diff --git a/[refs] b/[refs]
index 6fc846c96e5f..fd4db62fa312 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1a29af8bd740b2720caeafbffece1c0be6a9d06d
+refs/heads/master: 3b2f9a019e655f3407e4e69cdbaf8b75699b79a4
diff --git a/trunk/fs/ubifs/file.c b/trunk/fs/ubifs/file.c
index 3594aae12a88..adce3b7b5a3e 100644
--- a/trunk/fs/ubifs/file.c
+++ b/trunk/fs/ubifs/file.c
@@ -1312,7 +1312,11 @@ int ubifs_fsync(struct file *file, int datasync)
 
 	dbg_gen("syncing inode %lu", inode->i_ino);
 
-	if (inode->i_sb->s_flags & MS_RDONLY)
+	if (c->ro_mount)
+		/*
+		 * For some really strange reasons VFS does not filter out
+		 * 'fsync()' for R/O mounted file-systems as per 2.6.39.
+		 */
 		return 0;
 
 	/*