xref: /freebsd-src/sys/contrib/openzfs/module/os/linux/zfs/mmp_os.c (revision dbd5678dca91abcefe8d046aa2f9b66497a95ffb)
1eda14cbcSMatt Macy /*
2eda14cbcSMatt Macy  * CDDL HEADER START
3eda14cbcSMatt Macy  *
4eda14cbcSMatt Macy  * The contents of this file are subject to the terms of the
5eda14cbcSMatt Macy  * Common Development and Distribution License (the "License").
6eda14cbcSMatt Macy  * You may not use this file except in compliance with the License.
7eda14cbcSMatt Macy  *
8eda14cbcSMatt Macy  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9271171e0SMartin Matuska  * or https://opensource.org/licenses/CDDL-1.0.
10eda14cbcSMatt Macy  * See the License for the specific language governing permissions
11eda14cbcSMatt Macy  * and limitations under the License.
12eda14cbcSMatt Macy  *
13eda14cbcSMatt Macy  * When distributing Covered Code, include this CDDL HEADER in each
14eda14cbcSMatt Macy  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15eda14cbcSMatt Macy  * If applicable, add the following below this CDDL HEADER, with the
16eda14cbcSMatt Macy  * fields enclosed by brackets "[]" replaced with your own identifying
17eda14cbcSMatt Macy  * information: Portions Copyright [yyyy] [name of copyright owner]
18eda14cbcSMatt Macy  *
19eda14cbcSMatt Macy  * CDDL HEADER END
20eda14cbcSMatt Macy  */
21eda14cbcSMatt Macy /*
22eda14cbcSMatt Macy  * Copyright (c) 2017 by Lawrence Livermore National Security, LLC.
23eda14cbcSMatt Macy  */
24eda14cbcSMatt Macy 
25eda14cbcSMatt Macy #include <sys/zfs_context.h>
26eda14cbcSMatt Macy #include <sys/mmp.h>
27eda14cbcSMatt Macy 
28eda14cbcSMatt Macy int
param_set_multihost_interval(const char * val,zfs_kernel_param_t * kp)29eda14cbcSMatt Macy param_set_multihost_interval(const char *val, zfs_kernel_param_t *kp)
30eda14cbcSMatt Macy {
31eda14cbcSMatt Macy 	int ret;
32eda14cbcSMatt Macy 
33*dbd5678dSMartin Matuska 	ret = spl_param_set_u64(val, kp);
34eda14cbcSMatt Macy 	if (ret < 0)
35eda14cbcSMatt Macy 		return (ret);
36eda14cbcSMatt Macy 
37eda14cbcSMatt Macy 	if (spa_mode_global != SPA_MODE_UNINIT)
38eda14cbcSMatt Macy 		mmp_signal_all_threads();
39eda14cbcSMatt Macy 
40eda14cbcSMatt Macy 	return (ret);
41eda14cbcSMatt Macy }
42