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From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Tue, 6 May 2014 21:59:49 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r265470 - stable/10/sys/fs/nfsclient
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Author: rmacklem
Date: Tue May  6 21:59:48 2014
New Revision: 265470
URL: http://svnweb.freebsd.org/changeset/base/265470

Log:
  MFC: r264738
  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.

Modified:
  stable/10/sys/fs/nfsclient/nfs_clvnops.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/fs/nfsclient/nfs_clvnops.c
==============================================================================
--- stable/10/sys/fs/nfsclient/nfs_clvnops.c	Tue May  6 21:54:52 2014	(r265469)
+++ stable/10/sys/fs/nfsclient/nfs_clvnops.c	Tue May  6 21:59:48 2014	(r265470)
@@ -768,7 +768,9 @@ 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) {