1*7a7741afSMartin Matuska /*
2*7a7741afSMartin Matuska * CDDL HEADER START
3*7a7741afSMartin Matuska *
4*7a7741afSMartin Matuska * The contents of this file are subject to the terms of the
5*7a7741afSMartin Matuska * Common Development and Distribution License (the "License").
6*7a7741afSMartin Matuska * You may not use this file except in compliance with the License.
7*7a7741afSMartin Matuska *
8*7a7741afSMartin Matuska * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*7a7741afSMartin Matuska * or https://opensource.org/licenses/CDDL-1.0.
10*7a7741afSMartin Matuska * See the License for the specific language governing permissions
11*7a7741afSMartin Matuska * and limitations under the License.
12*7a7741afSMartin Matuska *
13*7a7741afSMartin Matuska * When distributing Covered Code, include this CDDL HEADER in each
14*7a7741afSMartin Matuska * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*7a7741afSMartin Matuska * If applicable, add the following below this CDDL HEADER, with the
16*7a7741afSMartin Matuska * fields enclosed by brackets "[]" replaced with your own identifying
17*7a7741afSMartin Matuska * information: Portions Copyright [yyyy] [name of copyright owner]
18*7a7741afSMartin Matuska *
19*7a7741afSMartin Matuska * CDDL HEADER END
20*7a7741afSMartin Matuska */
21*7a7741afSMartin Matuska
22*7a7741afSMartin Matuska /*
23*7a7741afSMartin Matuska * Copyright (c) 2023 by iXsystems, Inc.
24*7a7741afSMartin Matuska */
25*7a7741afSMartin Matuska
26*7a7741afSMartin Matuska #include <sys/zfs_context.h>
27*7a7741afSMartin Matuska #include <sys/spa.h>
28*7a7741afSMartin Matuska #include <sys/spa_impl.h>
29*7a7741afSMartin Matuska #include <sys/vdev.h>
30*7a7741afSMartin Matuska #include <sys/vdev_impl.h>
31*7a7741afSMartin Matuska
32*7a7741afSMartin Matuska /*
33*7a7741afSMartin Matuska * Check if the reserved boot area is in-use. This is called from
34*7a7741afSMartin Matuska * spa_vdev_attach() when adding a device to a raidz vdev, to ensure that the
35*7a7741afSMartin Matuska * reserved area is available as scratch space for raidz expansion.
36*7a7741afSMartin Matuska *
37*7a7741afSMartin Matuska * This function currently always returns 0. On Linux, there are no known
38*7a7741afSMartin Matuska * external uses of the reserved area. On FreeBSD, the reserved boot area is
39*7a7741afSMartin Matuska * used when booting to a ZFS root from an MBR partition.
40*7a7741afSMartin Matuska *
41*7a7741afSMartin Matuska * Currently nothing using libzpool can add a disk to a pool, so this does
42*7a7741afSMartin Matuska * nothing.
43*7a7741afSMartin Matuska */
44*7a7741afSMartin Matuska int
vdev_check_boot_reserve(spa_t * spa,vdev_t * childvd)45*7a7741afSMartin Matuska vdev_check_boot_reserve(spa_t *spa, vdev_t *childvd)
46*7a7741afSMartin Matuska {
47*7a7741afSMartin Matuska (void) spa;
48*7a7741afSMartin Matuska (void) childvd;
49*7a7741afSMartin Matuska
50*7a7741afSMartin Matuska return (0);
51*7a7741afSMartin Matuska }
52