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From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Mon, 2 Aug 2010 00:37:34 +0000 (UTC)
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Subject: svn commit: r210741 - stable/8/sys/fs/nfsclient
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Author: rmacklem
Date: Mon Aug  2 00:37:33 2010
New Revision: 210741
URL: http://svn.freebsd.org/changeset/base/210741

Log:
  MFC: r210227
  Add a call to nfscl_mustflush() in nfs_close() of the experimental
  NFSv4 client, so that attributes are not acquired from the server
  when a delegation for the file is held. This can reduce the number
  of Getattr Ops significantly.

Modified:
  stable/8/sys/fs/nfsclient/nfs_clvnops.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)

Modified: stable/8/sys/fs/nfsclient/nfs_clvnops.c
==============================================================================
--- stable/8/sys/fs/nfsclient/nfs_clvnops.c	Sun Aug  1 23:58:26 2010	(r210740)
+++ stable/8/sys/fs/nfsclient/nfs_clvnops.c	Mon Aug  2 00:37:33 2010	(r210741)
@@ -726,7 +726,7 @@ nfs_close(struct vop_close_args *ap)
 		/*
 		 * Get attributes so "change" is up to date.
 		 */
-		if (!error) {
+		if (error == 0 && nfscl_mustflush(vp)) {
 			ret = nfsrpc_getattr(vp, cred, ap->a_td, &nfsva,
 			    NULL);
 			if (!ret) {