module/os/linux/zfs/spa_misc_os.c

   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 (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  23  * Copyright (c) 2011, 2019 by Delphix. All rights reserved.
  24  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
  25  * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
  26  * Copyright 2013 Saso Kiselkov. All rights reserved.
  27  * Copyright (c) 2017 Datto Inc.
  28  * Copyright (c) 2017, Intel Corporation.
  29  */
  30
  31 #include <sys/zfs_context.h>
  32 #include <sys/spa_impl.h>
  33 #include <sys/spa.h>
  34 #include <sys/txg.h>
  35 #include <sys/unique.h>
  36 #include <sys/dsl_pool.h>
  37 #include <sys/dsl_dir.h>
  38 #include <sys/dsl_prop.h>
  39 #include <sys/fm/util.h>
  40 #include <sys/dsl_scan.h>
  41 #include <sys/fs/zfs.h>
  42 #include <sys/kstat.h>
  43 #include "zfs_prop.h"
  44
  45
  46 int
  47 param_set_deadman_failmode(const char *val, zfs_kernel_param_t *kp)
  48 {
  49         int error;
  50
  51         error = -param_set_deadman_failmode_common(val);
  52         if (error == 0)
  53                 error = param_set_charp(val, kp);
  54
  55         return (error);
  56 }
  57
  58 int
  59 param_set_deadman_ziotime(const char *val, zfs_kernel_param_t *kp)
  60 {
  61         int error;
  62
  63         error = param_set_ulong(val, kp);
  64         if (error < 0)
  65                 return (SET_ERROR(error));
  66
  67         spa_set_deadman_ziotime(MSEC2NSEC(zfs_deadman_ziotime_ms));
  68
  69         return (0);
  70 }
  71
  72 int
  73 param_set_deadman_synctime(const char *val, zfs_kernel_param_t *kp)
  74 {
  75         int error;
  76
  77         error = param_set_ulong(val, kp);
  78         if (error < 0)
  79                 return (SET_ERROR(error));
  80
  81         spa_set_deadman_synctime(MSEC2NSEC(zfs_deadman_synctime_ms));
  82
  83         return (0);
  84 }
  85
  86 int
  87 param_set_slop_shift(const char *buf, zfs_kernel_param_t *kp)
  88 {
  89         unsigned long val;
  90         int error;
  91
  92         error = kstrtoul(buf, 0, &val);
  93         if (error)
  94                 return (SET_ERROR(error));
  95
  96         if (val < 1 || val > 31)
  97                 return (SET_ERROR(-EINVAL));
  98
  99         error = param_set_int(buf, kp);
 100         if (error < 0)
 101                 return (SET_ERROR(error));
 102
 103         return (0);
 104 }
 105
 106 const char *
 107 spa_history_zone(void)
 108 {
 109         return ("linux");
 110 }
 111
 112 void
 113 spa_import_os(spa_t *spa)
 114 {
 115         (void) spa;
 116 }
 117
 118 void
 119 spa_export_os(spa_t *spa)
 120 {
 121         (void) spa;
 122 }
 123
 124 void
 125 spa_activate_os(spa_t *spa)
 126 {
 127         (void) spa;
 128 }
 129
 130 void
 131 spa_deactivate_os(spa_t *spa)
 132 {
 133         (void) spa;
 134 }