[src/trunk]: src/sys/nfs nfs_lookup: avoid CREATE optimization for DOTDOT.

[yamt <yamt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c3227c74bbb2
branches:  trunk
changeset: 566422:c3227c74bbb2
user:      yamt <yamt%NetBSD.org@localhost>
date:      Sat May 08 21:35:13 2004 +0000

description:
nfs_lookup: avoid CREATE optimization for DOTDOT.
creating a DOTDOT entry has no sense and will fail anyway.

diffstat:

 sys/nfs/nfs_vnops.c |  7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diffs (28 lines):

diff -r f735ed3665f7 -r c3227c74bbb2 sys/nfs/nfs_vnops.c
--- a/sys/nfs/nfs_vnops.c       Sat May 08 21:33:41 2004 +0000
+++ b/sys/nfs/nfs_vnops.c       Sat May 08 21:35:13 2004 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: nfs_vnops.c,v 1.195 2004/05/08 21:33:41 yamt Exp $     */
+/*     $NetBSD: nfs_vnops.c,v 1.196 2004/05/08 21:35:13 yamt Exp $     */
 
 /*
  * Copyright (c) 1989, 1993
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nfs_vnops.c,v 1.195 2004/05/08 21:33:41 yamt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nfs_vnops.c,v 1.196 2004/05/08 21:35:13 yamt Exp $");
 
 #include "opt_nfs.h"
 #include "opt_uvmhist.h"
@@ -925,7 +925,8 @@
         * XXX although we have no way to know if O_EXCL is requested or not.
         */
 
-       if (v3 && cnp->cn_nameiop == CREATE && (flags & ISLASTCN) &&
+       if (v3 && cnp->cn_nameiop == CREATE &&
+           (flags & (ISLASTCN|ISDOTDOT)) == ISLASTCN &&
            (dvp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
                KASSERT(lockparent);
                cnp->cn_flags |= SAVENAME;