diff options
Diffstat (limited to 'fs/ext4/super.c')
| -rw-r--r-- | fs/ext4/super.c | 16 |
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; } |