1 files changed, 3 insertions, 2 deletions

diff --git a/fs/affs/super.c b/fs/affs/super.c
index 4ceec563643..da7498da80a 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -31,13 +31,14 @@ affs_commit_super(struct super_block *sb, int wait)
         struct buffer_head *bh = sbi->s_root_bh;
         struct affs_root_tail *tail = AFFS_ROOT_TAIL(sb, bh);
 
-        lock_super(sb);
+        lock_buffer(bh);
         secs_to_datestamp(get_seconds(), &tail->disk_change);
         affs_fix_checksum(sb, bh);
+        unlock_buffer(bh);
+
         mark_buffer_dirty(bh);
         if (wait)
                 sync_dirty_buffer(bh);
-        unlock_super(sb);
 }
 
 static void