1 files changed, 2 insertions, 0 deletions

diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 2b88c93af227..2292cbf7d364 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -441,10 +441,12 @@ static void fat_clear_inode(struct inode *inode)
 
 static void fat_write_super(struct super_block *sb)
 {
+        lock_super(sb);
         sb->s_dirt = 0;
 
         if (!(sb->s_flags & MS_RDONLY))
                 fat_clusters_flush(sb);
+        unlock_super(sb);
 }
 
 static void fat_put_super(struct super_block *sb)