diff options
44 files changed, 136 insertions, 190 deletions
diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c index 2b83850997c3..b0dcdbc50c15 100644 --- a/drivers/isdn/capi/capifs.c +++ b/drivers/isdn/capi/capifs.c @@ -118,7 +118,7 @@ capifs_fill_super(struct super_block *s, void *data, int silent) s->s_root = d_alloc_root(inode); if (s->s_root) return 0; - + printk("capifs: get root dentry failed\n"); iput(inode); fail: diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index 095fa5366690..9e2ec9f685c0 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -39,7 +39,6 @@ #include <linux/parser.h> #include <linux/notifier.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include <linux/usb/hcd.h> #include <asm/byteorder.h> #include "usb.h" diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index e2e8eda83f0d..d1d72d946b04 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -33,7 +33,6 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/poll.h> -#include <linux/smp_lock.h> #include <linux/device.h> #include <linux/moduleparam.h> diff --git a/fs/adfs/super.c b/fs/adfs/super.c index 4a3af7075c1d..d9803f73236f 100644 --- a/fs/adfs/super.c +++ b/fs/adfs/super.c @@ -352,11 +352,15 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent) struct adfs_sb_info *asb; struct inode *root; + lock_kernel(); + sb->s_flags |= MS_NODIRATIME; asb = kzalloc(sizeof(*asb), GFP_KERNEL); - if (!asb) + if (!asb) { + unlock_kernel(); return -ENOMEM; + } sb->s_fs_info = asb; /* set default options */ @@ -474,6 +478,7 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent) goto error; } else sb->s_root->d_op = &adfs_dentry_operations; + unlock_kernel(); return 0; error_free_bh: @@ -481,6 +486,7 @@ error_free_bh: error: sb->s_fs_info = NULL; kfree(asb); + unlock_kernel(); return -EINVAL; } diff --git a/fs/affs/super.c b/fs/affs/super.c index 33c4e7eef470..a167f96d79f7 100644 --- a/fs/affs/super.c +++ b/fs/affs/super.c @@ -16,7 +16,6 @@ #include <linux/parser.h> #include <linux/magic.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include "affs.h" @@ -46,8 +45,6 @@ affs_put_super(struct super_block *sb) struct affs_sb_info *sbi = AFFS_SB(sb); pr_debug("AFFS: put_super()\n"); - lock_kernel(); - if (!(sb->s_flags & MS_RDONLY) && sb->s_dirt) affs_commit_super(sb, 1, 1); @@ -56,8 +53,6 @@ affs_put_super(struct super_block *sb) affs_brelse(sbi->s_root_bh); kfree(sbi); sb->s_fs_info = NULL; - - unlock_kernel(); } static void @@ -302,6 +297,7 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent) sbi = kzalloc(sizeof(struct affs_sb_info), GFP_KERNEL); if (!sbi) return -ENOMEM; + sb->s_fs_info = sbi; mutex_init(&sbi->s_bmlock); spin_lock_init(&sbi->symlink_lock); @@ -527,7 +523,7 @@ affs_remount(struct super_block *sb, int *flags, char *data) kfree(new_opts); return -EINVAL; } - lock_kernel(); + replace_mount_options(sb, new_opts); sbi->s_flags = mount_flags; @@ -543,17 +539,15 @@ affs_remount(struct super_block *sb, int *flags, char *data) memcpy(sbi->s_volume, volume, 32); spin_unlock(&sbi->symlink_lock); - if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) { - unlock_kernel(); + if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) return 0; - } + if (*flags & MS_RDONLY) { affs_write_super(sb); affs_free_bitmap(sb); } else res = affs_init_bitmap(sb, flags); - unlock_kernel(); return res; } diff --git a/fs/afs/super.c b/fs/afs/super.c index 77e1e5a61154..eacf76d98ae0 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -19,7 +19,6 @@ #include <linux/mount.h> #include <linux/init.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/pagemap.h> #include <linux/parser.h> @@ -453,12 +452,8 @@ static void afs_put_super(struct super_block *sb) _enter(""); - lock_kernel(); - afs_put_volume(as->volume); - unlock_kernel(); - _leave(""); } diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index cb1bd38dc08c..9dd29c29fd12 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c @@ -19,7 +19,7 @@ #include <linux/param.h> #include <linux/time.h> #include <linux/compat.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include "autofs_i.h" @@ -978,15 +978,17 @@ static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp, } } +static DEFINE_MUTEX(autofs4_ioctl_mutex); + static long autofs4_root_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { long ret; struct inode *inode = filp->f_dentry->d_inode; - lock_kernel(); + mutex_lock(&autofs4_ioctl_mutex); ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg); - unlock_kernel(); + mutex_unlock(&autofs4_ioctl_mutex); return ret; } @@ -998,13 +1000,13 @@ static long autofs4_root_compat_ioctl(struct file *filp, struct inode *inode = filp->f_path.dentry->d_inode; int ret; - lock_kernel(); + mutex_lock(&autofs4_ioctl_mutex); if (cmd == AUTOFS_IOC_READY || cmd == AUTOFS_IOC_FAIL) ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg); else ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, (unsigned long)compat_ptr(arg)); - unlock_kernel(); + mutex_unlock(&autofs4_ioctl_mutex); return ret; } diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index c4daf0f5fc02..883e77acd5a8 100644 --- a/fs/bfs/inode.c +++ b/fs/bfs/inode.c @@ -12,7 +12,6 @@ #include <linux/slab.h> #include <linux/init.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <linux/vfs.h> #include <linux/writeback.h> @@ -215,14 +214,10 @@ static void bfs_put_super(struct super_block *s) if (!info) return; - lock_kernel(); - mutex_destroy(&info->bfs_lock); kfree(info->si_imap); kfree(info); s->s_fs_info = NULL; - - unlock_kernel(); } static int bfs_statfs(struct dentry *dentry, struct kstatfs *buf) diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 898d2a5cfad2..c6275a17093a 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -35,7 +35,6 @@ #include <linux/delay.h> #include <linux/kthread.h> #include <linux/freezer.h> -#include <linux/smp_lock.h> #include <net/ipv6.h> #include "cifsfs.h" #include "cifspdu.h" @@ -198,8 +197,6 @@ cifs_put_super(struct super_block *sb) return; } - lock_kernel(); - rc = cifs_umount(sb, cifs_sb); if (rc) cERROR(1, "cifs_umount failed with return code %d", rc); @@ -213,8 +210,6 @@ cifs_put_super(struct super_block *sb) unload_nls(cifs_sb->local_nls); bdi_destroy(&cifs_sb->bdi); kfree(cifs_sb); - - unlock_kernel(); } static int @@ -530,7 +525,9 @@ cifs_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, struct vfsmount *mnt) { int rc; - struct super_block *sb = sget(fs_type, NULL, set_anon_super, NULL); + struct super_block *sb; + + sb = sget(fs_type, NULL, set_anon_super, NULL); cFYI(1, "Devname: %s flags: %d ", dev_name, flags); diff --git a/fs/coda/inode.c b/fs/coda/inode.c index 6526e6f21ecf..bfe8179b1295 100644 --- a/fs/coda/inode.c +++ b/fs/coda/inode.c @@ -148,6 +148,8 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) int error; int idx; + lock_kernel(); + idx = get_device_index((struct coda_mount_data *) data); /* Ignore errors in data, for backward compatibility */ @@ -159,11 +161,13 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) vc = &coda_comms[idx]; if (!vc->vc_inuse) { printk("coda_read_super: No pseudo device\n"); + unlock_kernel(); return -EINVAL; } if ( vc->vc_sb ) { printk("coda_read_super: Device already mounted\n"); + unlock_kernel(); return -EBUSY; } @@ -202,7 +206,8 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) sb->s_root = d_alloc_root(root); if (!sb->s_root) goto error; - return 0; + unlock_kernel(); + return 0; error: bdi_destroy(&vc->bdi); @@ -212,6 +217,7 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) if (vc) vc->vc_sb = NULL; + unlock_kernel(); return -EINVAL; } diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index 98ad7c644ac0..e5bf0ea7be8a 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -31,7 +31,6 @@ #include <linux/security.h> #include <linux/compat.h> #include <linux/fs_stack.h> -#include <linux/smp_lock.h> #include "ecryptfs_kernel.h" /** @@ -284,11 +283,9 @@ static int ecryptfs_fasync(int fd, struct file *file, int flag) int rc = 0; struct file *lower_file = NULL; - lock_kernel(); lower_file = ecryptfs_file_to_lower(file); if (lower_file->f_op && lower_file->f_op->fasync) rc = lower_file->f_op->fasync(fd, lower_file, flag); - unlock_kernel(); return rc; } diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 1ec602673ea8..85df87d0f7b7 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -747,15 +747,16 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) __le32 features; int err; + err = -ENOMEM; sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) - return -ENOMEM; + goto failed_unlock; sbi->s_blockgroup_lock = kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL); if (!sbi->s_blockgroup_lock) { kfree(sbi); - return -ENOMEM; + goto failed_unlock; } sb->s_fs_info = sbi; sbi->s_sb_block = sb_block; @@ -1107,6 +1108,7 @@ failed_sbi: sb->s_fs_info = NULL; kfree(sbi->s_blockgroup_lock); kfree(sbi); +failed_unlock: return ret; } diff --git a/fs/ext3/super.c b/fs/ext3/super.c index a367dd044280..377768009106 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -411,9 +411,6 @@ static void ext3_put_super (struct super_block * sb) int i, err; dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED); - - lock_kernel(); - ext3_xattr_put_super(sb); err = journal_destroy(sbi->s_journal); sbi->s_journal = NULL; @@ -462,8 +459,6 @@ static void ext3_put_super (struct super_block * sb) sb->s_fs_info = NULL; kfree(sbi->s_blockgroup_lock); kfree(sbi); - - unlock_kernel(); } static struct kmem_cache *ext3_inode_cachep; @@ -1627,8 +1622,6 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) sbi->s_resgid = EXT3_DEF_RESGID; sbi->s_sb_block = sb_block; - unlock_kernel(); - blocksize = sb_min_blocksize(sb, EXT3_MIN_BLOCK_SIZE); if (!blocksize) { ext3_msg(sb, KERN_ERR, "error: unable to set blocksize"); @@ -2025,7 +2018,6 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) test_opt(sb,DATA_FLAGS) == EXT3_MOUNT_ORDERED_DATA ? "ordered": "writeback"); - lock_kernel(); return 0; cantfind_ext3: @@ -2055,7 +2047,6 @@ out_fail: sb->s_fs_info = NULL; kfree(sbi->s_blockgroup_lock); kfree(sbi); - lock_kernel(); return ret; } @@ -2538,8 +2529,6 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data) int i; #endif - lock_kernel(); - /* Store the original options */ lock_super(sb); old_sb_flags = sb->s_flags; @@ -2648,7 +2637,6 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data) kfree(old_opts.s_qf_names[i]); #endif unlock_super(sb); - unlock_kernel(); if (enable_quota) dquot_resume(sb, -1); @@ -2669,7 +2657,6 @@ restore_opts: } #endif unlock_super(sb); - unlock_kernel(); return err; } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index b248072aaa35..9134abf65e1d 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -26,7 +26,6 @@ #include <linux/init.h> #include <linux/blkdev.h> #include <linux/parser.h> -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <linux/exportfs.h> #include <linux/vfs.h> @@ -708,7 +707,6 @@ static void ext4_put_super(struct super_block *sb) destroy_workqueue(sbi->dio_unwritten_wq); lock_super(sb); - lock_kernel(); if (sb->s_dirt) ext4_commit_super(sb, 1); @@ -776,7 +774,6 @@ static void ext4_put_super(struct super_block *sb) * Now that we are completely done shutting down the * superblock, we need to actually destroy the kobject. */ - unlock_kernel(); unlock_super(sb); kobject_put(&sbi->s_kobj); wait_for_completion(&sbi->s_kobj_unregister); @@ -2589,8 +2586,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) sbi->s_sectors_written_start = part_stat_read(sb->s_bdev->bd_part, sectors[1]); - unlock_kernel(); - /* Cleanup superblock name */ for (cp = sb->s_id; (cp = strchr(cp, '/'));) *cp = '!'; @@ -3165,7 +3160,6 @@ no_journal: if (es->s_error_count) mod_timer(&sbi->s_err_report, jiffies + 300*HZ); /* 5 minutes */ - lock_kernel(); kfree(orig_data); return 0; @@ -3212,7 +3206,6 @@ out_fail: sb->s_fs_info = NULL; kfree(sbi->s_blockgroup_lock); kfree(sbi); - lock_kernel(); out_free_orig: kfree(orig_data); return ret; @@ -3721,8 +3714,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) #endif char *orig_data = kstrdup(data, GFP_KERNEL); - lock_kernel(); - /* Store the original options */ lock_super(sb); old_sb_flags = sb->s_flags; @@ -3857,7 +3848,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) kfree(old_opts.s_qf_names[i]); #endif unlock_super(sb); - unlock_kernel(); if (enable_quota) dquot_resume(sb, -1); @@ -3883,7 +3873,6 @@ restore_opts: } #endif unlock_super(sb); - unlock_kernel(); kfree(orig_data); return err; } diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 830058057d33..ad6998a92c30 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -14,7 +14,6 @@ #include <linux/init.h> #include <linux/time.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/pagemap.h> #include <linux/mpage.h> @@ -489,8 +488,6 @@ static void fat_put_super(struct super_block *sb) { struct msdos_sb_info *sbi = MSDOS_SB(sb); - lock_kernel(); - if (sb->s_dirt) fat_write_super(sb); @@ -504,8 +501,6 @@ static void fat_put_super(struct super_block *sb) sb->s_fs_info = NULL; kfree(sbi); - - unlock_kernel(); } static struct kmem_cache *fat_inode_cachep; diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c index bbc94ae4fd77..bbca5c186ae7 100644 --- a/fs/fat/namei_msdos.c +++ b/fs/fat/namei_msdos.c @@ -662,12 +662,16 @@ static int msdos_fill_super(struct super_block *sb, void *data, int silent) { int res; + lock_super(sb); res = fat_fill_super(sb, data, silent, &msdos_dir_inode_operations, 0); - if (res) + if (res) { + unlock_super(sb); return res; + } sb->s_flags |= MS_NOATIME; sb->s_root->d_op = &msdos_dentry_operations; + unlock_super(sb); return 0; } diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c index 6fcc7e71fbaa..6f0f6c9a0152 100644 --- a/fs/fat/namei_vfat.c +++ b/fs/fat/namei_vfat.c @@ -1055,15 +1055,19 @@ static int vfat_fill_super(struct super_block *sb, void *data, int silent) { int res; + lock_super(sb); res = fat_fill_super(sb, data, silent, &vfat_dir_inode_operations, 1); - if (res) + if (res) { + unlock_super(sb); return res; + } if (MSDOS_SB(sb)->options.name_check != 's') sb->s_root->d_op = &vfat_ci_dentry_ops; else sb->s_root->d_op = &vfat_dentry_ops; + unlock_super(sb); return 0; } diff --git a/fs/freevxfs/vxfs_super.c b/fs/freevxfs/vxfs_super.c index dc0c041e85cb..eb2b9e09c996 100644 --- a/fs/freevxfs/vxfs_super.c +++ b/fs/freevxfs/vxfs_super.c @@ -148,7 +148,7 @@ static int vxfs_remount(struct super_block *sb, int *flags, char *data) * The superblock on success, else %NULL. * * Locking: - * We are under the bkl and @sbp->s_lock. + * We are under @sbp->s_lock. */ static int vxfs_fill_super(struct super_block *sbp, void *dp, int silent) { @@ -159,11 +159,14 @@ static int vxfs_fill_super(struct super_block *sbp, void *dp, int silent) struct inode *root; int ret = -EINVAL; + lock_kernel(); + sbp->s_flags |= MS_RDONLY; infp = kzalloc(sizeof(*infp), GFP_KERNEL); if (!infp) { printk(KERN_WARNING "vxfs: unable to allocate incore superblock\n"); + unlock_kernel(); return -ENOMEM; } @@ -236,6 +239,7 @@ static int vxfs_fill_super(struct super_block *sbp, void *dp, int silent) goto out_free_ilist; } + unlock_kernel(); return 0; out_free_ilist: @@ -245,6 +249,7 @@ out_free_ilist: out: brelse(bp); kfree(infp); + unlock_kernel(); return ret; } diff --git a/fs/hfs/super.c b/fs/hfs/super.c index 34235d4bf08b..33254160f650 100644 --- a/fs/hfs/super.c +++ b/fs/hfs/super.c @@ -20,7 +20,6 @@ #include <linux/parser.h> #include <linux/seq_file.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/vfs.h> #include "hfs_fs.h" @@ -79,15 +78,11 @@ static int hfs_sync_fs(struct super_block *sb, int wait) */ static void hfs_put_super(struct super_block *sb) { - lock_kernel(); - if (sb->s_dirt) hfs_write_super(sb); hfs_mdb_close(sb); /* release the MDB's resources */ hfs_mdb_put(sb); - - unlock_kernel(); } /* @@ -385,6 +380,7 @@ static int hfs_fill_super(struct super_block *sb, void *data, int silent) sbi = kzalloc(sizeof(struct hfs_sb_info), GFP_KERNEL); if (!sbi) return -ENOMEM; + sb->s_fs_info = sbi; INIT_HLIST_HEAD(&sbi->rsrc_inodes); diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index 3b55c050c742..0a7b5bdede6c 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -12,7 +12,6 @@ #include <linux/pagemap.h> #include <linux/fs.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/vfs.h> #include <linux/nls.h> @@ -213,8 +212,6 @@ static void hfsplus_put_super(struct super_block *sb) if (!sb->s_fs_info) return; - lock_kernel(); - if (sb->s_dirt) hfsplus_write_super(sb); if (!(sb->s_flags & MS_RDONLY) && HFSPLUS_SB(sb).s_vhdr) { @@ -235,8 +232,6 @@ static void hfsplus_put_super(struct super_block *sb) unload_nls(HFSPLUS_SB(sb).nls); kfree(sb->s_fs_info); sb->s_fs_info = NULL; - - unlock_kernel(); } static int hfsplus_statfs(struct dentry *dentry, struct kstatfs *buf) diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c index 2607010be2fe..c969a1aa163a 100644 --- a/fs/hpfs/super.c +++ b/fs/hpfs/super.c @@ -477,11 +477,15 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent) int o; + lock_kernel(); + save_mount_options(s, options); sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); - if (!sbi) + if (!sbi) { + unlock_kernel(); return -ENOMEM; + } s->s_fs_info = sbi; sbi->sb_bmp_dir = NULL; @@ -666,6 +670,7 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent) root->i_blocks = 5; hpfs_brelse4(&qbh); } + unlock_kernel(); return 0; bail4: brelse(bh2); @@ -677,6 +682,7 @@ bail0: kfree(sbi->sb_cp_table); s->s_fs_info = NULL; kfree(sbi); + unlock_kernel(); return -EINVAL; } diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c index e0aca9a0ac68..0542b6eedf80 100644 --- a/fs/isofs/dir.c +++ b/fs/isofs/dir.c @@ -10,7 +10,6 @@ * * isofs directory handling functions */ -#include <linux/smp_lock.h> #include <linux/gfp.h> #include "isofs.h" @@ -255,18 +254,19 @@ static int isofs_readdir(struct file *filp, char *tmpname; struct iso_directory_record *tmpde; struct inode *inode = filp->f_path.dentry->d_inode; + struct isofs_sb_info *sbi = ISOFS_SB(inode->i_sb); tmpname = (char *)__get_free_page(GFP_KERNEL); if (tmpname == NULL) return -ENOMEM; - lock_kernel(); + mutex_lock(&sbi->s_mutex); tmpde = (struct iso_directory_record *) (tmpname+1024); result = do_isofs_readdir(inode, filp, dirent, filldir, tmpname, tmpde); free_page((unsigned long) tmpname); - unlock_kernel(); + mutex_unlock(&sbi->s_mutex); return result; } diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 5a44811b5027..09ff41a752a0 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -17,7 +17,6 @@ #include <linux/slab.h> #include <linux/nls.h> #include <linux/ctype.h> -#include <linux/smp_lock.h> #include <linux/statfs.h> #include <linux/cdrom.h> #include <linux/parser.h> @@ -44,11 +43,7 @@ static void isofs_put_super(struct super_block *sb) struct isofs_sb_info *sbi = ISOFS_SB(sb); #ifdef CONFIG_JOLIET - lock_kernel(); - unload_nls(sbi->s_nls_iocharset); - - unlock_kernel(); #endif kfree(sbi); @@ -823,6 +818,7 @@ root_found: sbi->s_utf8 = opt.utf8; sbi->s_nocompress = opt.nocompress; sbi->s_overriderockperm = opt.overriderockperm; + mutex_init(&sbi->s_mutex); /* * It would be incredibly stupid to allow people to mark every file * on the disk as suid, so we merely allow them to set the default @@ -977,8 +973,6 @@ int isofs_get_blocks(struct inode *inode, sector_t iblock_s, int section, rv, error; struct iso_inode_info *ei = ISOFS_I(inode); - lock_kernel(); - error = -EIO; rv = 0; if (iblock < 0 || iblock != iblock_s) { @@ -1054,7 +1048,6 @@ int isofs_get_blocks(struct inode *inode, sector_t iblock_s, error = 0; abort: - unlock_kernel(); return rv != 0 ? rv : error; } diff --git a/fs/isofs/isofs.h b/fs/isofs/isofs.h index 7d33de84f52a..2882dc089f87 100644 --- a/fs/isofs/isofs.h +++ b/fs/isofs/isofs.h @@ -55,6 +55,7 @@ struct isofs_sb_info { gid_t s_gid; uid_t s_uid; struct nls_table *s_nls_iocharset; /* Native language support table */ + struct mutex s_mutex; /* replaces BKL, please remove if possible */ }; #define ISOFS_INVALID_MODE ((mode_t) -1) diff --git a/fs/isofs/namei.c b/fs/isofs/namei.c index ab438beb867c..0d23abfd4280 100644 --- a/fs/isofs/namei.c +++ b/fs/isofs/namei.c @@ -6,7 +6,6 @@ * (C) 1991 Linus Torvalds - minix filesystem */ -#include <linux/smp_lock.h> #include <linux/gfp.h> #include "isofs.h" @@ -168,6 +167,7 @@ struct dentry *isofs_lookup(struct inode *dir, struct dentry *dentry, struct nam int found; unsigned long uninitialized_var(block); unsigned long uninitialized_var(offset); + struct isofs_sb_info *sbi = ISOFS_SB(dir->i_sb); struct inode *inode; struct page *page; @@ -177,7 +177,7 @@ struct dentry *isofs_lookup(struct inode *dir, struct dentry *dentry, struct nam if (!page) return ERR_PTR(-ENOMEM); - lock_kernel(); + mutex_lock(&sbi->s_mutex); found = isofs_find_entry(dir, dentry, &block, &offset, page_address(page), @@ -188,10 +188,10 @@ struct dentry *isofs_lookup(struct inode *dir, struct dentry *dentry, struct nam if (found) { inode = isofs_iget(dir->i_sb, block, offset); if (IS_ERR(inode)) { - unlock_kernel(); + mutex_unlock(&sbi->s_mutex); return ERR_CAST(inode); } } - unlock_kernel(); + mutex_unlock(&sbi->s_mutex); return d_splice_alias(inode, dentry); } diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c index 96a685c550fd..f9cd04db6eab 100644 --- a/fs/isofs/rock.c +++ b/fs/isofs/rock.c @@ -8,7 +8,6 @@ #include <linux/slab.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include "isofs.h" #include "rock.h" @@ -661,6 +660,7 @@ static int rock_ridge_symlink_readpage(struct file *file, struct page *page) { struct inode *inode = page->mapping->host; struct iso_inode_info *ei = ISOFS_I(inode); + struct isofs_sb_info *sbi = ISOFS_SB(inode->i_sb); char *link = kmap(page); unsigned long bufsize = ISOFS_BUFFER_SIZE(inode); struct buffer_head *bh; @@ -673,12 +673,12 @@ static int rock_ridge_symlink_readpage(struct file *file, struct page *page) struct rock_state rs; int ret; - if (!ISOFS_SB(inode->i_sb)->s_rock) + if (!sbi->s_rock) goto error; init_rock_state(&rs, inode); block = ei->i_iget5_block; - lock_kernel(); + mutex_lock(&sbi->s_mutex); bh = sb_bread(inode->i_sb, block); if (!bh) goto out_noread; @@ -748,7 +748,7 @@ repeat: goto fail; brelse(bh); *rpnt = '\0'; - unlock_kernel(); + mutex_unlock(&sbi->s_mutex); SetPageUptodate(page); kunmap(page); unlock_page(page); @@ -765,7 +765,7 @@ out_bad_span: printk("symlink spans iso9660 blocks\n"); fail: brelse(bh); - unlock_kernel(); + mutex_unlock(&sbi->s_mutex); error: SetPageError(page); kunmap(page); diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index 6b2964a19850..d9beb06e6fca 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -21,7 +21,6 @@ #include <linux/vmalloc.h> #include <linux/vfs.h> #include <linux/crc32.h> -#include <linux/smp_lock.h> #include "nodelist.h" static int jffs2_flash_setup(struct jffs2_sb_info *c); @@ -391,7 +390,6 @@ int jffs2_remount_fs (struct super_block *sb, int *flags, char *data) This also catches the case where it was stopped and this is just a remount to restart it. Flush the writebuffer, if neccecary, else we loose it */ - lock_kernel(); if (!(sb->s_flags & MS_RDONLY)) { jffs2_stop_garbage_collect_thread(c); mutex_lock(&c->alloc_sem); @@ -403,8 +401,6 @@ int jffs2_remount_fs (struct super_block *sb, int *flags, char *data) jffs2_start_garbage_collect_thread(c); *flags |= MS_NOATIME; - - unlock_kernel(); return 0; } diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c index 662bba099501..d1ae5dfc22b9 100644 --- a/fs/jffs2/super.c +++ b/fs/jffs2/super.c @@ -12,7 +12,6 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/list.h> #include <linux/fs.h> @@ -146,6 +145,7 @@ static const struct super_operations jffs2_super_operations = static int jffs2_fill_super(struct super_block *sb, void *data, int silent) { struct jffs2_sb_info *c; + int ret; D1(printk(KERN_DEBUG "jffs2_get_sb_mtd():" " New superblock for device %d (\"%s\")\n", @@ -175,7 +175,8 @@ static int jffs2_fill_super(struct super_block *sb, void *data, int silent) #ifdef CONFIG_JFFS2_FS_POSIX_ACL sb->s_flags |= MS_POSIXACL; #endif - return jffs2_do_fill_super(sb, data, silent); + ret = jffs2_do_fill_super(sb, data, silent); + return ret; } static int jffs2_get_sb(struct file_system_type *fs_type, @@ -192,8 +193,6 @@ static void jffs2_put_super (struct super_block *sb) D2(printk(KERN_DEBUG "jffs2: jffs2_put_super()\n")); - lock_kernel(); - if (sb->s_dirt) jffs2_write_super(sb); @@ -215,8 +214,6 @@ static void jffs2_put_super (struct super_block *sb) if (c->mtd->sync) c->mtd->sync(c->mtd); - unlock_kernel(); - D1(printk(KERN_DEBUG "jffs2_put_super returning\n")); } diff --git a/fs/jfs/super.c b/fs/jfs/super.c index ec8c3e4baca3..68eee2bf629e 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -33,7 +33,6 @@ #include <linux/slab.h> #include <asm/uaccess.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include "jfs_incore.h" #include "jfs_filsys.h" @@ -176,8 +175,6 @@ static void jfs_put_super(struct super_block *sb) dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED); - lock_kernel(); - rc = jfs_umount(sb); if (rc) jfs_err("jfs_umount failed with return code %d", rc); @@ -188,8 +185,6 @@ static void jfs_put_super(struct super_block *sb) iput(sbi->direct_inode); kfree(sbi); - - unlock_kernel(); } enum { @@ -369,19 +364,16 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data) if (!parse_options(data, sb, &newLVSize, &flag)) { return -EINVAL; } - lock_kernel(); + if (newLVSize) { if (sb->s_flags & MS_RDONLY) { printk(KERN_ERR "JFS: resize requires volume to be mounted read-write\n"); - unlock_kernel(); return -EROFS; } rc = jfs_extendfs(sb, newLVSize, 0); - if (rc) { - unlock_kernel(); + if (rc) return rc; - } } if ((sb->s_flags & MS_RDONLY) && !(*flags & MS_RDONLY)) { @@ -397,36 +389,30 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data) /* mark the fs r/w for quota activity */ sb->s_flags &= ~MS_RDONLY; - unlock_kernel(); dquot_resume(sb, -1); return ret; } if ((!(sb->s_flags & MS_RDONLY)) && (*flags & MS_RDONLY)) { rc = dquot_suspend(sb, -1); if (rc < 0) { - unlock_kernel(); return rc; } rc = jfs_umount_rw(sb); JFS_SBI(sb)->flag = flag; - unlock_kernel(); return rc; } if ((JFS_SBI(sb)->flag & JFS_NOINTEGRITY) != (flag & JFS_NOINTEGRITY)) if (!(sb->s_flags & MS_RDONLY)) { rc = jfs_umount_rw(sb); - if (rc) { - unlock_kernel(); + if (rc) return rc; - } + JFS_SBI(sb)->flag = flag; ret = jfs_mount_rw(sb, 1); - unlock_kernel(); return ret; } JFS_SBI(sb)->flag = flag; - unlock_kernel(); return 0; } @@ -446,6 +432,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent) sbi = kzalloc(sizeof (struct jfs_sb_info), GFP_KERNEL); if (!sbi) return -ENOMEM; + sb->s_fs_info = sbi; sbi->sb = sb; sbi->uid = sbi->gid = sbi->umask = -1; diff --git a/fs/namespace.c b/fs/namespace.c index a72eaabfe8f2..7ca5182c0bed 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1744,9 +1744,7 @@ static int do_new_mount(struct path *path, char *type, int flags, if (!capable(CAP_SYS_ADMIN)) return -EPERM; - lock_kernel(); mnt = do_kern_mount(type, flags, name, data); - unlock_kernel(); if (IS_ERR(mnt)) return PTR_ERR(mnt); diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c index b4de38cf49f5..cdf0fcead415 100644 --- a/fs/ncpfs/inode.c +++ b/fs/ncpfs/inode.c @@ -445,10 +445,14 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent) #endif struct ncp_entry_info finfo; + lock_kernel(); + data.wdog_pid = NULL; server = kzalloc(sizeof(struct ncp_server), GFP_KERNEL); - if (!server) + if (!server) { + unlock_kernel(); return -ENOMEM; + } sb->s_fs_info = server; error = -EFAULT; @@ -700,6 +704,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent) if (!sb->s_root) goto out_no_root; sb->s_root->d_op = &ncp_root_dentry_operations; + unlock_kernel(); return 0; out_no_root: @@ -736,6 +741,7 @@ out: put_pid(data.wdog_pid); sb->s_fs_info = NULL; kfree(server); + unlock_kernel(); return error; } diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 3600ec700d58..0be93388cdbb 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2277,6 +2277,7 @@ static int nfs_get_sb(struct file_system_type *fs_type, }; int error = -ENOMEM; + lock_kernel(); data = nfs_alloc_parsed_mount_data(3); mntfh = nfs_alloc_fhandle(); if (data == NULL || mntfh == NULL) @@ -2355,6 +2356,7 @@ out: out_free_fh: nfs_free_fhandle(mntfh); kfree(data); + unlock_kernel(); return error; out_err_nosb: @@ -2411,6 +2413,8 @@ static int nfs_xdev_get_sb(struct file_system_type *fs_type, int flags, }; int error; + lock_kernel(); + dprintk("--> nfs_xdev_get_sb()\n"); /* create a new volume representation */ @@ -2465,12 +2469,14 @@ static int nfs_xdev_get_sb(struct file_system_type *fs_type, int flags, security_sb_clone_mnt_opts(data->sb, s); dprintk("<-- nfs_xdev_get_sb() = 0\n"); + unlock_kernel(); return 0; out_err_nosb: nfs_free_server(server); out_err_noserver: dprintk("<-- nfs_xdev_get_sb() = %d [error]\n", error); + unlock_kernel(); return error; error_splat_super: @@ -2479,6 +2485,7 @@ error_splat_super: error_splat_bdi: deactivate_locked_super(s); dprintk("<-- nfs_xdev_get_sb() = %d [splat]\n", error); + unlock_kernel(); return error; } @@ -2663,6 +2670,7 @@ static int nfs4_remote_get_sb(struct file_system_type *fs_type, }; int error = -ENOMEM; + lock_kernel(); mntfh = nfs_alloc_fhandle(); if (data == NULL || mntfh == NULL) goto out_free_fh; @@ -2722,6 +2730,7 @@ out: security_free_mnt_opts(&data->lsm_opts); out_free_fh: nfs_free_fhandle(mntfh); + unlock_kernel(); return error; out_free: @@ -2930,6 +2939,7 @@ static int nfs4_get_sb(struct file_system_type *fs_type, struct nfs_parsed_mount_data *data; int error = -ENOMEM; + lock_kernel(); data = nfs_alloc_parsed_mount_data(4); if (data == NULL) goto out_free_data; @@ -2950,6 +2960,7 @@ out_free_data: kfree(data); dprintk("<-- nfs4_get_sb() = %d%s\n", error, error != 0 ? " [error]" : ""); + unlock_kernel(); return error; } @@ -2982,6 +2993,8 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags, }; int error; + lock_kernel(); + dprintk("--> nfs4_xdev_get_sb()\n"); /* create a new volume representation */ @@ -3035,12 +3048,14 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags, security_sb_clone_mnt_opts(data->sb, s); dprintk("<-- nfs4_xdev_get_sb() = 0\n"); + unlock_kernel(); return 0; out_err_nosb: nfs_free_server(server); out_err_noserver: dprintk("<-- nfs4_xdev_get_sb() = %d [error]\n", error); + unlock_kernel(); return error; error_splat_super: @@ -3049,6 +3064,7 @@ error_splat_super: error_splat_bdi: deactivate_locked_super(s); dprintk("<-- nfs4_xdev_get_sb() = %d [splat]\n", error); + unlock_kernel(); return error; } @@ -3067,6 +3083,8 @@ static int nfs4_remote_referral_get_sb(struct file_system_type *fs_type, }; int error = -ENOMEM; + lock_kernel(); + dprintk("--> nfs4_referral_get_sb()\n"); mntfh = nfs_alloc_fhandle(); @@ -3125,6 +3143,7 @@ static int nfs4_remote_referral_get_sb(struct file_system_type *fs_type, nfs_free_fhandle(mntfh); dprintk("<-- nfs4_referral_get_sb() = 0\n"); + unlock_kernel(); return 0; out_err_nosb: @@ -3133,6 +3152,7 @@ out_err_noserver: nfs_free_fhandle(mntfh); out_err_nofh: dprintk("<-- nfs4_referral_get_sb() = %d [error]\n", error); + unlock_kernel(); return error; error_splat_super: @@ -3142,6 +3162,7 @@ error_splat_bdi: deactivate_locked_super(s); nfs_free_fhandle(mntfh); dprintk("<-- nfs4_referral_get_sb() = %d [splat]\n", error); + unlock_kernel(); return error; } @@ -3157,6 +3178,8 @@ static int nfs4_referral_get_sb(struct file_system_type *fs_type, struct vfsmount *root_mnt; int error; + lock_kernel(); + dprintk("--> nfs4_referral_get_sb()\n"); export_path = data->mnt_path; @@ -3174,6 +3197,7 @@ static int nfs4_referral_get_sb(struct file_system_type *fs_type, out: dprintk("<-- nfs4_referral_get_sb() = %d%s\n", error, error != 0 ? " [error]" : ""); + unlock_kernel(); return error; } diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index db2b3e77a2ab..3e90f86d5bfe 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -22,7 +22,6 @@ #include <linux/fs.h> #include <linux/wait.h> -#include <linux/smp_lock.h> /* lock_kernel(), unlock_kernel() */ #include <linux/slab.h> #include <linux/capability.h> /* capable() */ #include <linux/uaccess.h> /* copy_from_user(), copy_to_user() */ diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index b1548d3c7714..690870d4ea26 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -45,7 +45,6 @@ #include <linux/parser.h> #include <linux/random.h> #include <linux/crc32.h> -#include <linux/smp_lock.h> #include <linux/vfs.h> #include <linux/writeback.h> #include <linux/kobject.h> @@ -337,8 +336,6 @@ static void nilfs_put_super(struct super_block *sb) struct nilfs_sb_info *sbi = NILFS_SB(sb); struct the_nilfs *nilfs = sbi->s_nilfs; - lock_kernel(); - nilfs_detach_segment_constructor(sbi); if (!(sb->s_flags & MS_RDONLY)) { @@ -355,8 +352,6 @@ static void nilfs_put_super(struct super_block *sb) sbi->s_super = NULL; sb->s_fs_info = NULL; kfree(sbi); - - unlock_kernel(); } static int nilfs_sync_fs(struct super_block *sb, int wait) @@ -1007,8 +1002,6 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data) struct nilfs_mount_options old_opts; int err; - lock_kernel(); - old_sb_flags = sb->s_flags; old_opts.mount_opt = sbi->s_mount_opt; @@ -1075,13 +1068,11 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data) up_write(&nilfs->ns_sem); } out: - unlock_kernel(); return 0; restore_opts: sb->s_flags = old_sb_flags; sbi->s_mount_opt = old_opts.mount_opt; - unlock_kernel(); return err; } diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c index 512806171bfa..19c5180f8a28 100644 --- a/fs/ntfs/super.c +++ b/fs/ntfs/super.c @@ -30,7 +30,6 @@ #include <linux/buffer_head.h> #include <linux/vfs.h> #include <linux/moduleparam.h> -#include <linux/smp_lock.h> #include <linux/bitmap.h> #include "sysctl.h" @@ -445,7 +444,6 @@ static int ntfs_remount(struct super_block *sb, int *flags, char *opt) ntfs_debug("Entering with remount options string: %s", opt); - lock_kernel(); #ifndef NTFS_RW /* For read-only compiled driver, enforce read-only flag. */ *flags |= MS_RDONLY; @@ -469,18 +467,15 @@ static int ntfs_remount(struct super_block *sb, int *flags, char *opt) if (NVolErrors(vol)) { ntfs_error(sb, "Volume has errors and is read-only%s", es); - unlock_kernel(); return -EROFS; } if (vol->vol_flags & VOLUME_IS_DIRTY) { ntfs_error(sb, "Volume is dirty and read-only%s", es); - unlock_kernel(); return -EROFS; } if (vol->vol_flags & VOLUME_MODIFIED_BY_CHKDSK) { ntfs_error(sb, "Volume has been modified by chkdsk " "and is read-only%s", es); - unlock_kernel(); return -EROFS; } if (vol->vol_flags & VOLUME_MUST_MOUNT_RO_MASK) { @@ -488,13 +483,11 @@ static int ntfs_remount(struct super_block *sb, int *flags, char *opt) "(0x%x) and is read-only%s", (unsigned)le16_to_cpu(vol->vol_flags), es); - unlock_kernel(); return -EROFS; } if (ntfs_set_volume_flags(vol, VOLUME_IS_DIRTY)) { ntfs_error(sb, "Failed to set dirty bit in volume " "information flags%s", es); - unlock_kernel(); return -EROFS; } #if 0 @@ -514,21 +507,18 @@ static int ntfs_remount(struct super_block *sb, int *flags, char *opt) ntfs_error(sb, "Failed to empty journal $LogFile%s", es); NVolSetErrors(vol); - unlock_kernel(); return -EROFS; } if (!ntfs_mark_quotas_out_of_date(vol)) { ntfs_error(sb, "Failed to mark quotas out of date%s", es); NVolSetErrors(vol); - unlock_kernel(); return -EROFS; } if (!ntfs_stamp_usnjrnl(vol)) { ntfs_error(sb, "Failed to stamp transation log " "($UsnJrnl)%s", es); NVolSetErrors(vol); - unlock_kernel(); return -EROFS; } } else if (!(sb->s_flags & MS_RDONLY) && (*flags & MS_RDONLY)) { @@ -544,11 +534,9 @@ static int ntfs_remount(struct super_block *sb, int *flags, char *opt) // TODO: Deal with *flags. - if (!parse_options(vol, opt)) { - unlock_kernel(); + if (!parse_options(vol, opt)) return -EINVAL; - } - unlock_kernel(); + ntfs_debug("Done."); return 0; } @@ -2261,8 +2249,6 @@ static void ntfs_put_super(struct super_block *sb) ntfs_debug("Entering."); - lock_kernel(); - #ifdef NTFS_RW /* * Commit all inodes while they are still open in case some of them @@ -2433,8 +2419,6 @@ static void ntfs_put_super(struct super_block *sb) sb->s_fs_info = NULL; kfree(vol); - - unlock_kernel(); } /** @@ -2772,8 +2756,6 @@ static int ntfs_fill_super(struct super_block *sb, void *opt, const int silent) init_rwsem(&vol->mftbmp_lock); init_rwsem(&vol->lcnbmp_lock); - unlock_kernel(); - /* By default, enable sparse support. */ NVolSetSparseEnabled(vol); @@ -2940,7 +2922,6 @@ static int ntfs_fill_super(struct super_block *sb, void *opt, const int silent) } mutex_unlock(&ntfs_lock); sb->s_export_op = &ntfs_export_ops; - lock_kernel(); lockdep_on(); return 0; } @@ -3057,7 +3038,6 @@ iput_tmp_ino_err_out_now: } /* Errors at this stage are irrelevant. */ err_out_now: - lock_kernel(); sb->s_fs_info = NULL; kfree(vol); ntfs_debug("Failed, returning -EINVAL."); diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c index c3a74576eb84..3dabf53fceaf 100644 --- a/fs/ocfs2/stack_user.c +++ b/fs/ocfs2/stack_user.c @@ -22,7 +22,6 @@ #include <linux/miscdevice.h> #include <linux/mutex.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/reboot.h> #include <asm/uaccess.h> @@ -612,12 +611,10 @@ static int ocfs2_control_open(struct inode *inode, struct file *file) return -ENOMEM; p->op_this_node = -1; - lock_kernel(); mutex_lock(&ocfs2_control_lock); file->private_data = p; list_add(&p->op_list, &ocfs2_control_private_list); mutex_unlock(&ocfs2_control_lock); - unlock_kernel(); return 0; } diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 350e8b5a9396..123df60f97c4 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -623,8 +623,6 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data) struct mount_options parsed_options; struct ocfs2_super *osb = OCFS2_SB(sb); - lock_kernel(); - if (!ocfs2_parse_options(sb, data, &parsed_options, 1) || !ocfs2_check_set_options(sb, &parsed_options)) { ret = -EINVAL; @@ -731,7 +729,6 @@ unlock_osb: MS_POSIXACL : 0); } out: - unlock_kernel(); return ret; } @@ -1654,13 +1651,9 @@ static void ocfs2_put_super(struct super_block *sb) { mlog_entry("(0x%p)\n", sb); - lock_kernel(); - ocfs2_sync_blockdev(sb); ocfs2_dismount_volume(sb, 0); - unlock_kernel(); - mlog_exit_void(); } diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c index 16829722be93..86a7be1399a8 100644 --- a/fs/qnx4/inode.c +++ b/fs/qnx4/inode.c @@ -234,9 +234,13 @@ static int qnx4_fill_super(struct super_block *s, void *data, int silent) struct qnx4_sb_info *qs; int ret = -EINVAL; + lock_kernel(); + qs = kzalloc(sizeof(struct qnx4_sb_info), GFP_KERNEL); - if (!qs) + if (!qs) { + unlock_kernel(); return -ENOMEM; + } s->s_fs_info = qs; sb_set_blocksize(s, QNX4_BLOCK_SIZE); @@ -284,6 +288,7 @@ static int qnx4_fill_super(struct super_block *s, void *data, int silent) brelse(bh); + unlock_kernel(); return 0; outi: @@ -293,6 +298,7 @@ static int qnx4_fill_super(struct super_block *s, void *data, int silent) outnobh: kfree(qs); s->s_fs_info = NULL; + unlock_kernel(); return ret; } diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index e15ff612002d..b8df8149998b 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -28,7 +28,6 @@ #include <linux/mount.h> #include <linux/namei.h> #include <linux/crc32.h> -#include <linux/smp_lock.h> struct file_system_type reiserfs_fs_type; @@ -1885,7 +1884,6 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) spin_lock_init(&sbi->bitmap_lock); reiserfs_write_unlock(s); - return (0); error: diff --git a/fs/smbfs/inode.c b/fs/smbfs/inode.c index 450c91941988..8fc5e50e142f 100644 --- a/fs/smbfs/inode.c +++ b/fs/smbfs/inode.c @@ -501,6 +501,8 @@ static int smb_fill_super(struct super_block *sb, void *raw_data, int silent) void *mem; static int warn_count; + lock_kernel(); + if (warn_count < 5) { warn_count++; printk(KERN_EMERG "smbfs is deprecated and will be removed" @@ -621,6 +623,7 @@ static int smb_fill_super(struct super_block *sb, void *raw_data, int silent) smb_new_dentry(sb->s_root); + unlock_kernel(); return 0; out_no_root: @@ -643,9 +646,11 @@ out_wrong_data: out_no_data: printk(KERN_ERR "smb_fill_super: missing data argument\n"); out_fail: + unlock_kernel(); return -EINVAL; out_no_server: printk(KERN_ERR "smb_fill_super: cannot allocate struct smb_sb_info\n"); + unlock_kernel(); return -ENOMEM; } diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c index 88b4f8606652..07a4f1156048 100644 --- a/fs/squashfs/super.c +++ b/fs/squashfs/super.c @@ -30,7 +30,6 @@ #include <linux/fs.h> #include <linux/vfs.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/mutex.h> #include <linux/pagemap.h> #include <linux/init.h> @@ -354,8 +353,6 @@ static int squashfs_remount(struct super_block *sb, int *flags, char *data) static void squashfs_put_super(struct super_block *sb) { - lock_kernel(); - if (sb->s_fs_info) { struct squashfs_sb_info *sbi = sb->s_fs_info; squashfs_cache_delete(sbi->block_cache); @@ -370,8 +367,6 @@ static void squashfs_put_super(struct super_block *sb) kfree(sb->s_fs_info); sb->s_fs_info = NULL; } - - unlock_kernel(); } diff --git a/fs/udf/super.c b/fs/udf/super.c index 65412d84a45d..76f3d6d97b40 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -1880,6 +1880,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) struct kernel_lb_addr rootdir, fileset; struct udf_sb_info *sbi; + lock_kernel(); + uopt.flags = (1 << UDF_FLAG_USE_AD_IN_ICB) | (1 << UDF_FLAG_STRICT); uopt.uid = -1; uopt.gid = -1; @@ -1888,8 +1890,10 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) uopt.dmode = UDF_INVALID_MODE; sbi = kzalloc(sizeof(struct udf_sb_info), GFP_KERNEL); - if (!sbi) + if (!sbi) { + unlock_kernel(); return -ENOMEM; + } sb->s_fs_info = sbi; @@ -2035,6 +2039,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) goto error_out; } sb->s_maxbytes = MAX_LFS_FILESIZE; + unlock_kernel(); return 0; error_out: @@ -2055,6 +2060,7 @@ error_out: kfree(sbi); sb->s_fs_info = NULL; + unlock_kernel(); return -EINVAL; } diff --git a/fs/ufs/super.c b/fs/ufs/super.c index d510c1b91817..6b9be90dae7d 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -696,6 +696,8 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent) unsigned maxsymlen; int ret = -EINVAL; + lock_kernel(); + uspi = NULL; ubh = NULL; flags = 0; @@ -1163,6 +1165,7 @@ magic_found: goto failed; UFSD("EXIT\n"); + unlock_kernel(); return 0; dalloc_failed: @@ -1174,10 +1177,12 @@ failed: kfree(sbi); sb->s_fs_info = NULL; UFSD("EXIT (FAILED)\n"); + unlock_kernel(); return ret; failed_nomem: UFSD("EXIT (NOMEM)\n"); + unlock_kernel(); return -ENOMEM; } diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 291ba3d04bea..7b69b8d0313d 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -52,7 +52,6 @@ #include <linux/cgroupstats.h> #include <linux/hash.h> #include <linux/namei.h> -#include <linux/smp_lock.h> #include <linux/pid_namespace.h> #include <linux/idr.h> #include <linux/vmalloc.h> /* TODO: replace with more sophisticated array */ @@ -1222,7 +1221,6 @@ static int cgroup_remount(struct super_block *sb, int *flags, char *data) struct cgroup *cgrp = &root->top_cgroup; struct cgroup_sb_opts opts; - lock_kernel(); mutex_lock(&cgrp->dentry->d_inode->i_mutex); mutex_lock(&cgroup_mutex); @@ -1255,7 +1253,6 @@ static int cgroup_remount(struct super_block *sb, int *flags, char *data) kfree(opts.name); mutex_unlock(&cgroup_mutex); mutex_unlock(&cgrp->dentry->d_inode->i_mutex); - unlock_kernel(); return ret; } @@ -1568,7 +1565,6 @@ static int cgroup_get_sb(struct file_system_type *fs_type, out_err: kfree(opts.release_agent); kfree(opts.name); - return ret; } |