diff --git a/[refs] b/[refs]
index 540eb5b223ec..3d6204e6548d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a950a65264ab9e9b96e7093e3358ffa84799f99c
+refs/heads/master: db5841d4a505d1ecb087dc37462926a80511ae8b
diff --git a/trunk/fs/9p/vfs_super.c b/trunk/fs/9p/vfs_super.c
index 4f14be585d6c..76f867cf23f8 100644
--- a/trunk/fs/9p/vfs_super.c
+++ b/trunk/fs/9p/vfs_super.c
@@ -87,8 +87,9 @@ v9fs_fill_super(struct super_block *sb, struct v9fs_session_info *v9ses,
 		sb->s_op = &v9fs_super_ops;
 	sb->s_bdi = &v9ses->bdi;
 
-	sb->s_flags = flags | MS_ACTIVE | MS_SYNCHRONOUS | MS_DIRSYNC |
-	    MS_NOATIME;
+	sb->s_flags = flags | MS_ACTIVE | MS_DIRSYNC | MS_NOATIME;
+	if (!v9ses->cache)
+		sb->s_flags |= MS_SYNCHRONOUS;
 
 #ifdef CONFIG_9P_FS_POSIX_ACL
 	if ((v9ses->flags & V9FS_ACL_MASK) == V9FS_POSIX_ACL)