1 files changed, 2 insertions, 0 deletions

diff --git a/fs/affs/super.c b/fs/affs/super.c
index d7386462a8e7..280d361af41f 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -54,6 +54,7 @@ affs_write_super(struct super_block *sb)
         int clean = 2;
         struct affs_sb_info *sbi = AFFS_SB(sb);
 
+        lock_super(sb);
         if (!(sb->s_flags & MS_RDONLY)) {
                 //      if (sbi->s_bitmap[i].bm_bh) {
                 //              if (buffer_dirty(sbi->s_bitmap[i].bm_bh)) {
@@ -66,6 +67,7 @@ affs_write_super(struct super_block *sb)
                 sb->s_dirt = !clean;    /* redo until bitmap synced */
         } else
                 sb->s_dirt = 0;
+        unlock_super(sb);
 
         pr_debug("AFFS: write_super() at %lu, clean=%d\n", get_seconds(), clean);
 }