (lock->ml.cookie == ml->cookie)
 						break;
+					lock = NULL;
 				}
 				if (lock)
 					break;
@@ -2882,8 +2895,8 @@ int dlm_finalize_reco_handler(struct o2net_msg *msg, u32 len, void *data,
 				BUG();
 			}
 			dlm->reco.state &= ~DLM_RECO_STATE_FINALIZE;
+			__dlm_reset_recovery(dlm);
 			spin_unlock(&dlm->spinlock);
-			dlm_reset_recovery(dlm);
 			dlm_kick_recovery_thread(dlm);
 			break;
 		default:
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 19986959d149..6bd690b5a061 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -3144,22 +3144,60 @@ out:
 	return 0;
 }
 
+static void ocfs2_process_blocked_lock(struct ocfs2_super *osb,
+				       struct ocfs2_lock_res *lockres);
+
 /* Mark the lockres as being dropped. It will no longer be
  * queued if blocking, but we still may have to wait on it
  * being dequeued from the downconvert thread before we can consider
  * it safe to drop.
  *
  * You can *not* attempt to call cluster_lock on this lockres anymore. */
-void ocfs2_mark_lockres_freeing(struct ocfs2_lock_res *lockres)
+void ocfs2_mark_lockres_freeing(struct ocfs2_super *osb,
+				struct ocfs2_lock_res *lockres)
 {
 	int status;
 	struct ocfs2_mask_waiter mw;
-	unsigned long flags;
+	unsigned long flags, flags2;
 
 	ocfs2_init_mask_waiter(&mw);
 
 	spin_lock_irqsave(&lockres->l_lock, flags);
 	lockres->l_flags |= OCFS2_LOCK_FREEING;
+	if (lockres->l_flags & OCFS2_LOCK_QUEUED && current == osb->dc_task) {
+		/*
+		 * We know the downconvert is queued but not in progress
+		 * because we are the downconvert thread and processing
+		 * different lock. So we can just remove the lock from the
+		 * queue. This is not only an optimization but also a way
+		 * to avoid the following deadlock:
+		 *   ocfs2_dentry_post_unlock()
+		 *     ocfs2_dentry_lock_put()
+		 *       ocfs2_drop_dentry_lock()
+		 *         iput()
+		 *           ocfs2_evict_inode()
+		 *             ocfs2_clear_inode()
+		 *               ocfs2_mark_lockres_freeing()
+		 *                 ... blocks waiting for OCFS2_LOCK_QUEUED
+		 *                 since we are the downconvert thread which
+		 *                 should clear the flag.
+		 */
+		spin_unlock_irqrestore(&lockres->l_lock, flags);
+		spin_lock_irqsave(&osb->dc_task_lock, flags2);
+		list_del_init(&lockres->l_blocked_list);
+		osb->blocked_lock_count--;
+		spin_unlock_irqrestore(&osb->dc_task_lock, flags2);
+		/*
+		 * Warn if we recurse into another post_unlock call.  Strictly
+		 * speaking it isn't a problem but we need to be careful if
+		 * that happens (stack overflow, deadlocks, ...) so warn if
+		 * ocfs2 grows a path for which this can happen.
+		 */
+		WARN_ON_ONCE(lockres->l_ops->post_unlock);
+		/* Since the lock is freeing we don't do much in the fn below */
+		ocfs2_process_blocked_lock(osb, lockres);
+		return;
+	}
 	while (lockres->l_flags & OCFS2_LOCK_QUEUED) {
 		lockres_add_mask_waiter(lockres, &mw, OCFS2_LOCK_QUEUED, 0);
 		spin_unlock_irqrestore(&lockres->l_lock, flags);
@@ -3180,7 +3218,7 @@ void ocfs2_simple_drop_lockres(struct ocfs2_super *osb,
 {
 	int ret;
 
-	ocfs2_mark_lockres_freeing(lockres);
+	ocfs2_mark_lockres_freeing(osb, lockres);
 	ret = ocfs2_drop_lock(osb, lockres);
 	if (ret)
 		mlog_errno(ret);
diff --git a/fs/ocfs2/dlmglue.h b/fs/ocfs2/dlmglue.h
index 1d596d8c4a4a..d293a22c32c5 100644
--- a/fs/ocfs2/dlmglue.h
+++ b/fs/ocfs2/dlmglue.h
@@ -157,7 +157,8 @@ int ocfs2_refcount_lock(struct ocfs2_refcount_tree *ref_tree, int ex);
 void ocfs2_refcount_unlock(struct ocfs2_refcount_tree *ref_tree, int ex);
 
 
-void ocfs2_mark_lockres_freeing(struct ocfs2_lock_res *lockres);
+void ocfs2_mark_lockres_freeing(struct ocfs2_super *osb,
+				struct ocfs2_lock_res *lockres);
 void ocfs2_simple_drop_lockres(struct ocfs2_super *osb,
 			       struct ocfs2_lock_res *lockres);
 
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 51632c40e896..ff33c5ef87f2 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -175,9 +175,13 @@ static int ocfs2_sync_file(struct file *file, loff_t start, loff_t end,
 			   int datasync)
 {
 	int err = 0;
-	journal_t *journal;
 	struct inode *inode = file->f_mapping->host;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	struct ocfs2_inode_info *oi = OCFS2_I(inode);
+	journal_t *journal = osb->journal->j_journal;
+	int ret;
+	tid_t commit_tid;
+	bool needs_barrier = false;
 
 	trace_ocfs2_sync_file(inode, file, file->f_path.dentry,
 			      OCFS2_I(inode)->ip_blkno,
@@ -192,29 +196,19 @@ static int ocfs2_sync_file(struct file *file, loff_t start, loff_t end,
 	if (err)
 		return err;
 
-	/*
-	 * Probably don't need the i_mutex at all in here, just putting it here
-	 * to be consistent with how fsync used to be called, someone more
-	 * familiar with the fs could possibly remove it.
-	 */
-	mutex_lock(&inode->i_mutex);
-	if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) {
-		/*
-		 * We still have to flush drive's caches to get data to the
-		 * platter
-		 */
-		if (osb->s_mount_opt & OCFS2_MOUNT_BARRIER)
-			blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
-		goto bail;
+	commit_tid = datasync ? oi->i_datasync_tid : oi->i_sync_tid;
+	if (journal->j_flags & JBD2_BARRIER &&
+	    !jbd2_trans_will_send_data_barrier(journal, commit_tid))
+		needs_barrier = true;
+	err = jbd2_complete_transaction(journal, commit_tid);
+	if (needs_barrier) {
+		ret = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+		if (!err)
+			err = ret;
 	}
 
-	journal = osb->journal->j_journal;
-	err = jbd2_journal_force_commit(journal);
-
-bail:
 	if (err)
 		mlog_errno(err);
-	mutex_unlock(&inode->i_mutex);
 
 	return (err < 0) ? -EIO : 0;
 }
@@ -292,6 +286,7 @@ int ocfs2_update_inode_atime(struct inode *inode,
 	inode->i_atime = CURRENT_TIME;
 	di->i_atime = cpu_to_le64(inode->i_atime.tv_sec);
 	di->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec);
+	ocfs2_update_inode_fsync_trans(handle, inode, 0);
 	ocfs2_journal_dirty(handle, bh);
 
 out_commit:
@@ -341,6 +336,7 @@ int ocfs2_simple_size_update(struct inode *inode,
 	if (ret < 0)
 		mlog_errno(ret);
 
+	ocfs2_update_inode_fsync_trans(handle, inode, 0);
 	ocfs2_commit_trans(osb, handle);
 out:
 	return ret;
@@ -435,6 +431,7 @@ static int ocfs2_orphan_for_truncate(struct ocfs2_super *osb,
 	di->i_size = cpu_to_le64(new_i_size);
 	di->i_ctime = di->i_mtime = cpu_to_le64(inode->i_ctime.tv_sec);
 	di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
+	ocfs2_update_inode_fsync_trans(handle, inode, 0);
 
 	ocfs2_journal_dirty(handle, fe_bh);
 
@@ -650,7 +647,7 @@ restarted_transaction:
 			mlog_errno(status);
 		goto leave;
 	}
-
+	ocfs2_update_inode_fsync_trans(handle, inode, 1);
 	ocfs2_journal_dirty(handle, bh);
 
 	spin_lock(&OCFS2_I(inode)->ip_lock);
@@ -743,6 +740,7 @@ static handle_t *ocfs2_zero_start_ordered_transaction(struct inode *inode,
 				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret)
 		mlog_errno(ret);
+	ocfs2_update_inode_fsync_trans(handle, inode, 1);
 
 out:
 	if (ret) {
@@ -840,6 +838,7 @@ static int ocfs2_write_zero_page(struct inode *inode, u64 abs_from,
 		di->i_ctime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec);
 		di->i_mtime_nsec = di->i_ctime_nsec;
 		ocfs2_journal_dirty(handle, di_bh);
+		ocfs2_update_inode_fsync_trans(handle, inode, 1);
 		ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
 	}
 
@@ -1344,6 +1343,7 @@ static int __ocfs2_write_remove_suid(struct inode *inode,
 
 	di = (struct ocfs2_dinode *) bh->b_data;
 	di->i_mode = cpu_to_le16(inode->i_mode);
+	ocfs2_update_inode_fsync_trans(handle, inode, 0);
 
 	ocfs2_journal_dirty(handle, bh);
 
@@ -1576,6 +1576,7 @@ static int ocfs2_zero_partial_clusters(struct inode *inode,
 		if (ret)
 			mlog_errno(ret);
 	}
+	ocfs2_update_inode_fsync_trans(handle, inode, 1);
 
 	ocfs2_commit_trans(osb, handle);
 out:
@@ -2061,13 +2062,6 @@ out:
 	return ret;
 }
 
-static void ocfs2_aiodio_wait(struct inode *inode)
-{
-	wait_queue_head_t *wq = ocfs2_ioend_wq(inode);
-
-	wait_event(*wq, (atomic_read(&OCFS2_I(inode)->ip_unaligned_aio) == 0));
-}
-
 static int ocfs2_is_io_unaligned(struct inode *inode, size_t count, loff_t pos)
 {
 	int blockmask = inode->i_sb->s_blocksize - 1;
@@ -2345,10 +2339,8 @@ relock:
 		 * Wait on previous unaligned aio to complete before
 		 * proceeding.
 		 */
-		ocfs2_aiodio_wait(inode);
-
-		/* Mark the iocb as needing a decrement in ocfs2_dio_end_io */
-		atomic_inc(&OCFS2_I(inode)->ip_unaligned_aio);
+		mutex_lock(&OCFS2_I(inode)->ip_unaligned_aio);
+		/* Mark the iocb as needing an unlock in ocfs2_dio_end_io */
 		ocfs2_iocb_set_unaligned_aio(iocb);
 	}
 
@@ -2428,7 +2420,7 @@ out_dio:
 
 	if (unaligned_dio) {
 		ocfs2_iocb_clear_unaligned_aio(iocb);
-		atomic_dec(&OCFS2_I(inode)->ip_unaligned_aio);
+		mutex_unlock(&OCFS2_I(inode)->ip_unaligned_aio);
 	}
 
 out:
@@ -2645,7 +2637,16 @@ static loff_t ocfs2_file_llseek(struct file *file, loff_t offset, int whence)
 	case SEEK_SET:
 		break;
 	case SEEK_END:
-		offset += inode->i_size;
+		/* SEEK_END requires the OCFS2 inode lock for the file
+		 * because it references the file's size.
+		 */
+		ret = ocfs2_inode_lock(inode, NULL, 0);
+		if (ret < 0) {
+			mlog_errno(ret);
+			goto out;
+		}
+		offset += i_size_read(inode);
+		ocfs2_inode_unlock(inode, 0);
 		break;
 	case SEEK_CUR:
 		if (offset == 0) {
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index f29a90fde619..437de7f768c6 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -130,6 +130,7 @@ struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 blkno, unsigned flags,
 	struct inode *inode = NULL;
 	struct super_block *sb = osb->sb;
 	struct ocfs2_find_inode_args args;
+	journal_t *journal = OCFS2_SB(sb)->journal->j_journal;
 
 	trace_ocfs2_iget_begin((unsigned long long)blkno, flags,
 			       sysfile_type);
@@ -169,6 +170,32 @@ struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 blkno, unsigned flags,
 		goto bail;
 	}
 
+	/*
+	 * Set transaction id's of transactions that have to be committed
+	 * to finish f[data]sync. We set them to currently running transaction
+	 * as we cannot be sure that the inode or some of its metadata isn't
+	 * part of the transaction - the inode could have been reclaimed and
+	 * now it is reread from disk.
+	 */
+	if (journal) {
+		transaction_t *transaction;
+		tid_t tid;
+		struct ocfs2_inode_info *oi = OCFS2_I(inode);
+
+		read_lock(&journal->j_state_lock);
+		if (journal->j_running_transaction)
+			transaction = journal->j_running_transaction;
+		else
+			transaction = journal->j_committing_transaction;
+		if (transaction)
+			tid = transaction->t_tid;
+		else
+			tid = journal->j_commit_sequence;
+		read_unlock(&journal->j_state_lock);
+		oi->i_sync_tid = tid;
+		oi->i_datasync_tid = tid;
+	}
+
 bail:
 	if (!IS_ERR(inode)) {
 		trace_ocfs2_iget_end(inode, 
@@ -804,11 +831,13 @@ static int ocfs2_inode_is_valid_to_delete(struct inode *inode)
 		goto bail;
 	}
 
-	/* If we're coming from downconvert_thread we can't go into our own
-	 * voting [hello, deadlock city!], so unforuntately we just
-	 * have to skip deleting this guy. That's OK though because
-	 * the node who's doing the actual deleting should handle it
-	 * anyway. */
+	/*
+	 * If we're coming from downconvert_thread we can't go into our own
+	 * voting [hello, deadlock city!] so we cannot delete the inode. But
+	 * since we dropped last inode ref when downconverting dentry lock,
+	 * we cannot have the file open and thus the node doing unlink will
+	 * take care of deleting the inode.
+	 */
 	if (current == osb->dc_task)
 		goto bail;
 
@@ -822,12 +851,6 @@ static int ocfs2_inode_is_valid_to_delete(struct inode *inode)
 		goto bail_unlock;
 	}
 
-	/* If we have allowd wipe of this inode for another node, it
-	 * will be marked here so we can safely skip it. Recovery will
-	 * cleanup any inodes we might inadvertently skip here. */
-	if (oi->ip_flags & OCFS2_INODE_SKIP_DELETE)
-		goto bail_unlock;
-
 	ret = 1;
 bail_unlock:
 	spin_unlock(&oi->ip_lock);
@@ -941,7 +964,7 @@ static void ocfs2_cleanup_delete_inode(struct inode *inode,
 		(unsigned long long)OCFS2_I(inode)->ip_blkno, sync_data);
 	if (sync_data)
 		filemap_write_and_wait(inode->i_mapping);
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 }
 
 static void ocfs2_delete_inode(struct inode *inode)
@@ -960,8 +983,6 @@ static void ocfs2_delete_inode(struct inode *inode)
 	if (is_bad_inode(inode) || !OCFS2_I(inode)->ip_blkno)
 		goto bail;
 
-	dquot_initialize(inode);
-
 	if (!ocfs2_inode_is_valid_to_delete(inode)) {
 		/* It's probably not necessary to truncate_inode_pages
 		 * here but we do it for safety anyway (it will most
@@ -970,6 +991,8 @@ static void ocfs2_delete_inode(struct inode *inode)
 		goto bail;
 	}
 
+	dquot_initialize(inode);
+
 	/* We want to block signals in delete_inode as the lock and
 	 * messaging paths may return us -ERESTARTSYS. Which would
 	 * cause us to exit early, resulting in inodes being orphaned
@@ -1057,6 +1080,7 @@ static void ocfs2_clear_inode(struct inode *inode)
 {
 	int status;
 	struct ocfs2_inode_info *oi = OCFS2_I(inode);
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 
 	clear_inode(inode);
 	trace_ocfs2_clear_inode((unsigned long long)oi->ip_blkno,
@@ -1073,9 +1097,9 @@ static void ocfs2_clear_inode(struct inode *inode)
 
 	/* Do these before all the other work so that we don't bounce
 	 * the downconvert thread while waiting to destroy the locks. */
-	ocfs2_mark_lockres_freeing(&oi->ip_rw_lockres);
-	ocfs2_mark_lockres_freeing(&oi->ip_inode_lockres);
-	ocfs2_mark_lockres_freeing(&oi->ip_open_lockres);
+	ocfs2_mark_lockres_freeing(osb, &oi->ip_rw_lockres);
+	ocfs2_mark_lockres_freeing(osb, &oi->ip_inode_lockres);
+	ocfs2_mark_lockres_freeing(osb, &oi->ip_open_lockres);
 
 	ocfs2_resv_discard(&OCFS2_SB(inode->i_sb)->osb_la_resmap,
 			   &oi->ip_la_data_resv);
@@ -1157,7 +1181,7 @@ void ocfs2_evict_inode(struct inode *inode)
 	    (OCFS2_I(inode)->ip_flags & OCFS2_INODE_MAYBE_ORPHANED)) {
 		ocfs2_delete_inode(inode);
 	} else {
-		truncate_inode_pages(&inode->i_data, 0);
+		truncate_inode_pages_final(&inode->i_data);
 	}
 	ocfs2_clear_inode(inode);
 }
@@ -1260,6 +1284,7 @@ int ocfs2_mark_inode_dirty(handle_t *handle,
 	fe->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec);
 
 	ocfs2_journal_dirty(handle, bh);
+	ocfs2_update_inode_fsync_trans(handle, inode, 1);
 leave:
 	return status;
 }
diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h
index 621fc73bf23d..a6c991c0fc98 100644
--- a/fs/ocfs2/inode.h
+++ b/fs/ocfs2/inode.h
@@ -44,7 +44,7 @@ struct ocfs2_inode_info
 	struct rw_semaphore		ip_xattr_sem;
 
 	/* Number of outstanding AIO's which are not page aligned */
-	atomic_t			ip_unaligned_aio;
+	struct mutex			ip_unaligned_aio;
 
 	/* These fields are protected by ip_lock */
 	spinlock_t			ip_lock;
@@ -73,6 +73,13 @@ struct ocfs2_inode_info
 	u32				ip_dir_lock_gen;
 
 	struct ocfs2_alloc_reservation	ip_la_data_resv;
+
+	/*
+	 * Transactions that contain inode's metadata needed to complete
+	 * fsync and fdatasync, respectively.
+	 */
+	tid_t i_sync_tid;
+	tid_t i_datasync_tid;
 };
 
 /*
@@ -84,8 +91,6 @@ struct ocfs2_inode_info
 #define OCFS2_INODE_BITMAP		0x00000004
 /* This inode has been wiped from disk */
 #define OCFS2_INODE_DELETED		0x00000008
-/* Another node is deleting, so our delete is a nop */
-#define OCFS2_INODE_SKIP_DELETE		0x00000010
 /* Has the inode been orphaned on another node?
  *
  * This hints to ocfs2_drop_inode that it should clear i_nlink before
@@ -100,11 +105,11 @@ struct ocfs2_inode_info
  * rely on ocfs2_delete_inode to sort things out under the proper
  * cluster locks.
  */
-#define OCFS2_INODE_MAYBE_ORPHANED	0x00000020
+#define OCFS2_INODE_MAYBE_ORPHANED	0x00000010
 /* Does someone have the file open O_DIRECT */
-#define OCFS2_INODE_OPEN_DIRECT		0x00000040
+#define OCFS2_INODE_OPEN_DIRECT		0x00000020
 /* Tell the inode wipe code it's not in orphan dir */
-#define OCFS2_INODE_SKIP_ORPHAN_DIR     0x00000080
+#define OCFS2_INODE_SKIP_ORPHAN_DIR     0x00000040
 
 static inline struct ocfs2_inode_info *OCFS2_I(struct inode *inode)
 {
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 44fc3e530c3d..03ea9314fecd 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -2132,12 +2132,6 @@ static int ocfs2_recover_orphans(struct ocfs2_super *osb,
 		iter = oi->ip_next_orphan;
 
 		spin_lock(&oi->ip_lock);
-		/* The remote delete code may have set these on the
-		 * assumption that the other node would wipe them
-		 * successfully.  If they are still in the node's
-		 * orphan dir, we need to reset that state. */
-		oi->ip_flags &= ~(OCFS2_INODE_DELETED|OCFS2_INODE_SKIP_DELETE);
-
 		/* Set the proper information to get us going into
 		 * ocfs2_delete_inode. */
 		oi->ip_flags |= OCFS2_INODE_MAYBE_ORPHANED;
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index 9ff4e8cf9d97..7f8cde94abfe 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -626,4 +626,15 @@ static inline int ocfs2_begin_ordered_truncate(struct inode *inode,
 				new_size);
 }
 
+static inline void ocfs2_update_inode_fsync_trans(handle_t *handle,
+						  struct inode *inode,
+						  int datasync)
+{
+	struct ocfs2_inode_info *oi = OCFS2_I(inode);
+
+	oi->i_sync_tid = handle->h_transaction->t_tid;
+	if (datasync)
+		oi->i_datasync_tid = handle->h_transaction->t_tid;
+}
+
 #endif /* OCFS2_JOURNAL_H */
diff --git a/fs/ocfs2/locks.c b/fs/ocfs2/locks.c
index e57c804069ea..6b6d092b0998 100644
--- a/fs/ocfs2/locks.c
+++ b/fs/ocfs2/locks.c
@@ -82,6 +82,8 @@ static int ocfs2_do_flock(struct file *file, struct inode *inode,
 	}
 
 	ret = flock_lock_file_wait(file, fl);
+	if (ret)
+		ocfs2_file_unlock(file);
 
 out:
 	mutex_unlock(&fp->fp_mutex);
diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c
index 64c304d668f0..b97d608c07d7 100644
--- a/fs/ocfs2/move_extents.c
+++ b/fs/ocfs2/move_extents.c
@@ -151,6 +151,7 @@ static int __ocfs2_move_extent(handle_t *handle,
 							old_blkno, len);
 	}
 
+	ocfs2_update_inode_fsync_trans(handle, inode, 0);
 out:
 	ocfs2_free_path(path);
 	return ret;
@@ -681,18 +682,15 @@ static int ocfs2_move_extent(struct ocfs2_move_extents_context *context,
 	}
 
 	gd = (struct ocfs2_group_desc *)gd_bh->b_data;
-	ret = ocfs2_alloc_dinode_update_counts(gb_inode, handle, gb_bh, len,
-					       le16_to_cpu(gd->bg_chain));
+	ret = ocfs2_alloc_dinode_update_bitmap(handle,
+				gb_inode, gb_bh, gd, gb_bh,
+				le16_to_cpu(gd->bg_chain),
+				goal_bit, len);
 	if (ret) {
 		mlog_errno(ret);
 		goto out_commit;
 	}
 
-	ret = ocfs2_block_group_set_bits(handle, gb_inode, gd, gd_bh,
-					 goal_bit, len);
-	if (ret)
-		mlog_errno(ret);
-
 	/*
 	 * Here we should write the new page out first if we are
 	 * in write-back mode.
@@ -957,6 +955,7 @@ static int ocfs2_move_extents(struct ocfs2_move_extents_context *context)
 	inode->i_ctime = CURRENT_TIME;
 	di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
 	di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
+	ocfs2_update_inode_fsync_trans(handle, inode, 0);
 
 	ocfs2_journal_dirty(handle, di_bh);
 
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 3683643f3f0e..58c975c1236b 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -231,6 +231,7 @@ static int ocfs2_mknod(struct inode *dir,
 	sigset_t oldset;
 	int did_block_signals = 0;
 	struct posix_acl *default_acl = NULL, *acl = NULL;
+	struct ocfs2_dentry_lock *dl = NULL;
 
 	trace_ocfs2_mknod(dir, dentry, dentry->d_name.len, dentry->d_name.name,
 			  (unsigned long long)OCFS2_I(dir)->ip_blkno,
@@ -423,6 +424,8 @@ static int ocfs2_mknod(struct inode *dir,
 		goto leave;
 	}
 
+	dl = dentry->d_fsdata;
+
 	status = ocfs2_add_entry(handle, dentry, inode,
 				 OCFS2_I(inode)->ip_blkno, parent_fe_bh,
 				 &lookup);
@@ -470,6 +473,16 @@ leave:
 	 * ocfs2_delete_inode will mutex_lock again.
 	 */
 	if ((status < 0) && inode) {
+		if (dl) {
+			ocfs2_simple_drop_lockres(osb, &dl->dl_lockres);
+			ocfs2_lock_res_free(&dl->dl_lockres);
+			BUG_ON(dl->dl_count != 1);
+			spin_lock(&dentry_attach_lock);
+			dentry->d_fsdata = NULL;
+			spin_unlock(&dentry_attach_lock);
+			kfree(dl);
+			iput(inode);
+		}
 		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SKIP_ORPHAN_DIR;
 		clear_nlink(inode);
 		iput(inode);
@@ -495,6 +508,7 @@ static int __ocfs2_mknod_locked(struct inode *dir,
 	struct ocfs2_dinode *fe = NULL;
 	struct ocfs2_extent_list *fel;
 	u16 feat;
+	struct ocfs2_inode_info *oi = OCFS2_I(inode);
 
 	*new_fe_bh = NULL;
 
@@ -576,6 +590,9 @@ static int __ocfs2_mknod_locked(struct inode *dir,
 			mlog_errno(status);
 	}
 
+	oi->i_sync_tid = handle->h_transaction->t_tid;
+	oi->i_datasync_tid = handle->h_transaction->t_tid;
+
 	status = 0; /* error in ocfs2_create_new_inode_locks is not
 		     * critical */
 
@@ -991,6 +1008,65 @@ leave:
 	return status;
 }
 
+static int ocfs2_check_if_ancestor(struct ocfs2_super *osb,
+		u64 src_inode_no, u64 dest_inode_no)
+{
+	int ret = 0, i = 0;
+	u64 parent_inode_no = 0;
+	u64 child_inode_no = src_inode_no;
+	struct inode *child_inode;
+
+#define MAX_LOOKUP_TIMES 32
+	while (1) {
+		child_inode = ocfs2_iget(osb, child_inode_no, 0, 0);
+		if (IS_ERR(child_inode)) {
+			ret = PTR_ERR(child_inode);
+			break;
+		}
+
+		ret = ocfs2_inode_lock(child_inode, NULL, 0);
+		if (ret < 0) {
+			iput(child_inode);
+			if (ret != -ENOENT)
+				mlog_errno(ret);
+			break;
+		}
+
+		ret = ocfs2_lookup_ino_from_name(child_inode, "..", 2,
+				&parent_inode_no);
+		ocfs2_inode_unlock(child_inode, 0);
+		iput(child_inode);
+		if (ret < 0) {
+			ret = -ENOENT;
+			break;
+		}
+
+		if (parent_inode_no == dest_inode_no) {
+			ret = 1;
+			break;
+		}
+
+		if (parent_inode_no == osb->root_inode->i_ino) {
+			ret = 0;
+			break;
+		}
+
+		child_inode_no = parent_inode_no;
+
+		if (++i >= MAX_LOOKUP_TIMES) {
+			mlog(ML_NOTICE, "max lookup times reached, filesystem "
+					"may have nested directories, "
+					"src inode: %llu, dest inode: %llu.\n",
+					(unsigned long long)src_inode_no,
+					(unsigned long long)dest_inode_no);
+			ret = 0;
+			break;
+		}
+	}
+
+	return ret;
+}
+
 /*
  * The only place this should be used is rename!
  * if they have the same id, then the 1st one is the only one locked.
@@ -1002,6 +1078,7 @@ static int ocfs2_double_lock(struct ocfs2_super *osb,
 			     struct inode *inode2)
 {
 	int status;
+	int inode1_is_ancestor, inode2_is_ancestor;
 	struct ocfs2_inode_info *oi1 = OCFS2_I(inode1);
 	struct ocfs2_inode_info *oi2 = OCFS2_I(inode2);
 	struct buffer_head **tmpbh;
@@ -1015,9 +1092,26 @@ static int ocfs2_double_lock(struct ocfs2_super *osb,
 	if (*bh2)
 		*bh2 = NULL;
 
-	/* we always want to lock the one with the lower lockid first. */
+	/* we always want to lock the one with the lower lockid first.
+	 * and if they are nested, we lock ancestor first */
 	if (oi1->ip_blkno != oi2->ip_blkno) {
-		if (oi1->ip_blkno < oi2->ip_blkno) {
+		inode1_is_ancestor = ocfs2_check_if_ancestor(osb, oi2->ip_blkno,
+				oi1->ip_blkno);
+		if (inode1_is_ancestor < 0) {
+			status = inode1_is_ancestor;
+			goto bail;
+		}
+
+		inode2_is_ancestor = ocfs2_check_if_ancestor(osb, oi1->ip_blkno,
+				oi2->ip_blkno);
+		if (inode2_is_ancestor < 0) {
+			status = inode2_is_ancestor;
+			goto bail;
+		}
+
+		if ((inode1_is_ancestor == 1) ||
+				(oi1->ip_blkno < oi2->ip_blkno &&
+				inode2_is_ancestor == 0)) {
 			/* switch id1 and id2 around */
 			tmpbh = bh2;
 			bh2 = bh1;
@@ -1134,6 +1228,22 @@ static int ocfs2_rename(struct inode *old_dir,
 			goto bail;
 		}
 		rename_lock = 1;
+
+		/* here we cannot guarantee the inodes haven't just been
+		 * changed, so check if they are nested again */
+		status = ocfs2_check_if_ancestor(osb, new_dir->i_ino,
+				old_inode->i_ino);
+		if (status < 0) {
+			mlog_errno(status);
+			goto bail;
+		} else if (status == 1) {
+			status = -EPERM;
+			mlog(ML_ERROR, "src inode %llu should not be ancestor "
+				"of new dir inode %llu\n",
+				(unsigned long long)old_inode->i_ino,
+				(unsigned long long)new_dir->i_ino);
+			goto bail;
+		}
 	}
 
 	/* if old and new are the same, this'll just do one lock. */
@@ -1642,6 +1752,7 @@ static int ocfs2_symlink(struct inode *dir,
 	struct ocfs2_dir_lookup_result lookup = { NULL, };
 	sigset_t oldset;
 	int did_block_signals = 0;
+	struct ocfs2_dentry_lock *dl = NULL;
 
 	trace_ocfs2_symlink_begin(dir, dentry, symname,
 				  dentry->d_name.len, dentry->d_name.name);
@@ -1830,6 +1941,8 @@ static int ocfs2_symlink(struct inode *dir,
 		goto bail;
 	}
 
+	dl = dentry->d_fsdata;
+
 	status = ocfs2_add_entry(handle, dentry, inode,
 				 le64_to_cpu(fe->i_blkno), parent_fe_bh,
 				 &lookup);
@@ -1865,6 +1978,16 @@ bail:
 	if (xattr_ac)
 		ocfs2_free_alloc_context(xattr_ac);
 	if ((status < 0) && inode) {
+		if (dl) {
+			ocfs2_simple_drop_lockres(osb, &dl->dl_lockres);
+			ocfs2_lock_res_free(&dl->dl_lockres);
+			BUG_ON(dl->dl_count != 1);
+			spin_lock(&dentry_attach_lock);
+			dentry->d_fsdata = NULL;
+			spin_unlock(&dentry_attach_lock);
+			kfree(dl);
+			iput(inode);
+		}
 		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SKIP_ORPHAN_DIR;
 		clear_nlink(inode);
 		iput(inode);
@@ -2481,6 +2604,7 @@ int ocfs2_mv_orphaned_inode_to_new(struct inode *dir,
 	di->i_orphaned_slot = 0;
 	set_nlink(inode, 1);
 	ocfs2_set_links_count(di, inode->i_nlink);
+	ocfs2_update_inode_fsync_trans(handle, inode, 1);
 	ocfs2_journal_dirty(handle, di_bh);
 
 	status = ocfs2_add_entry(handle, dentry, inode,
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 553f53cc73ae..a780e20d4fba 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -30,6 +30,7 @@
 #include <linux/sched.h>
 #include <linux/wait.h>
 #include <linux/list.h>
+#include <linux/llist.h>
 #include <linux/rbtree.h>
 #include <linux/workqueue.h>
 #include <linux/kref.h>
@@ -274,19 +275,16 @@ enum ocfs2_mount_options
 	OCFS2_MOUNT_HB_GLOBAL = 1 << 14, /* Global heartbeat */
 };
 
-#define OCFS2_OSB_SOFT_RO			0x0001
-#define OCFS2_OSB_HARD_RO			0x0002
-#define OCFS2_OSB_ERROR_FS			0x0004
-#define OCFS2_OSB_DROP_DENTRY_LOCK_IMMED	0x0008
-
-#define OCFS2_DEFAULT_ATIME_QUANTUM		60
+#define OCFS2_OSB_SOFT_RO	0x0001
+#define OCFS2_OSB_HARD_RO	0x0002
+#define OCFS2_OSB_ERROR_FS	0x0004
+#define OCFS2_DEFAULT_ATIME_QUANTUM	60
 
 struct ocfs2_journal;
 struct ocfs2_slot_info;
 struct ocfs2_recovery_map;
 struct ocfs2_replay_map;
 struct ocfs2_quota_recovery;
-struct ocfs2_dentry_lock;
 struct ocfs2_super
 {
 	struct task_struct *commit_task;
@@ -414,10 +412,9 @@ struct ocfs2_super
 	struct list_head blocked_lock_list;
 	unsigned long blocked_lock_count;
 
-	/* List of dentry locks to release. Anyone can add locks to
-	 * the list, ocfs2_wq processes the list  */
-	struct ocfs2_dentry_lock *dentry_lock_list;
-	struct work_struct dentry_lock_work;
+	/* List of dquot structures to drop last reference to */
+	struct llist_head dquot_drop_list;
+	struct work_struct dquot_drop_work;
 
 	wait_queue_head_t		osb_mount_event;
 
@@ -579,18 +576,6 @@ static inline void ocfs2_set_osb_flag(struct ocfs2_super *osb,
 	spin_unlock(&osb->osb_lock);
 }
 
-
-static inline unsigned long  ocfs2_test_osb_flag(struct ocfs2_super *osb,
-						 unsigned long flag)
-{
-	unsigned long ret;
-
-	spin_lock(&osb->osb_lock);
-	ret = osb->osb_flags & flag;
-	spin_unlock(&osb->osb_lock);
-	return ret;
-}
-
 static inline void ocfs2_set_ro_flag(struct ocfs2_super *osb,
 				     int hard)
 {
diff --git a/fs/ocfs2/ocfs2_trace.h b/fs/ocfs2/ocfs2_trace.h
index 1b60c62aa9d6..90c997e4f1e8 100644
--- a/fs/ocfs2/ocfs2_trace.h
+++ b/fs/ocfs2/ocfs2_trace.h
@@ -788,7 +788,7 @@ DEFINE_OCFS2_UINT_UINT_UINT_EVENT(ocfs2_reserve_suballoc_bits_no_new_group);
 
 DEFINE_OCFS2_ULL_EVENT(ocfs2_reserve_new_inode_new_group);
 
-DEFINE_OCFS2_UINT_UINT_EVENT(ocfs2_block_group_set_bits);
+DEFINE_OCFS2_UINT_UINT_EVENT(ocfs2_alloc_dinode_update_bitmap);
 
 TRACE_EVENT(ocfs2_relink_block_group,
 	TP_PROTO(unsigned long long i_blkno, unsigned int chain,
diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h
index d5ab56cbe5c5..f266d67df3c6 100644
--- a/fs/ocfs2/quota.h
+++ b/fs/ocfs2/quota.h
@@ -28,6 +28,7 @@ struct ocfs2_dquot {
 	unsigned int dq_use_count;	/* Number of nodes having reference to this entry in global quota file */
 	s64 dq_origspace;	/* Last globally synced space usage */
 	s64 dq_originodes;	/* Last globally synced inode usage */
+	struct llist_node list;	/* Member of list of dquots to drop */
 };
 
 /* Description of one chunk to recover in memory */
@@ -110,6 +111,7 @@ int ocfs2_read_quota_phys_block(struct inode *inode, u64 p_block,
 int ocfs2_create_local_dquot(struct dquot *dquot);
 int ocfs2_local_release_dquot(handle_t *handle, struct dquot *dquot);
 int ocfs2_local_write_dquot(struct dquot *dquot);
+void ocfs2_drop_dquot_refs(struct work_struct *work);
 
 extern const struct dquot_operations ocfs2_quota_operations;
 extern struct quota_format_type ocfs2_quota_format;
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index d7b5108789e2..b990a62cff50 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -10,6 +10,7 @@
 #include <linux/jiffies.h>
 #include <linux/writeback.h>
 #include <linux/workqueue.h>
+#include <linux/llist.h>
 
 #include <cluster/masklog.h>
 
@@ -679,6 +680,27 @@ static int ocfs2_calc_qdel_credits(struct super_block *sb, int type)
 	       OCFS2_INODE_UPDATE_CREDITS;
 }
 
+void ocfs2_drop_dquot_refs(struct work_struct *work)
+{
+	struct ocfs2_super *osb = container_of(work, struct ocfs2_super,
+					       dquot_drop_work);
+	struct llist_node *list;
+	struct ocfs2_dquot *odquot, *next_odquot;
+
+	list = llist_del_all(&osb->dquot_drop_list);
+	llist_for_each_entry_safe(odquot, next_odquot, list, list) {
+		/* Drop the reference we acquired in ocfs2_dquot_release() */
+		dqput(&odquot->dq_dquot);
+	}
+}
+
+/*
+ * Called when the last reference to dquot is dropped. If we are called from
+ * downconvert thread, we cannot do all the handling here because grabbing
+ * quota lock could deadlock (the node holding the quota lock could need some
+ * other cluster lock to proceed but with blocked downconvert thread we cannot
+ * release any lock).
+ */
 static int ocfs2_release_dquot(struct dquot *dquot)
 {
 	handle_t *handle;
@@ -694,6 +716,19 @@ static int ocfs2_release_dquot(struct dquot *dquot)
 	/* Check whether we are not racing with some other dqget() */
 	if (atomic_read(&dquot->dq_count) > 1)
 		goto out;
+	/* Running from downconvert thread? Postpone quota processing to wq */
+	if (current == osb->dc_task) {
+		/*
+		 * Grab our own reference to dquot and queue it for delayed
+		 * dropping.  Quota code rechecks after calling
+		 * ->release_dquot() and won't free dquot structure.
+		 */
+		dqgrab(dquot);
+		/* First entry on list -> queue work */
+		if (llist_add(&OCFS2_DQUOT(dquot)->list, &osb->dquot_drop_list))
+			queue_work(ocfs2_wq, &osb->dquot_drop_work);
+		goto out;
+	}
 	status = ocfs2_lock_global_qf(oinfo, 1);
 	if (status < 0)
 		goto out;
diff --git a/fs/ocfs2/stackglue.c b/fs/ocfs2/stackglue.c
index 7509fccc17a4..83f1a665ae97 100644
--- a/fs/ocfs2/stackglue.c
+++ b/fs/ocfs2/stackglue.c
@@ -603,11 +603,25 @@ static struct kobj_attribute ocfs2_attr_cluster_stack =
 	       ocfs2_cluster_stack_show,
 	       ocfs2_cluster_stack_store);
 
+
+
+static ssize_t ocfs2_dlm_recover_show(struct kobject *kobj,
+					struct kobj_attribute *attr,
+					char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "1\n");
+}
+
+static struct kobj_attribute ocfs2_attr_dlm_recover_support =
+	__ATTR(dlm_recover_callback_support, S_IRUGO,
+	       ocfs2_dlm_recover_show, NULL);
+
 static struct attribute *ocfs2_attrs[] = {
 	&ocfs2_attr_max_locking_protocol.attr,
 	&ocfs2_attr_loaded_cluster_plugins.attr,
 	&ocfs2_attr_active_cluster_plugin.attr,
 	&ocfs2_attr_cluster_stack.attr,
+	&ocfs2_attr_dlm_recover_support.attr,
 	NULL,
 };
 
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 47ae2663a6f5..f7a3a73c068c 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -771,6 +771,7 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
 	spin_unlock(&OCFS2_I(alloc_inode)->ip_lock);
 	i_size_write(alloc_inode, le64_to_cpu(fe->i_size));
 	alloc_inode->i_blocks = ocfs2_inode_sector_count(alloc_inode);
+	ocfs2_update_inode_fsync_trans(handle, alloc_inode, 0);
 
 	status = 0;
 
@@ -1337,54 +1338,6 @@ static int ocfs2_block_group_find_clear_bits(struct ocfs2_super *osb,
 	return status;
 }
 
-int ocfs2_block_group_set_bits(handle_t *handle,
-					     struct inode *alloc_inode,
-					     struct ocfs2_group_desc *bg,
-					     struct buffer_head *group_bh,
-					     unsigned int bit_off,
-					     unsigned int num_bits)
-{
-	int status;
-	void *bitmap = bg->bg_bitmap;
-	int journal_type = OCFS2_JOURNAL_ACCESS_WRITE;
-
-	/* All callers get the descriptor via
-	 * ocfs2_read_group_descriptor().  Any corruption is a code bug. */
-	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));
-	BUG_ON(le16_to_cpu(bg->bg_free_bits_count) < num_bits);
-
-	trace_ocfs2_block_group_set_bits(bit_off, num_bits);
-
-	if (ocfs2_is_cluster_bitmap(alloc_inode))
-		journal_type = OCFS2_JOURNAL_ACCESS_UNDO;
-
-	status = ocfs2_journal_access_gd(handle,
-					 INODE_CACHE(alloc_inode),
-					 group_bh,
-					 journal_type);
-	if (status < 0) {
-		mlog_errno(status);
-		goto bail;
-	}
-
-	le16_add_cpu(&bg->bg_free_bits_count, -num_bits);
-	if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) {
-		ocfs2_error(alloc_inode->i_sb, "Group descriptor # %llu has bit"
-			    " count %u but claims %u are freed. num_bits %d",
-			    (unsigned long long)le64_to_cpu(bg->bg_blkno),
-			    le16_to_cpu(bg->bg_bits),
-			    le16_to_cpu(bg->bg_free_bits_count), num_bits);
-		return -EROFS;
-	}
-	while(num_bits--)
-		ocfs2_set_bit(bit_off++, bitmap);
-
-	ocfs2_journal_dirty(handle, group_bh);
-
-bail:
-	return status;
-}
-
 /* find the one with the most empty bits */
 static inline u16 ocfs2_find_victim_chain(struct ocfs2_chain_list *cl)
 {
@@ -1580,31 +1533,78 @@ static int ocfs2_block_group_search(struct inode *inode,
 	return ret;
 }
 
-int ocfs2_alloc_dinode_update_counts(struct inode *inode,
-				       handle_t *handle,
-				       struct buffer_head *di_bh,
-				       u32 num_bits,
-				       u16 chain)
+int ocfs2_alloc_dinode_update_bitmap(handle_t *handle,
+				struct inode *alloc_inode,
+				struct buffer_head *di_bh,
+				struct ocfs2_group_desc *bg,
+				struct buffer_head *group_bh,
+				u16 chain, u32 bit_off, u32 num_bits)
 {
 	int ret;
 	u32 tmp_used;
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *) di_bh->b_data;
 	struct ocfs2_chain_list *cl = (struct ocfs2_chain_list *) &di->id2.i_chain;
+	void *bitmap = bg->bg_bitmap;
+	int journal_type = OCFS2_JOURNAL_ACCESS_WRITE;
 
-	ret = ocfs2_journal_access_di(handle, INODE_CACHE(inode), di_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	/*
+	 * All callers get the descriptor via
+	 * ocfs2_read_group_descriptor().  Any corruption is a code bug.
+	 */
+	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));
+	BUG_ON(le16_to_cpu(bg->bg_free_bits_count) < num_bits);
+
+	trace_ocfs2_alloc_dinode_update_bitmap(bit_off, num_bits);
+
+	ret = ocfs2_journal_access_di(handle,
+			INODE_CACHE(alloc_inode), di_bh, journal_type);
+	if (ret < 0) {
+		mlog_errno(ret);
+		goto out;
+	}
+
+	if (ocfs2_is_cluster_bitmap(alloc_inode))
+		journal_type = OCFS2_JOURNAL_ACCESS_UNDO;
+
+	ret = ocfs2_journal_access_gd(handle,
+			INODE_CACHE(alloc_inode), group_bh, journal_type);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out;
 	}
 
+	/* update alloc_dinode counts */
 	tmp_used = le32_to_cpu(di->id1.bitmap1.i_used);
 	di->id1.bitmap1.i_used = cpu_to_le32(num_bits + tmp_used);
 	le32_add_cpu(&cl->cl_recs[chain].c_free, -num_bits);
+
+	/* update bg counts and bitmap*/
+	le16_add_cpu(&bg->bg_free_bits_count, -num_bits);
+	if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) {
+		ocfs2_error(alloc_inode->i_sb, "Group descriptor # %llu has bit"
+			" count %u but claims %u are freed. num_bits %d",
+			(unsigned long long)le64_to_cpu(bg->bg_blkno),
+			le16_to_cpu(bg->bg_bits),
+			le16_to_cpu(bg->bg_free_bits_count), num_bits);
+		ret = -EROFS;
+		goto out_rollback;
+	}
+	while (num_bits--)
+		ocfs2_set_bit(bit_off++, bitmap);
+
 	ocfs2_journal_dirty(handle, di_bh);
+	ocfs2_journal_dirty(handle, group_bh);
 
 out:
 	return ret;
+
+out_rollback:
+	le16_add_cpu(&bg->bg_free_bits_count, num_bits);
+
+	di->id1.bitmap1.i_used = cpu_to_le32(tmp_used - num_bits);
+	le32_add_cpu(&cl->cl_recs[chain].c_free, num_bits);
+
+	return ret;
 }
 
 static int ocfs2_bg_discontig_fix_by_rec(struct ocfs2_suballoc_result *res,
@@ -1697,19 +1697,15 @@ static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac,
 	if (ac->ac_find_loc_only)
 		goto out_loc_only;
 
-	ret = ocfs2_alloc_dinode_update_counts(alloc_inode, handle, ac->ac_bh,
-					       res->sr_bits,
-					       le16_to_cpu(gd->bg_chain));
+	ret = ocfs2_alloc_dinode_update_bitmap(handle,
+			alloc_inode, ac->ac_bh, gd, group_bh,
+			le16_to_cpu(gd->bg_chain),
+			res->sr_bit_offset, res->sr_bits);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out;
 	}
 
-	ret = ocfs2_block_group_set_bits(handle, alloc_inode, gd, group_bh,
-					 res->sr_bit_offset, res->sr_bits);
-	if (ret < 0)
-		mlog_errno(ret);
-
 out_loc_only:
 	*bits_left = le16_to_cpu(gd->bg_free_bits_count);
 
@@ -1823,20 +1819,9 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
 	if (ac->ac_find_loc_only)
 		goto out_loc_only;
 
-	status = ocfs2_alloc_dinode_update_counts(alloc_inode, handle,
-						  ac->ac_bh, res->sr_bits,
-						  chain);
-	if (status) {
-		mlog_errno(status);
-		goto bail;
-	}
-
-	status = ocfs2_block_group_set_bits(handle,
-					    alloc_inode,
-					    bg,
-					    group_bh,
-					    res->sr_bit_offset,
-					    res->sr_bits);
+	status = ocfs2_alloc_dinode_update_bitmap(handle,
+			alloc_inode, ac->ac_bh, bg, group_bh,
+			chain, res->sr_bit_offset, res->sr_bits);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -2091,7 +2076,7 @@ int ocfs2_find_new_inode_loc(struct inode *dir,
 
 	ac->ac_find_loc_priv = res;
 	*fe_blkno = res->sr_blkno;
-
+	ocfs2_update_inode_fsync_trans(handle, dir, 0);
 out:
 	if (handle)
 		ocfs2_commit_trans(OCFS2_SB(dir->i_sb), handle);
@@ -2134,20 +2119,9 @@ int ocfs2_claim_new_inode_at_loc(handle_t *handle,
 	bg = (struct ocfs2_group_desc *) bg_bh->b_data;
 	chain = le16_to_cpu(bg->bg_chain);
 
-	ret = ocfs2_alloc_dinode_update_counts(ac->ac_inode, handle,
-					       ac->ac_bh, res->sr_bits,
-					       chain);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
-
-	ret = ocfs2_block_group_set_bits(handle,
-					 ac->ac_inode,
-					 bg,
-					 bg_bh,
-					 res->sr_bit_offset,
-					 res->sr_bits);
+	ret = ocfs2_alloc_dinode_update_bitmap(handle,
+			ac->ac_inode, ac->ac_bh, bg, bg_bh,
+			chain, res->sr_bit_offset, res->sr_bits);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out;
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index 218d8036b3e7..f704f3a1172b 100644
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -85,19 +85,14 @@ int ocfs2_reserve_new_inode(struct ocfs2_super *osb,
 int ocfs2_reserve_clusters(struct ocfs2_super *osb,
 			   u32 bits_wanted,
 			   struct ocfs2_alloc_context **ac);
-
-int ocfs2_alloc_dinode_update_counts(struct inode *inode,
-			 handle_t *handle,
-			 struct buffer_head *di_bh,
-			 u32 num_bits,
-			 u16 chain);
-int ocfs2_block_group_set_bits(handle_t *handle,
-			 struct inode *alloc_inode,
-			 struct ocfs2_group_desc *bg,
-			 struct buffer_head *group_bh,
-			 unsigned int bit_off,
-			 unsigned int num_bits);
-
+int ocfs2_alloc_dinode_update_bitmap(handle_t *handle,
+				struct inode *alloc_inode,
+				struct buffer_head *di_bh,
+				struct ocfs2_group_desc *bg,
+				struct buffer_head *group_bh,
+				u16 chain,
+				u32 bit_off,
+				u32 num_bits);
 int ocfs2_claim_metadata(handle_t *handle,
 			 struct ocfs2_alloc_context *ac,
 			 u32 bits_wanted,
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 5f9bf8f9dfa7..6396494712d3 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -561,6 +561,9 @@ static struct inode *ocfs2_alloc_inode(struct super_block *sb)
 	if (!oi)
 		return NULL;
 
+	oi->i_sync_tid = 0;
+	oi->i_datasync_tid = 0;
+
 	jbd2_journal_init_jbd_inode(&oi->ip_jinode, &oi->vfs_inode);
 	return &oi->vfs_inode;
 }
@@ -1240,30 +1243,11 @@ static struct dentry *ocfs2_mount(struct file_system_type *fs_type,
 	return mount_bdev(fs_type, flags, dev_name, data, ocfs2_fill_super);
 }
 
-static void ocfs2_kill_sb(struct super_block *sb)
-{
-	struct ocfs2_super *osb = OCFS2_SB(sb);
-
-	/* Failed mount? */
-	if (!osb || atomic_read(&osb->vol_state) == VOLUME_DISABLED)
-		goto out;
-
-	/* Prevent further queueing of inode drop events */
-	spin_lock(&dentry_list_lock);
-	ocfs2_set_osb_flag(osb, OCFS2_OSB_DROP_DENTRY_LOCK_IMMED);
-	spin_unlock(&dentry_list_lock);
-	/* Wait for work to finish and/or remove it */
-	cancel_work_sync(&osb->dentry_lock_work);
-out:
-	kill_block_super(sb);
-}
-
 static struct file_system_type ocfs2_fs_type = {
 	.owner          = THIS_MODULE,
 	.name           = "ocfs2",
 	.mount          = ocfs2_mount,
-	.kill_sb        = ocfs2_kill_sb,
-
+	.kill_sb        = kill_block_super,
 	.fs_flags       = FS_REQUIRES_DEV|FS_RENAME_DOES_D_MOVE,
 	.next           = NULL
 };
@@ -1614,14 +1598,9 @@ static int ocfs2_show_options(struct seq_file *s, struct dentry *root)
 	return 0;
 }
 
-wait_queue_head_t ocfs2__ioend_wq[OCFS2_IOEND_WQ_HASH_SZ];
-
 static int __init ocfs2_init(void)
 {
-	int status, i;
-
-	for (i = 0; i < OCFS2_IOEND_WQ_HASH_SZ; i++)
-		init_waitqueue_head(&ocfs2__ioend_wq[i]);
+	int status;
 
 	status = init_ocfs2_uptodate_cache();
 	if (status < 0)
@@ -1763,7 +1742,7 @@ static void ocfs2_inode_init_once(void *data)
 	ocfs2_extent_map_init(&oi->vfs_inode);
 	INIT_LIST_HEAD(&oi->ip_io_markers);
 	oi->ip_dir_start_lookup = 0;
-	atomic_set(&oi->ip_unaligned_aio, 0);
+	mutex_init(&oi->ip_unaligned_aio);
 	init_rwsem(&oi->ip_alloc_sem);
 	init_rwsem(&oi->ip_xattr_sem);
 	mutex_init(&oi->ip_io_mutex);
@@ -1934,17 +1913,16 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
 
 	debugfs_remove(osb->osb_ctxt);
 
-	/*
-	 * Flush inode dropping work queue so that deletes are
-	 * performed while the filesystem is still working
-	 */
-	ocfs2_drop_all_dl_inodes(osb);
-
 	/* Orphan scan should be stopped as early as possible */
 	ocfs2_orphan_scan_stop(osb);
 
 	ocfs2_disable_quotas(osb);
 
+	/* All dquots should be freed by now */
+	WARN_ON(!llist_empty(&osb->dquot_drop_list));
+	/* Wait for worker to be done with the work structure in osb */
+	cancel_work_sync(&osb->dquot_drop_work);
+
 	ocfs2_shutdown_local_alloc(osb);
 
 	/* This will disable recovery and flush any recovery work. */
@@ -2079,7 +2057,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data;
 	struct inode *inode = NULL;
 	struct ocfs2_journal *journal;
-	__le32 uuid_net_key;
 	struct ocfs2_super *osb;
 	u64 total_blocks;
 
@@ -2278,8 +2255,8 @@ static int ocfs2_initialize_super(struct super_block *sb,
 	INIT_WORK(&journal->j_recovery_work, ocfs2_complete_recovery);
 	journal->j_state = OCFS2_JOURNAL_FREE;
 
-	INIT_WORK(&osb->dentry_lock_work, ocfs2_drop_dl_inodes);
-	osb->dentry_lock_list = NULL;
+	INIT_WORK(&osb->dquot_drop_work, ocfs2_drop_dquot_refs);
+	init_llist_head(&osb->dquot_drop_list);
 
 	/* get some pseudo constants for clustersize bits */
 	osb->s_clustersize_bits =
@@ -2313,8 +2290,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
 		goto bail;
 	}
 
-	memcpy(&uuid_net_key, di->id2.i_super.s_uuid, sizeof(uuid_net_key));
-
 	strncpy(osb->vol_label, di->id2.i_super.s_label, 63);
 	osb->vol_label[63] = '\0';
 	osb->root_blkno = le64_to_cpu(di->id2.i_super.s_root_blkno);
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 185fa3b7f962..14b8c46b4fbb 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -2602,6 +2602,7 @@ int ocfs2_xattr_remove(struct inode *inode, struct buffer_head *di_bh)
 	oi->ip_dyn_features &= ~(OCFS2_INLINE_XATTR_FL | OCFS2_HAS_XATTR_FL);
 	di->i_dyn_features = cpu_to_le16(oi->ip_dyn_features);
 	spin_unlock(&oi->ip_lock);
+	ocfs2_update_inode_fsync_trans(handle, inode, 0);
 
 	ocfs2_journal_dirty(handle, di_bh);
 out_commit:
@@ -3200,8 +3201,15 @@ meta_guess:
 			clusters_add += 1;
 		}
 	} else {
-		meta_add += 1;
 		credits += OCFS2_XATTR_BLOCK_CREATE_CREDITS;
+		if (xi->xi_value_len > OCFS2_XATTR_INLINE_SIZE) {
+			struct ocfs2_extent_list *el = &def_xv.xv.xr_list;
+			meta_add += ocfs2_extend_meta_needed(el);
+			credits += ocfs2_calc_extend_credits(inode->i_sb,
+							     el);
+		} else {
+			meta_add += 1;
+		}
 	}
 out:
 	if (clusters_need)
@@ -3614,6 +3622,7 @@ int ocfs2_xattr_set(struct inode *inode,
 	}
 
 	ret = __ocfs2_xattr_set_handle(inode, di, &xi, &xis, &xbs, &ctxt);
+	ocfs2_update_inode_fsync_trans(ctxt.handle, inode, 0);
 
 	ocfs2_commit_trans(osb, ctxt.handle);
 
@@ -5476,6 +5485,7 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode,
 	ret = ocfs2_truncate_log_append(osb, handle, blkno, len);
 	if (ret)
 		mlog_errno(ret);
+	ocfs2_update_inode_fsync_trans(handle, inode, 0);
 
 out_commit:
 	ocfs2_commit_trans(osb, handle);
diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index d8b0afde2179..ec58c7659183 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -183,7 +183,7 @@ int omfs_sync_inode(struct inode *inode)
  */
 static void omfs_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 
 	if (inode->i_nlink)
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 656e401794de..64db2bceac59 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -138,8 +138,8 @@ static const char * const task_state_array[] = {
 	"D (disk sleep)",	/*   2 */
 	"T (stopped)",		/*   4 */
 	"t (tracing stop)",	/*   8 */
-	"Z (zombie)",		/*  16 */
-	"X (dead)",		/*  32 */
+	"X (dead)",		/*  16 */
+	"Z (zombie)",		/*  32 */
 };
 
 static inline const char *get_task_state(struct task_struct *tsk)
diff --git a/fs/proc/base.c b/fs/proc/base.c
index a9b591a29dcb..a6087f35d820 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1204,6 +1204,9 @@ static ssize_t proc_fault_inject_write(struct file * file,
 	make_it_fail = simple_strtol(strstrip(buffer), &end, 0);
 	if (*end)
 		return -EINVAL;
+	if (make_it_fail < 0 || make_it_fail > 1)
+		return -EINVAL;
+
 	task = get_proc_task(file_inode(file));
 	if (!task)
 		return -ESRCH;
diff --git a/fs/proc/fd.c b/fs/proc/fd.c
index 985ea881b5bc..0788d093f5d8 100644
--- a/fs/proc/fd.c
+++ b/fs/proc/fd.c
@@ -11,6 +11,7 @@
 
 #include <linux/proc_fs.h>
 
+#include "../mount.h"
 #include "internal.h"
 #include "fd.h"
 
@@ -48,8 +49,9 @@ static int seq_show(struct seq_file *m, void *v)
 	}
 
 	if (!ret) {
-                seq_printf(m, "pos:\t%lli\nflags:\t0%o\n",
-			   (long long)file->f_pos, f_flags);
+		seq_printf(m, "pos:\t%lli\nflags:\t0%o\nmnt_id:\t%i\n",
+			   (long long)file->f_pos, f_flags,
+			   real_mount(file->f_path.mnt)->mnt_id);
 		if (file->f_op->show_fdinfo)
 			ret = file->f_op->show_fdinfo(m, file);
 		fput(file);
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 124fc43c7090..8f20e3404fd2 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -35,7 +35,7 @@ static void proc_evict_inode(struct inode *inode)
 	const struct proc_ns_operations *ns_ops;
 	void *ns;
 
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 
 	/* Stop tracking associated processes */
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index 136e548d9567..7445af0b1aa3 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -73,7 +73,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
 	available += pagecache;
 
 	/*
-	 * Part of the reclaimable swap consists of items that are in use,
+	 * Part of the reclaimable slab consists of items that are in use,
 	 * and cannot be freed. Cap this estimate at the low watermark.
 	 */
 	available += global_page_state(NR_SLAB_RECLAIMABLE) -
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index fb52b548080d..f75ce811d430 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1,4 +1,5 @@
 #include <linux/mm.h>
+#include <linux/vmacache.h>
 #include <linux/hugetlb.h>
 #include <linux/huge_mm.h>
 #include <linux/mount.h>
@@ -152,7 +153,7 @@ static void *m_start(struct seq_file *m, loff_t *pos)
 
 	/*
 	 * We remember last_addr rather than next_addr to hit with
-	 * mmap_cache most of the time. We have zero last_addr at
+	 * vmacache most of the time. We have zero last_addr at
 	 * the beginning and also after lseek. We will have -1 last_addr
 	 * after the end of the vmas.
 	 */
@@ -423,7 +424,6 @@ const struct file_operations proc_tid_maps_operations = {
 
 #ifdef CONFIG_PROC_PAGE_MONITOR
 struct mem_size_stats {
-	struct vm_area_struct *vma;
 	unsigned long resident;
 	unsigned long shared_clean;
 	unsigned long shared_dirty;
@@ -437,15 +437,16 @@ struct mem_size_stats {
 	u64 pss;
 };
 
-
-static void smaps_pte_entry(pte_t ptent, unsigned long addr,
-		unsigned long ptent_size, struct mm_walk *walk)
+static int smaps_pte(pte_t *pte, unsigned long addr, unsigned long end,
+			struct mm_walk *walk)
 {
 	struct mem_size_stats *mss = walk->private;
-	struct vm_area_struct *vma = mss->vma;
+	struct vm_area_struct *vma = walk->vma;
 	pgoff_t pgoff = linear_page_index(vma, addr);
 	struct page *page = NULL;
 	int mapcount;
+	pte_t ptent = *pte;
+	unsigned long ptent_size = end - addr;
 
 	if (pte_present(ptent)) {
 		page = vm_normal_page(vma, addr, ptent);
@@ -462,7 +463,7 @@ static void smaps_pte_entry(pte_t ptent, unsigned long addr,
 	}
 
 	if (!page)
-		return;
+		return 0;
 
 	if (PageAnon(page))
 		mss->anonymous += ptent_size;
@@ -488,35 +489,22 @@ static void smaps_pte_entry(pte_t ptent, unsigned long addr,
 			mss->private_clean += ptent_size;
 		mss->pss += (ptent_size << PSS_SHIFT);
 	}
+	return 0;
 }
 
-static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
-			   struct mm_walk *walk)
+static int smaps_pmd(pmd_t *pmd, unsigned long addr, unsigned long end,
+			struct mm_walk *walk)
 {
 	struct mem_size_stats *mss = walk->private;
-	struct vm_area_struct *vma = mss->vma;
-	pte_t *pte;
 	spinlock_t *ptl;
 
-	if (pmd_trans_huge_lock(pmd, vma, &ptl) == 1) {
-		smaps_pte_entry(*(pte_t *)pmd, addr, HPAGE_PMD_SIZE, walk);
+	if (pmd_trans_huge_lock(pmd, walk->vma, &ptl) == 1) {
+		smaps_pte((pte_t *)pmd, addr, addr + HPAGE_PMD_SIZE, walk);
 		spin_unlock(ptl);
 		mss->anonymous_thp += HPAGE_PMD_SIZE;
-		return 0;
+		/* don't call smaps_pte() */
+		walk->skip = 1;
 	}
-
-	if (pmd_trans_unstable(pmd))
-		return 0;
-	/*
-	 * The mmap_sem held all the way back in m_start() is what
-	 * keeps khugepaged out of here and from collapsing things
-	 * in here.
-	 */
-	pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
-	for (; addr != end; pte++, addr += PAGE_SIZE)
-		smaps_pte_entry(*pte, addr, PAGE_SIZE, walk);
-	pte_unmap_unlock(pte - 1, ptl);
-	cond_resched();
 	return 0;
 }
 
@@ -581,16 +569,16 @@ static int show_smap(struct seq_file *m, void *v, int is_pid)
 	struct vm_area_struct *vma = v;
 	struct mem_size_stats mss;
 	struct mm_walk smaps_walk = {
-		.pmd_entry = smaps_pte_range,
+		.pmd_entry = smaps_pmd,
+		.pte_entry = smaps_pte,
 		.mm = vma->vm_mm,
+		.vma = vma,
 		.private = &mss,
 	};
 
 	memset(&mss, 0, sizeof mss);
-	mss.vma = vma;
 	/* mmap_sem is held in m_start */
-	if (vma->vm_mm && !is_vm_hugetlb_page(vma))
-		walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk);
+	walk_page_vma(vma, &smaps_walk);
 
 	show_map_vma(m, vma, is_pid);
 
@@ -711,7 +699,6 @@ enum clear_refs_types {
 };
 
 struct clear_refs_private {
-	struct vm_area_struct *vma;
 	enum clear_refs_types type;
 };
 
@@ -743,41 +730,43 @@ static inline void clear_soft_dirty(struct vm_area_struct *vma,
 #endif
 }
 
-static int clear_refs_pte_range(pmd_t *pmd, unsigned long addr,
+static int clear_refs_pte(pte_t *pte, unsigned long addr,
 				unsigned long end, struct mm_walk *walk)
 {
 	struct clear_refs_private *cp = walk->private;
-	struct vm_area_struct *vma = cp->vma;
-	pte_t *pte, ptent;
-	spinlock_t *ptl;
+	struct vm_area_struct *vma = walk->vma;
 	struct page *page;
 
-	split_huge_page_pmd(vma, addr, pmd);
-	if (pmd_trans_unstable(pmd))
+	if (cp->type == CLEAR_REFS_SOFT_DIRTY) {
+		clear_soft_dirty(vma, addr, pte);
 		return 0;
+	}
+	if (!pte_present(*pte))
+		return 0;
+	page = vm_normal_page(vma, addr, *pte);
+	if (!page)
+		return 0;
+	/* Clear accessed and referenced bits. */
+	ptep_test_and_clear_young(vma, addr, pte);
+	ClearPageReferenced(page);
+	return 0;
+}
 
-	pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
-	for (; addr != end; pte++, addr += PAGE_SIZE) {
-		ptent = *pte;
-
-		if (cp->type == CLEAR_REFS_SOFT_DIRTY) {
-			clear_soft_dirty(vma, addr, pte);
-			continue;
-		}
-
-		if (!pte_present(ptent))
-			continue;
-
-		page = vm_normal_page(vma, addr, ptent);
-		if (!page)
-			continue;
+static int clear_refs_test_walk(unsigned long start, unsigned long end,
+				struct mm_walk *walk)
+{
+	struct clear_refs_private *cp = walk->private;
+	struct vm_area_struct *vma = walk->vma;
 
-		/* Clear accessed and referenced bits. */
-		ptep_test_and_clear_young(vma, addr, pte);
-		ClearPageReferenced(page);
-	}
-	pte_unmap_unlock(pte - 1, ptl);
-	cond_resched();
+	/*
+	 * Writing 1 to /proc/pid/clear_refs affects all pages.
+	 * Writing 2 to /proc/pid/clear_refs only affects anonymous pages.
+	 * Writing 3 to /proc/pid/clear_refs only affects file mapped pages.
+	 */
+	if (cp->type == CLEAR_REFS_ANON && vma->vm_file)
+		walk->skip = 1;
+	if (cp->type == CLEAR_REFS_MAPPED && !vma->vm_file)
+		walk->skip = 1;
 	return 0;
 }
 
@@ -819,33 +808,16 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf,
 			.type = type,
 		};
 		struct mm_walk clear_refs_walk = {
-			.pmd_entry = clear_refs_pte_range,
+			.pte_entry = clear_refs_pte,
+			.test_walk = clear_refs_test_walk,
 			.mm = mm,
 			.private = &cp,
 		};
 		down_read(&mm->mmap_sem);
 		if (type == CLEAR_REFS_SOFT_DIRTY)
 			mmu_notifier_invalidate_range_start(mm, 0, -1);
-		for (vma = mm->mmap; vma; vma = vma->vm_next) {
-			cp.vma = vma;
-			if (is_vm_hugetlb_page(vma))
-				continue;
-			/*
-			 * Writing 1 to /proc/pid/clear_refs affects all pages.
-			 *
-			 * Writing 2 to /proc/pid/clear_refs only affects
-			 * Anonymous pages.
-			 *
-			 * Writing 3 to /proc/pid/clear_refs only affects file
-			 * mapped pages.
-			 */
-			if (type == CLEAR_REFS_ANON && vma->vm_file)
-				continue;
-			if (type == CLEAR_REFS_MAPPED && !vma->vm_file)
-				continue;
-			walk_page_range(vma->vm_start, vma->vm_end,
-					&clear_refs_walk);
-		}
+		for (vma = mm->mmap; vma; vma = vma->vm_next)
+			walk_page_vma(vma, &clear_refs_walk);
 		if (type == CLEAR_REFS_SOFT_DIRTY)
 			mmu_notifier_invalidate_range_end(mm, 0, -1);
 		flush_tlb_mm(mm);
@@ -986,19 +958,33 @@ static inline void thp_pmd_to_pagemap_entry(pagemap_entry_t *pme, struct pagemap
 }
 #endif
 
-static int pagemap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
+static int pagemap_pte(pte_t *pte, unsigned long addr, unsigned long end,
 			     struct mm_walk *walk)
 {
-	struct vm_area_struct *vma;
+	struct vm_area_struct *vma = walk->vma;
 	struct pagemapread *pm = walk->private;
-	spinlock_t *ptl;
-	pte_t *pte;
+	pagemap_entry_t pme = make_pme(PM_NOT_PRESENT(pm->v2));
+
+	if (vma && vma->vm_start <= addr && end <= vma->vm_end) {
+		pte_to_pagemap_entry(&pme, pm, vma, addr, *pte);
+		/* unmap before userspace copy */
+		pte_unmap(pte);
+	}
+	return add_to_pagemap(addr, &pme, pm);
+}
+
+static int pagemap_pmd(pmd_t *pmd, unsigned long addr, unsigned long end,
+			     struct mm_walk *walk)
+{
 	int err = 0;
+	struct vm_area_struct *vma = walk->vma;
+	struct pagemapread *pm = walk->private;
 	pagemap_entry_t pme = make_pme(PM_NOT_PRESENT(pm->v2));
+	spinlock_t *ptl;
 
-	/* find the first VMA at or above 'addr' */
-	vma = find_vma(walk->mm, addr);
-	if (vma && pmd_trans_huge_lock(pmd, vma, &ptl) == 1) {
+	if (!vma)
+		return err;
+	if (pmd_trans_huge_lock(pmd, vma, &ptl) == 1) {
 		int pmd_flags2;
 
 		if ((vma->vm_flags & VM_SOFTDIRTY) || pmd_soft_dirty(*pmd))
@@ -1017,41 +1003,9 @@ static int pagemap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
 				break;
 		}
 		spin_unlock(ptl);
-		return err;
-	}
-
-	if (pmd_trans_unstable(pmd))
-		return 0;
-	for (; addr != end; addr += PAGE_SIZE) {
-		int flags2;
-
-		/* check to see if we've left 'vma' behind
-		 * and need a new, higher one */
-		if (vma && (addr >= vma->vm_end)) {
-			vma = find_vma(walk->mm, addr);
-			if (vma && (vma->vm_flags & VM_SOFTDIRTY))
-				flags2 = __PM_SOFT_DIRTY;
-			else
-				flags2 = 0;
-			pme = make_pme(PM_NOT_PRESENT(pm->v2) | PM_STATUS2(pm->v2, flags2));
-		}
-
-		/* check that 'vma' actually covers this address,
-		 * and that it isn't a huge page vma */
-		if (vma && (vma->vm_start <= addr) &&
-		    !is_vm_hugetlb_page(vma)) {
-			pte = pte_offset_map(pmd, addr);
-			pte_to_pagemap_entry(&pme, pm, vma, addr, *pte);
-			/* unmap before userspace copy */
-			pte_unmap(pte);
-		}
-		err = add_to_pagemap(addr, &pme, pm);
-		if (err)
-			return err;
+		/* don't call pagemap_pte() */
+		walk->skip = 1;
 	}
-
-	cond_resched();
-
 	return err;
 }
 
@@ -1069,24 +1023,22 @@ static void huge_pte_to_pagemap_entry(pagemap_entry_t *pme, struct pagemapread *
 }
 
 /* This function walks within one hugetlb entry in the single call */
-static int pagemap_hugetlb_range(pte_t *pte, unsigned long hmask,
-				 unsigned long addr, unsigned long end,
+static int pagemap_hugetlb(pte_t *pte, unsigned long addr, unsigned long end,
 				 struct mm_walk *walk)
 {
 	struct pagemapread *pm = walk->private;
-	struct vm_area_struct *vma;
+	struct vm_area_struct *vma = walk->vma;
 	int err = 0;
 	int flags2;
 	pagemap_entry_t pme;
+	unsigned long hmask;
 
-	vma = find_vma(walk->mm, addr);
-	WARN_ON_ONCE(!vma);
-
-	if (vma && (vma->vm_flags & VM_SOFTDIRTY))
+	if (vma->vm_flags & VM_SOFTDIRTY)
 		flags2 = __PM_SOFT_DIRTY;
 	else
 		flags2 = 0;
 
+	hmask = huge_page_mask(hstate_vma(vma));
 	for (; addr != end; addr += PAGE_SIZE) {
 		int offset = (addr & ~hmask) >> PAGE_SHIFT;
 		huge_pte_to_pagemap_entry(&pme, pm, *pte, offset, flags2);
@@ -1094,9 +1046,6 @@ static int pagemap_hugetlb_range(pte_t *pte, unsigned long hmask,
 		if (err)
 			return err;
 	}
-
-	cond_resched();
-
 	return err;
 }
 #endif /* HUGETLB_PAGE */
@@ -1163,10 +1112,11 @@ static ssize_t pagemap_read(struct file *file, char __user *buf,
 	if (!mm || IS_ERR(mm))
 		goto out_free;
 
-	pagemap_walk.pmd_entry = pagemap_pte_range;
+	pagemap_walk.pte_entry = pagemap_pte;
+	pagemap_walk.pmd_entry = pagemap_pmd;
 	pagemap_walk.pte_hole = pagemap_pte_hole;
 #ifdef CONFIG_HUGETLB_PAGE
-	pagemap_walk.hugetlb_entry = pagemap_hugetlb_range;
+	pagemap_walk.hugetlb_entry = pagemap_hugetlb;
 #endif
 	pagemap_walk.mm = mm;
 	pagemap_walk.private = &pm;
@@ -1242,7 +1192,6 @@ const struct file_operations proc_pagemap_operations = {
 #ifdef CONFIG_NUMA
 
 struct numa_maps {
-	struct vm_area_struct *vma;
 	unsigned long pages;
 	unsigned long anon;
 	unsigned long active;
@@ -1308,44 +1257,42 @@ static struct page *can_gather_numa_stats(pte_t pte, struct vm_area_struct *vma,
 	return page;
 }
 
-static int gather_pte_stats(pmd_t *pmd, unsigned long addr,
+static int gather_pte_stats(pte_t *pte, unsigned long addr,
 		unsigned long end, struct mm_walk *walk)
 {
-	struct numa_maps *md;
-	spinlock_t *ptl;
-	pte_t *orig_pte;
-	pte_t *pte;
+	struct numa_maps *md = walk->private;
 
-	md = walk->private;
+	struct page *page = can_gather_numa_stats(*pte, walk->vma, addr);
+	if (!page)
+		return 0;
+	gather_stats(page, md, pte_dirty(*pte), 1);
+	return 0;
+}
+
+static int gather_pmd_stats(pmd_t *pmd, unsigned long addr,
+		unsigned long end, struct mm_walk *walk)
+{
+	struct numa_maps *md = walk->private;
+	struct vm_area_struct *vma = walk->vma;
+	spinlock_t *ptl;
 
-	if (pmd_trans_huge_lock(pmd, md->vma, &ptl) == 1) {
+	if (pmd_trans_huge_lock(pmd, vma, &ptl) == 1) {
 		pte_t huge_pte = *(pte_t *)pmd;
 		struct page *page;
 
-		page = can_gather_numa_stats(huge_pte, md->vma, addr);
+		page = can_gather_numa_stats(huge_pte, vma, addr);
 		if (page)
 			gather_stats(page, md, pte_dirty(huge_pte),
 				     HPAGE_PMD_SIZE/PAGE_SIZE);
 		spin_unlock(ptl);
-		return 0;
+		/* don't call gather_pte_stats() */
+		walk->skip = 1;
 	}
-
-	if (pmd_trans_unstable(pmd))
-		return 0;
-	orig_pte = pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl);
-	do {
-		struct page *page = can_gather_numa_stats(*pte, md->vma, addr);
-		if (!page)
-			continue;
-		gather_stats(page, md, pte_dirty(*pte), 1);
-
-	} while (pte++, addr += PAGE_SIZE, addr != end);
-	pte_unmap_unlock(orig_pte, ptl);
 	return 0;
 }
 #ifdef CONFIG_HUGETLB_PAGE
-static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
-		unsigned long addr, unsigned long end, struct mm_walk *walk)
+static int gather_hugetlb_stats(pte_t *pte, unsigned long addr,
+				unsigned long end, struct mm_walk *walk)
 {
 	struct numa_maps *md;
 	struct page *page;
@@ -1353,6 +1300,9 @@ static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
 	if (pte_none(*pte))
 		return 0;
 
+	if (!pte_present(*pte))
+		return 0;
+
 	page = pte_page(*pte);
 	if (!page)
 		return 0;
@@ -1363,8 +1313,8 @@ static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
 }
 
 #else
-static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
-		unsigned long addr, unsigned long end, struct mm_walk *walk)
+static int gather_hugetlb_stats(pte_t *pte, unsigned long addr,
+				unsigned long end, struct mm_walk *walk)
 {
 	return 0;
 }
@@ -1393,12 +1343,12 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
 	/* Ensure we start with an empty set of numa_maps statistics. */
 	memset(md, 0, sizeof(*md));
 
-	md->vma = vma;
-
-	walk.hugetlb_entry = gather_hugetbl_stats;
-	walk.pmd_entry = gather_pte_stats;
+	walk.hugetlb_entry = gather_hugetlb_stats;
+	walk.pmd_entry = gather_pmd_stats;
+	walk.pte_entry = gather_pte_stats;
 	walk.private = md;
 	walk.mm = mm;
+	walk.vma = vma;
 
 	pol = get_vma_policy(task, vma, vma->vm_start);
 	mpol_to_str(buffer, sizeof(buffer), pol);
@@ -1429,6 +1379,7 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
 	if (is_vm_hugetlb_page(vma))
 		seq_printf(m, " huge");
 
+	/* mmap_sem is held by m_start */
 	walk_page_range(vma->vm_start, vma->vm_end, &walk);
 
 	if (!md->pages)
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 88d4585b30f1..6a8e785b29da 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -484,7 +484,6 @@ static int __init update_note_header_size_elf64(const Elf64_Ehdr *ehdr_ptr)
 		phdr_ptr->p_memsz = real_sz;
 		if (real_sz == 0) {
 			pr_warn("Warning: Zero PT_NOTE entries found\n");
-			return -EINVAL;
 		}
 	}
 
@@ -671,7 +670,6 @@ static int __init update_note_header_size_elf32(const Elf32_Ehdr *ehdr_ptr)
 		phdr_ptr->p_memsz = real_sz;
 		if (real_sz == 0) {
 			pr_warn("Warning: Zero PT_NOTE entries found\n");
-			return -EINVAL;
 		}
 	}
 
@@ -1118,4 +1116,3 @@ void vmcore_cleanup(void)
 	}
 	free_elfcorebuf();
 }
-EXPORT_SYMBOL_GPL(vmcore_cleanup);
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index cfc8dcc16043..9cd5f63715c0 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -528,7 +528,7 @@ restart:
 		if (atomic_read(&dquot->dq_count)) {
 			DEFINE_WAIT(wait);
 
-			atomic_inc(&dquot->dq_count);
+			dqgrab(dquot);
 			prepare_to_wait(&dquot->dq_wait_unused, &wait,
 					TASK_UNINTERRUPTIBLE);
 			spin_unlock(&dq_list_lock);
@@ -632,7 +632,7 @@ int dquot_writeback_dquots(struct super_block *sb, int type)
 			/* Now we have active dquot from which someone is
  			 * holding reference so we can safely just increase
 			 * use count */
-			atomic_inc(&dquot->dq_count);
+			dqgrab(dquot);
 			spin_unlock(&dq_list_lock);
 			dqstats_inc(DQST_LOOKUPS);
 			err = sb->dq_op->write_dquot(dquot);
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index ad62bdbb451e..bc8b8009897d 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -35,7 +35,7 @@ void reiserfs_evict_inode(struct inode *inode)
 	if (!inode->i_nlink && !is_bad_inode(inode))
 		dquot_initialize(inode);
 
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	if (inode->i_nlink)
 		goto no_delete;
 
diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
index 8d06adf89948..83d4eac8059a 100644
--- a/fs/reiserfs/reiserfs.h
+++ b/fs/reiserfs/reiserfs.h
@@ -2831,6 +2831,7 @@ void reiserfs_init_alloc_options(struct super_block *s);
  */
 __le32 reiserfs_choose_packing(struct inode *dir);
 
+void show_alloc_options(struct seq_file *seq, struct super_block *s);
 int reiserfs_init_bitmap_cache(struct super_block *sb);
 void reiserfs_free_bitmap_cache(struct super_block *sb);
 void reiserfs_cache_bitmap_metadata(struct super_block *sb, struct buffer_head *bh, struct reiserfs_bitmap_info *info);
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index abf2b76c0d19..9fb20426005e 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -62,7 +62,6 @@ static int is_any_reiserfs_magic_string(struct reiserfs_super_block *rs)
 
 static int reiserfs_remount(struct super_block *s, int *flags, char *data);
 static int reiserfs_statfs(struct dentry *dentry, struct kstatfs *buf);
-void show_alloc_options(struct seq_file *seq, struct super_block *s);
 
 static int reiserfs_sync_fs(struct super_block *s, int wait)
 {
@@ -597,7 +596,7 @@ static void init_once(void *foo)
 	inode_init_once(&ei->vfs_inode);
 }
 
-static int init_inodecache(void)
+static int __init init_inodecache(void)
 {
 	reiserfs_inode_cachep = kmem_cache_create("reiser_inode_cache",
 						  sizeof(struct
diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c
index 4742e58f3fc5..88956309cc86 100644
--- a/fs/sysv/inode.c
+++ b/fs/sysv/inode.c
@@ -296,7 +296,7 @@ int sysv_sync_inode(struct inode *inode)
 
 static void sysv_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	if (!inode->i_nlink) {
 		inode->i_size = 0;
 		sysv_truncate(inode);
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 123c79b7261e..4f34dbae823d 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1538,6 +1538,7 @@ out_unlock:
 
 static const struct vm_operations_struct ubifs_file_vm_ops = {
 	.fault        = filemap_fault,
+	.map_pages = filemap_map_pages,
 	.page_mkwrite = ubifs_vm_page_mkwrite,
 	.remap_pages = generic_file_remap_pages,
 };
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index e1598abd7475..a1266089eca1 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -351,7 +351,7 @@ static void ubifs_evict_inode(struct inode *inode)
 	dbg_gen("inode %lu, mode %#x", inode->i_ino, (int)inode->i_mode);
 	ubifs_assert(!atomic_read(&inode->i_count));
 
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 
 	if (inode->i_nlink)
 		goto done;
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 982ce05c87ed..5d643706212f 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -146,8 +146,8 @@ void udf_evict_inode(struct inode *inode)
 		want_delete = 1;
 		udf_setsize(inode, 0);
 		udf_update_inode(inode, IS_SYNC(inode));
-	} else
-		truncate_inode_pages(&inode->i_data, 0);
+	}
+	truncate_inode_pages_final(&inode->i_data);
 	invalidate_inode_buffers(inode);
 	clear_inode(inode);
 	if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB &&
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index c8ca96086784..61e8a9b021dd 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -885,7 +885,7 @@ void ufs_evict_inode(struct inode * inode)
 	if (!inode->i_nlink && !is_bad_inode(inode))
 		want_delete = 1;
 
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	if (want_delete) {
 		loff_t old_i_size;
 		/*UFS_I(inode)->i_dtime = CURRENT_TIME;*/
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index f7abff8c16ca..003c0051b62f 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1483,6 +1483,7 @@ const struct file_operations xfs_dir_file_operations = {
 
 static const struct vm_operations_struct xfs_file_vm_ops = {
 	.fault		= filemap_fault,
+	.map_pages	= filemap_map_pages,
 	.page_mkwrite	= xfs_vm_page_mkwrite,
 	.remap_pages	= generic_file_remap_pages,
 };
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index ebd79be7d5f4..205376776377 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -996,7 +996,7 @@ xfs_fs_evict_inode(
 
 	trace_xfs_evict_inode(ip);
 
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	clear_inode(inode);
 	XFS_STATS_INC(vn_rele);
 	XFS_STATS_INC(vn_remove);
author	Stephen Rothwell <sfr@canb.auug.org.au>	2014-04-03 15:02:54 +1100
committer	Stephen Rothwell <sfr@canb.auug.org.au>	2014-04-03 15:02:58 +1100
commit	d7eaf400f583154283e26244ee671585cd413156 (patch)
tree	6ac8efcd27bf4d9e8aef4862eeb0b45fca4a5187 /fs
parent	79b1d1f5860545973461d0dcb1f0e8d9c32dbdbe (diff)
parent	f684c699592229c3aebf656363bcb0cf86df2570 (diff)