From 1b30333825aae4f995c8ea288798cd9fe0fa318f Mon Sep 17 00:00:00 2001
From: Franco Fichtner <franco@opnsense.org>
Date: Wed, 11 Mar 2015 09:46:27 +0100
Subject: [PATCH] tmpfs: allow recurse as that does happen when using unionfs

---
 sys/fs/tmpfs/tmpfs_subr.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/fs/tmpfs/tmpfs_subr.c b/sys/fs/tmpfs/tmpfs_subr.c
index d247fbf713b..bbfabb074cc 100644
--- a/sys/fs/tmpfs/tmpfs_subr.c
+++ b/sys/fs/tmpfs/tmpfs_subr.c
@@ -543,7 +543,8 @@ loop:
 			goto loop;
 		}
 		TMPFS_NODE_UNLOCK(node);
-		error = vget(vp, lkflag | LK_INTERLOCK, curthread);
+		error = vget(vp, lkflag | LK_INTERLOCK | LK_CANRECURSE,
+		    curthread);
 		if (error == ENOENT) {
 			TMPFS_NODE_LOCK(node);
 			goto loop;