xref: /freebsd/sys/contrib/openzfs/module/os/linux/zfs/mmp_os.c (revision 086ce467adec42d58414fdb4d54c2b6819cf0c07)
1 // SPDX-License-Identifier: CDDL-1.0
2 /*
3  * CDDL HEADER START
4  *
5  * The contents of this file are subject to the terms of the
6  * Common Development and Distribution License (the "License").
7  * You may not use this file except in compliance with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or https://opensource.org/licenses/CDDL-1.0.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 2017 by Lawrence Livermore National Security, LLC.
24  */
25 
26 #include <sys/zfs_context.h>
27 #include <sys/mmp.h>
28 
29 int
30 param_set_multihost_interval(const char *val, zfs_kernel_param_t *kp)
31 {
32 	int ret;
33 
34 	ret = spl_param_set_u64(val, kp);
35 	if (ret < 0)
36 		return (ret);
37 
38 	if (spa_mode_global != SPA_MODE_UNINIT)
39 		mmp_signal_all_threads();
40 
41 	return (ret);
42 }
43