zfs_util.c revision 85dc7ea5e05c7627ea92c11ccb34fd22efd21452
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* This file is intended for functions that ought to be shared between user
* land (libzfs) and the kernel. When many common routines need to be shared
* then a separate file should to be created.
*/
#if defined(_KERNEL)
#include <sys/systm.h>
#endif
#include <sys/types.h>
#include <sys/fs/zfs.h>
#include <sys/nvpair.h>
/*
* Are there allocatable vdevs?
*/
boolean_t
zfs_allocatable_devs(nvlist_t *nv)
{
uint64_t is_log;
uint_t c;
nvlist_t **child;
uint_t children;
if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
&child, &children) != 0) {
return (B_FALSE);
}
for (c = 0; c < children; c++) {
is_log = 0;
(void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
&is_log);
if (!is_log)
return (B_TRUE);
}
return (B_FALSE);
}