From 36db983e6fb575a6450f514a4ff6fe589d104483 Mon Sep 17 00:00:00 2001
From: rmacklem <rmacklem@FreeBSD.org>
Date: Mon, 21 Apr 2014 19:10:23 +0000
Subject: [PATCH] For an NFSv4 mount with the "nocto" option, don't get the up
 to date file attributes upon close. This reduces the Getattr RPC count by
 about 65% for software builds.

MFC after:	2 weeks
---
 sys/fs/nfsclient/nfs_clvnops.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sys/fs/nfsclient/nfs_clvnops.c b/sys/fs/nfsclient/nfs_clvnops.c
index 73e5ed9cc422..43774dd6f62e 100644
--- a/sys/fs/nfsclient/nfs_clvnops.c
+++ b/sys/fs/nfsclient/nfs_clvnops.c
@@ -767,7 +767,9 @@ nfs_close(struct vop_close_args *ap)
 		/*
 		 * Get attributes so "change" is up to date.
 		 */
-		if (error == 0 && nfscl_mustflush(vp) != 0) {
+		if (error == 0 && nfscl_mustflush(vp) != 0 &&
+		    vp->v_type == VREG &&
+		    (VFSTONFS(vp->v_mount)->nm_flag & NFSMNT_NOCTO) == 0) {
 			ret = nfsrpc_getattr(vp, cred, ap->a_td, &nfsva,
 			    NULL);
 			if (!ret) {