Author: rmacklem
Date: Mon Apr 21 19:10:23 2014
New Revision: 264738
URL: http://svnweb.freebsd.org/changeset/base/264738
Log:
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
Modified:
head/sys/fs/nfsclient/nfs_clvnops.c
Modified: head/sys/fs/nfsclient/nfs_clvnops.c
==============================================================================
--- head/sys/fs/nfsclient/nfs_clvnops.c Mon Apr 21 17:40:23 2014
(r264737)
+++ head/sys/fs/nfsclient/nfs_clvnops.c Mon Apr 21 19:10:23 2014
(r264738)
@@ -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) {
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