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add assertions.

This commit is contained in:
yamt 2008-10-25 14:18:18 +00:00
parent e11d976a7b
commit 2fb0334ca1
1 changed files with 4 additions and 2 deletions
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6
sys/kern/vfs_cache.c
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@ -1,4 +1,4 @@
/* $NetBSD: vfs_cache.c,v 1.78 2008/08/20 15:34:59 pooka Exp $ */ /* $NetBSD: vfs_cache.c,v 1.79 2008/10/25 14:18:18 yamt Exp $ */
/*- /*-
* Copyright (c) 2008 The NetBSD Foundation, Inc. * Copyright (c) 2008 The NetBSD Foundation, Inc.
@ -58,7 +58,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vfs_cache.c,v 1.78 2008/08/20 15:34:59 pooka Exp $"); __KERNEL_RCSID(0, "$NetBSD: vfs_cache.c,v 1.79 2008/10/25 14:18:18 yamt Exp $");
#include "opt_ddb.h" #include "opt_ddb.h"
#include "opt_revcache.h" #include "opt_revcache.h"
@ -341,6 +341,7 @@ cache_lookup(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp)
/* /*
* Restore the ISWHITEOUT flag saved earlier. * Restore the ISWHITEOUT flag saved earlier.
*/ */
KASSERT((ncp->nc_flags & ~ISWHITEOUT) == 0);
cnp->cn_flags |= ncp->nc_flags; cnp->cn_flags |= ncp->nc_flags;
if (__predict_true(cnp->cn_nameiop != CREATE || if (__predict_true(cnp->cn_nameiop != CREATE ||
(cnp->cn_flags & ISLASTCN) == 0)) { (cnp->cn_flags & ISLASTCN) == 0)) {
@ -456,6 +457,7 @@ cache_lookup_raw(struct vnode *dvp, struct vnode **vpp,
/* /*
* Restore the ISWHITEOUT flag saved earlier. * Restore the ISWHITEOUT flag saved earlier.
*/ */
KASSERT((ncp->nc_flags & ~ISWHITEOUT) == 0);
cnp->cn_flags |= ncp->nc_flags; cnp->cn_flags |= ncp->nc_flags;
COUNT(cpup->cpu_stats, ncs_neghits); COUNT(cpup->cpu_stats, ncs_neghits);
mutex_exit(&ncp->nc_lock); mutex_exit(&ncp->nc_lock);