fuse: Allow user namespace mounts

Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index b7bdfda..2fd338c 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -1201,7 +1201,7 @@
 static struct file_system_type fuse_fs_type = {
 	.owner		= THIS_MODULE,
 	.name		= "fuse",
-	.fs_flags	= FS_HAS_SUBTYPE,
+	.fs_flags	= FS_HAS_SUBTYPE | FS_USERNS_MOUNT,
 	.mount		= fuse_mount,
 	.kill_sb	= fuse_kill_sb_anon,
 };
@@ -1233,7 +1233,7 @@
 	.name		= "fuseblk",
 	.mount		= fuse_mount_blk,
 	.kill_sb	= fuse_kill_sb_blk,
-	.fs_flags	= FS_REQUIRES_DEV | FS_HAS_SUBTYPE,
+	.fs_flags	= FS_REQUIRES_DEV | FS_HAS_SUBTYPE | FS_USERNS_MOUNT,
 };
 MODULE_ALIAS_FS("fuseblk");