diff options
Diffstat (limited to 'fs/nilfs2/super.c')
| -rw-r--r-- | fs/nilfs2/super.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 7262e8427c2..11151eaa2c4 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -906,6 +906,8 @@ 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; old_opts.snapshot_cno = sbi->s_snapshot_cno; @@ -985,6 +987,7 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data) up(&sb->s_bdev->bd_mount_sem); } out: + unlock_kernel(); return 0; rw_remount_failed: @@ -993,6 +996,7 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data) sb->s_flags = old_sb_flags; sbi->s_mount_opt = old_opts.mount_opt; sbi->s_snapshot_cno = old_opts.snapshot_cno; + unlock_kernel(); return err; } |