summaryrefslogtreecommitdiff
path: root/fs/hfs/inode.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/hfs/inode.c')
-rw-r--r--fs/hfs/inode.c64
1 files changed, 38 insertions, 26 deletions
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index 761ec06354b4..f9299d8a64e3 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -14,6 +14,7 @@
#include <linux/pagemap.h>
#include <linux/mpage.h>
#include <linux/sched.h>
+#include <linux/aio.h>
#include "hfs_fs.h"
#include "btree.h"
@@ -35,6 +36,16 @@ static int hfs_readpage(struct file *file, struct page *page)
return block_read_full_page(page, hfs_get_block);
}
+static void hfs_write_failed(struct address_space *mapping, loff_t to)
+{
+ struct inode *inode = mapping->host;
+
+ if (to > inode->i_size) {
+ truncate_pagecache(inode, to, inode->i_size);
+ hfs_file_truncate(inode);
+ }
+}
+
static int hfs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
@@ -45,11 +56,8 @@ static int hfs_write_begin(struct file *file, struct address_space *mapping,
ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
hfs_get_block,
&HFS_I(mapping->host)->phys_size);
- if (unlikely(ret)) {
- loff_t isize = mapping->host->i_size;
- if (pos + len > isize)
- vmtruncate(mapping->host, isize);
- }
+ if (unlikely(ret))
+ hfs_write_failed(mapping, pos + len);
return ret;
}
@@ -120,7 +128,8 @@ static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb,
const struct iovec *iov, loff_t offset, unsigned long nr_segs)
{
struct file *file = iocb->ki_filp;
- struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host;
+ struct address_space *mapping = file->f_mapping;
+ struct inode *inode = file_inode(file)->i_mapping->host;
ssize_t ret;
ret = blockdev_direct_IO(rw, iocb, inode, iov, offset, nr_segs,
@@ -135,7 +144,7 @@ static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb,
loff_t end = offset + iov_length(iov, nr_segs);
if (end > isize)
- vmtruncate(inode, isize);
+ hfs_write_failed(mapping, end);
}
return ret;
@@ -220,7 +229,7 @@ struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, umode_t mode)
insert_inode_hash(inode);
mark_inode_dirty(inode);
set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags);
- sb->s_dirt = 1;
+ hfs_mark_mdb_dirty(sb);
return inode;
}
@@ -229,13 +238,13 @@ void hfs_delete_inode(struct inode *inode)
{
struct super_block *sb = inode->i_sb;
- dprint(DBG_INODE, "delete_inode: %lu\n", inode->i_ino);
+ hfs_dbg(INODE, "delete_inode: %lu\n", inode->i_ino);
if (S_ISDIR(inode->i_mode)) {
HFS_SB(sb)->folder_count--;
if (HFS_I(inode)->cat_key.ParID == cpu_to_be32(HFS_ROOT_CNID))
HFS_SB(sb)->root_dirs--;
set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags);
- sb->s_dirt = 1;
+ hfs_mark_mdb_dirty(sb);
return;
}
HFS_SB(sb)->file_count--;
@@ -248,7 +257,7 @@ void hfs_delete_inode(struct inode *inode)
}
}
set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags);
- sb->s_dirt = 1;
+ hfs_mark_mdb_dirty(sb);
}
void hfs_inode_read_fork(struct inode *inode, struct hfs_extent *ext,
@@ -408,9 +417,12 @@ int hfs_write_inode(struct inode *inode, struct writeback_control *wbc)
struct inode *main_inode = inode;
struct hfs_find_data fd;
hfs_cat_rec rec;
+ int res;
- dprint(DBG_INODE, "hfs_write_inode: %lu\n", inode->i_ino);
- hfs_ext_write_extent(inode);
+ hfs_dbg(INODE, "hfs_write_inode: %lu\n", inode->i_ino);
+ res = hfs_ext_write_extent(inode);
+ if (res)
+ return res;
if (inode->i_ino < HFS_FIRSTUSER_CNID) {
switch (inode->i_ino) {
@@ -489,7 +501,7 @@ out:
}
static struct dentry *hfs_file_lookup(struct inode *dir, struct dentry *dentry,
- struct nameidata *nd)
+ unsigned int flags)
{
struct inode *inode = NULL;
hfs_cat_rec rec;
@@ -507,7 +519,11 @@ static struct dentry *hfs_file_lookup(struct inode *dir, struct dentry *dentry,
if (!inode)
return ERR_PTR(-ENOMEM);
- hfs_find_init(HFS_SB(dir->i_sb)->cat_tree, &fd);
+ res = hfs_find_init(HFS_SB(dir->i_sb)->cat_tree, &fd);
+ if (res) {
+ iput(inode);
+ return ERR_PTR(res);
+ }
fd.search_key->cat = HFS_I(dir)->cat_key;
res = hfs_brec_read(&fd, &rec, sizeof(rec));
if (!res) {
@@ -594,9 +610,9 @@ int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr)
/* no uig/gid changes and limit which mode bits can be set */
if (((attr->ia_valid & ATTR_UID) &&
- (attr->ia_uid != hsb->s_uid)) ||
+ (!uid_eq(attr->ia_uid, hsb->s_uid))) ||
((attr->ia_valid & ATTR_GID) &&
- (attr->ia_gid != hsb->s_gid)) ||
+ (!gid_eq(attr->ia_gid, hsb->s_gid))) ||
((attr->ia_valid & ATTR_MODE) &&
((S_ISDIR(inode->i_mode) &&
(attr->ia_mode != inode->i_mode)) ||
@@ -617,9 +633,12 @@ int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr)
attr->ia_size != i_size_read(inode)) {
inode_dio_wait(inode);
- error = vmtruncate(inode, attr->ia_size);
+ error = inode_newsize_ok(inode, attr->ia_size);
if (error)
return error;
+
+ truncate_setsize(inode, attr->ia_size);
+ hfs_file_truncate(inode);
}
setattr_copy(inode, attr);
@@ -644,13 +663,7 @@ static int hfs_file_fsync(struct file *filp, loff_t start, loff_t end,
/* sync the superblock to buffers */
sb = inode->i_sb;
- if (sb->s_dirt) {
- lock_super(sb);
- sb->s_dirt = 0;
- if (!(sb->s_flags & MS_RDONLY))
- hfs_mdb_commit(sb);
- unlock_super(sb);
- }
+ flush_delayed_work(&HFS_SB(sb)->mdb_work);
/* .. finally sync the buffers to disk */
err = sync_blockdev(sb->s_bdev);
if (!ret)
@@ -674,7 +687,6 @@ static const struct file_operations hfs_file_operations = {
static const struct inode_operations hfs_file_inode_operations = {
.lookup = hfs_file_lookup,
- .truncate = hfs_file_truncate,
.setattr = hfs_inode_setattr,
.setxattr = hfs_setxattr,
.getxattr = hfs_getxattr,
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-17 12:36:53 +0000