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[src/trunk]: src/sys/kern Switch veriexec_dump() and veriexec_flush() to moun...
details: https://anonhg.NetBSD.org/src/rev/3b9e62d07116
branches: trunk
changeset: 352846:3b9e62d07116
user: hannken <hannken%NetBSD.org@localhost>
date: Wed Apr 12 10:30:02 2017 +0000
description:
Switch veriexec_dump() and veriexec_flush() to mountlist iterator.
diffstat:
sys/kern/kern_veriexec.c | 34 ++++++++++++----------------------
1 files changed, 12 insertions(+), 22 deletions(-)
diffs (74 lines):
diff -r d88ae2993989 -r 3b9e62d07116 sys/kern/kern_veriexec.c
--- a/sys/kern/kern_veriexec.c Wed Apr 12 10:28:39 2017 +0000
+++ b/sys/kern/kern_veriexec.c Wed Apr 12 10:30:02 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: kern_veriexec.c,v 1.11 2015/08/04 12:44:04 maxv Exp $ */
+/* $NetBSD: kern_veriexec.c,v 1.12 2017/04/12 10:30:02 hannken Exp $ */
/*-
* Copyright (c) 2005, 2006 Elad Efrat <elad%NetBSD.org@localhost>
@@ -29,7 +29,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_veriexec.c,v 1.11 2015/08/04 12:44:04 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_veriexec.c,v 1.12 2017/04/12 10:30:02 hannken Exp $");
#include "opt_veriexec.h"
@@ -1363,20 +1363,15 @@
int
veriexec_dump(struct lwp *l, prop_array_t rarray)
{
- struct mount *mp, *nmp;
+ mount_iterator_t *iter;
+ struct mount *mp;
- mutex_enter(&mountlist_lock);
- for (mp = TAILQ_FIRST(&mountlist); mp != NULL; mp = nmp) {
- /* If it fails, the file-system is [being] unmounted. */
- if (vfs_busy(mp, &nmp) != 0)
- continue;
-
+ mountlist_iterator_init(&iter);
+ while ((mp = mountlist_iterator_next(iter)) != NULL) {
fileassoc_table_run(mp, veriexec_hook,
(fileassoc_cb_t)veriexec_file_dump, rarray);
-
- vfs_unbusy(mp, false, &nmp);
}
- mutex_exit(&mountlist_lock);
+ mountlist_iterator_destroy(iter);
return (0);
}
@@ -1384,24 +1379,19 @@
int
veriexec_flush(struct lwp *l)
{
- struct mount *mp, *nmp;
+ mount_iterator_t *iter;
+ struct mount *mp;
int error = 0;
- mutex_enter(&mountlist_lock);
- for (mp = TAILQ_FIRST(&mountlist); mp != NULL; mp = nmp) {
+ mountlist_iterator_init(&iter);
+ while ((mp = mountlist_iterator_next(iter)) != NULL) {
int lerror;
- /* If it fails, the file-system is [being] unmounted. */
- if (vfs_busy(mp, &nmp) != 0)
- continue;
-
lerror = veriexec_table_delete(l, mp);
if (lerror && lerror != ENOENT)
error = lerror;
-
- vfs_unbusy(mp, false, &nmp);
}
- mutex_exit(&mountlist_lock);
+ mountlist_iterator_destroy(iter);
return (error);
}
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