1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 /* 29 * This file is intended for functions that ought to be common between user 30 * land (libzfs) and the kernel. When many common routines need to be shared 31 * then a separate file should to be created. 32 */ 33 34 #if defined(_KERNEL) 35 #include <sys/systm.h> 36 #endif 37 38 #include <sys/types.h> 39 #include <sys/fs/zfs.h> 40 #include <sys/nvpair.h> 41 42 /* 43 * Are there allocatable vdevs? 44 */ 45 boolean_t 46 zfs_allocatable_devs(nvlist_t *nv) 47 { 48 uint64_t is_log; 49 uint_t c; 50 nvlist_t **child; 51 uint_t children; 52 53 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 54 &child, &children) != 0) { 55 return (B_FALSE); 56 } 57 for (c = 0; c < children; c++) { 58 is_log = 0; 59 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 60 &is_log); 61 if (!is_log) 62 return (B_TRUE); 63 } 64 return (B_FALSE); 65 } 66