1 files changed, 1 insertions, 1 deletions

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 9f43879d6d68..f2702cda9779 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1157,7 +1157,7 @@ static ssize_t ext2_quota_write(struct super_block *sb, int type,
         struct buffer_head tmp_bh;
         struct buffer_head *bh;
 
-        mutex_lock(&inode->i_mutex);
+        mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA);
         while (towrite > 0) {
                 tocopy = sb->s_blocksize - offset < towrite ?
                                 sb->s_blocksize - offset : towrite;