From 2d231cab685a8afc58e0568e6b77d5769e6205a6 Mon Sep 17 00:00:00 2001
From: rwatson <rwatson@FreeBSD.org>
Date: Mon, 31 May 2004 19:08:22 +0000
Subject: [PATCH] Release NFS subsystem lock and acquire Giant when calling
 into vn_start_write().

---
 sys/nfsserver/nfs_serv.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sys/nfsserver/nfs_serv.c b/sys/nfsserver/nfs_serv.c
index bc6e4ff1d887..e57840159e8e 100644
--- a/sys/nfsserver/nfs_serv.c
+++ b/sys/nfsserver/nfs_serv.c
@@ -2349,7 +2349,11 @@ nfsrv_rename(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 		error = ESTALE;
 		goto out1;
 	}
+	NFSD_UNLOCK();
+	mtx_lock(&Giant);
 	(void) vn_start_write(NULL, &mp, V_WAIT);
+	mtx_unlock(&Giant);
+	NFSD_LOCK();
 	nfsm_srvnamesiz(len);
 	/*
 	 * Remember our original uid so that we can reset cr_uid before