From dfecf51dd0e572a57ef95981b3a32ff778415096 Mon Sep 17 00:00:00 2001
From: Mateusz Guzik <mjg@FreeBSD.org>
Date: Mon, 30 Jan 2017 03:20:05 +0000
Subject: [PATCH] cache: use vrefact for '.' lookups and refing the rdir in
 fullpath

---
 sys/kern/vfs_cache.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c
index 17bc47ea7d08..103e0a18f077 100644
--- a/sys/kern/vfs_cache.c
+++ b/sys/kern/vfs_cache.c
@@ -1124,7 +1124,7 @@ retry:
 				timespecclear(tsp);
 			if (ticksp != NULL)
 				*ticksp = ticks;
-			VREF(*vpp);
+			vrefact(*vpp);
 			/*
 			 * When we lookup "." we still can be asked to lock it
 			 * differently...
@@ -2115,7 +2115,7 @@ vn_fullpath(struct thread *td, struct vnode *vn, char **retbuf, char **freebuf)
 	fdp = td->td_proc->p_fd;
 	FILEDESC_SLOCK(fdp);
 	rdir = fdp->fd_rdir;
-	VREF(rdir);
+	vrefact(rdir);
 	FILEDESC_SUNLOCK(fdp);
 	error = vn_fullpath1(td, vn, rdir, buf, retbuf, MAXPATHLEN);
 	vrele(rdir);