diff --git a/[refs] b/[refs]
index 1596f1e970f8..a673da8fa077 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 89605011915aec5c6194e53a9f02631d68aea6bc
+refs/heads/master: 4b217ed9e30f94b6e8e5e262020ef0ceab6113af
diff --git a/trunk/fs/quota/quota.c b/trunk/fs/quota/quota.c
index 7898cd688a00..7a9bedeb1d57 100644
--- a/trunk/fs/quota/quota.c
+++ b/trunk/fs/quota/quota.c
@@ -282,10 +282,9 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,
 	case Q_XGETQUOTA:
 		return quota_getxquota(sb, type, id, addr);
 	case Q_XQUOTASYNC:
-		/* caller already holds s_umount */
 		if (sb->s_flags & MS_RDONLY)
 			return -EROFS;
-		writeback_inodes_sb(sb, WB_REASON_SYNC);
+		/* XFS quotas are fully coherent now, making this call a noop */
 		return 0;
 	default:
 		return -EINVAL;