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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-11 20:05:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-11 20:05:37 -0700
commit4b4f1d017815f96737ca4a62f90e5a1f0b9f02d6 (patch)
treec95ae92ec01cabf6c2a40d31a31da6a4d9256816 /fs/ext4/super.c
parent875287caa067492779670f5fb3b98ec8dcfe2cb0 (diff)
parentaa7dfb8954ccf49e026ba13d12991a4eb7defb96 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (87 commits) nilfs2: get rid of bd_mount_sem use from nilfs nilfs2: correct exclusion control in nilfs_remount function nilfs2: simplify remaining sget() use nilfs2: get rid of sget use for checking if current mount is present nilfs2: get rid of sget use for acquiring nilfs object nilfs2: remove meaningless EBUSY case from nilfs_get_sb function remove the call to ->write_super in __sync_filesystem nilfs2: call nilfs2_write_super from nilfs2_sync_fs jffs2: call jffs2_write_super from jffs2_sync_fs ufs: add ->sync_fs sysv: add ->sync_fs hfsplus: add ->sync_fs hfs: add ->sync_fs fat: add ->sync_fs ext2: add ->sync_fs exofs: add ->sync_fs bfs: add ->sync_fs affs: add ->sync_fs sanitize ->fsync() for affs repair bfs_write_inode(), switch bfs to simple_fsync() ...
Diffstat (limited to 'fs/ext4/super.c')
-rw-r--r--fs/ext4/super.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index f016707597a..012c4251397 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -576,6 +576,11 @@ static void ext4_put_super(struct super_block *sb)
struct ext4_super_block *es = sbi->s_es;
int i, err;
+ lock_super(sb);
+ lock_kernel();
+ if (sb->s_dirt)
+ ext4_commit_super(sb, 1);
+
ext4_release_system_zone(sb);
ext4_mb_release(sb);
ext4_ext_release(sb);
@@ -642,8 +647,6 @@ static void ext4_put_super(struct super_block *sb)
unlock_super(sb);
kobject_put(&sbi->s_kobj);
wait_for_completion(&sbi->s_kobj_unregister);
- lock_super(sb);
- lock_kernel();
kfree(sbi->s_blockgroup_lock);
kfree(sbi);
}
@@ -3333,7 +3336,9 @@ int ext4_force_commit(struct super_block *sb)
static void ext4_write_super(struct super_block *sb)
{
+ lock_super(sb);
ext4_commit_super(sb, 1);
+ unlock_super(sb);
}
static int ext4_sync_fs(struct super_block *sb, int wait)
@@ -3417,7 +3422,10 @@ static int ext4_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;
old_opts.s_mount_opt = sbi->s_mount_opt;
old_opts.s_resuid = sbi->s_resuid;
@@ -3551,6 +3559,8 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
old_opts.s_qf_names[i] != sbi->s_qf_names[i])
kfree(old_opts.s_qf_names[i]);
#endif
+ unlock_super(sb);
+ unlock_kernel();
return 0;
restore_opts:
@@ -3570,6 +3580,8 @@ restore_opts:
sbi->s_qf_names[i] = old_opts.s_qf_names[i];
}
#endif
+ unlock_super(sb);
+ unlock_kernel();
return err;
}