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1693 persistent 'comment' field for a zpool
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--- old/usr/src/common/zfs/zpool_prop.c
+++ new/usr/src/common/zfs/zpool_prop.c
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
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13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
23 + * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
24 + * Copyright (c) 2011 by Delphix. All rights reserved.
23 25 */
24 26
25 27 #include <sys/zio.h>
26 28 #include <sys/spa.h>
27 29 #include <sys/zfs_acl.h>
28 30 #include <sys/zfs_ioctl.h>
29 31 #include <sys/fs/zfs.h>
30 32
31 33 #include "zfs_prop.h"
32 34
33 35 #if defined(_KERNEL)
34 36 #include <sys/systm.h>
35 37 #else
36 38 #include <stdlib.h>
37 39 #include <string.h>
38 40 #include <ctype.h>
39 41 #endif
40 42
41 43 static zprop_desc_t zpool_prop_table[ZPOOL_NUM_PROPS];
42 44
43 45 zprop_desc_t *
44 46 zpool_prop_get_table(void)
45 47 {
46 48 return (zpool_prop_table);
47 49 }
48 50
49 51 void
50 52 zpool_prop_init(void)
51 53 {
52 54 static zprop_index_t boolean_table[] = {
53 55 { "off", 0},
54 56 { "on", 1},
55 57 { NULL }
56 58 };
57 59
58 60 static zprop_index_t failuremode_table[] = {
59 61 { "wait", ZIO_FAILURE_MODE_WAIT },
60 62 { "continue", ZIO_FAILURE_MODE_CONTINUE },
61 63 { "panic", ZIO_FAILURE_MODE_PANIC },
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62 64 { NULL }
63 65 };
64 66
65 67 /* string properties */
66 68 zprop_register_string(ZPOOL_PROP_ALTROOT, "altroot", NULL, PROP_DEFAULT,
67 69 ZFS_TYPE_POOL, "<path>", "ALTROOT");
68 70 zprop_register_string(ZPOOL_PROP_BOOTFS, "bootfs", NULL, PROP_DEFAULT,
69 71 ZFS_TYPE_POOL, "<filesystem>", "BOOTFS");
70 72 zprop_register_string(ZPOOL_PROP_CACHEFILE, "cachefile", NULL,
71 73 PROP_DEFAULT, ZFS_TYPE_POOL, "<file> | none", "CACHEFILE");
74 + zprop_register_string(ZPOOL_PROP_COMMENT, "comment", NULL,
75 + PROP_DEFAULT, ZFS_TYPE_POOL, "<comment-string>", "COMMENT");
72 76
73 77 /* readonly number properties */
74 78 zprop_register_number(ZPOOL_PROP_SIZE, "size", 0, PROP_READONLY,
75 79 ZFS_TYPE_POOL, "<size>", "SIZE");
76 80 zprop_register_number(ZPOOL_PROP_FREE, "free", 0, PROP_READONLY,
77 81 ZFS_TYPE_POOL, "<size>", "FREE");
78 82 zprop_register_number(ZPOOL_PROP_ALLOCATED, "allocated", 0,
79 83 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "ALLOC");
80 84 zprop_register_number(ZPOOL_PROP_CAPACITY, "capacity", 0, PROP_READONLY,
81 85 ZFS_TYPE_POOL, "<size>", "CAP");
82 86 zprop_register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY,
83 87 ZFS_TYPE_POOL, "<guid>", "GUID");
84 88 zprop_register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY,
85 89 ZFS_TYPE_POOL, "<state>", "HEALTH");
86 90 zprop_register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0,
87 91 PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if deduped>",
88 92 "DEDUP");
89 93
90 94 /* default number properties */
91 95 zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION,
92 96 PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION");
93 97 zprop_register_number(ZPOOL_PROP_DEDUPDITTO, "dedupditto", 0,
94 98 PROP_DEFAULT, ZFS_TYPE_POOL, "<threshold (min 100)>", "DEDUPDITTO");
95 99
96 100 /* default index (boolean) properties */
97 101 zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1,
98 102 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION",
99 103 boolean_table);
100 104 zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0,
101 105 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table);
102 106 zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0,
103 107 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS",
104 108 boolean_table);
105 109 zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0,
106 110 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table);
107 111 zprop_register_index(ZPOOL_PROP_READONLY, "readonly", 0,
108 112 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "RDONLY", boolean_table);
109 113
110 114 /* default index properties */
111 115 zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode",
112 116 ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL,
113 117 "wait | continue | panic", "FAILMODE", failuremode_table);
114 118
115 119 /* hidden properties */
116 120 zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING,
117 121 PROP_READONLY, ZFS_TYPE_POOL, "NAME");
118 122 }
119 123
120 124 /*
121 125 * Given a property name and its type, returns the corresponding property ID.
122 126 */
123 127 zpool_prop_t
124 128 zpool_name_to_prop(const char *propname)
125 129 {
126 130 return (zprop_name_to_prop(propname, ZFS_TYPE_POOL));
127 131 }
128 132
129 133 /*
130 134 * Given a pool property ID, returns the corresponding name.
131 135 * Assuming the pool propety ID is valid.
132 136 */
133 137 const char *
134 138 zpool_prop_to_name(zpool_prop_t prop)
135 139 {
136 140 return (zpool_prop_table[prop].pd_name);
137 141 }
138 142
139 143 zprop_type_t
140 144 zpool_prop_get_type(zpool_prop_t prop)
141 145 {
142 146 return (zpool_prop_table[prop].pd_proptype);
143 147 }
144 148
145 149 boolean_t
146 150 zpool_prop_readonly(zpool_prop_t prop)
147 151 {
148 152 return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
149 153 }
150 154
151 155 const char *
152 156 zpool_prop_default_string(zpool_prop_t prop)
153 157 {
154 158 return (zpool_prop_table[prop].pd_strdefault);
155 159 }
156 160
157 161 uint64_t
158 162 zpool_prop_default_numeric(zpool_prop_t prop)
159 163 {
160 164 return (zpool_prop_table[prop].pd_numdefault);
161 165 }
162 166
163 167 int
164 168 zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
165 169 uint64_t *index)
166 170 {
167 171 return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
168 172 }
169 173
170 174 int
171 175 zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
172 176 const char **string)
173 177 {
174 178 return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
175 179 }
176 180
177 181 uint64_t
178 182 zpool_prop_random_value(zpool_prop_t prop, uint64_t seed)
179 183 {
180 184 return (zprop_random_value(prop, seed, ZFS_TYPE_POOL));
181 185 }
182 186
183 187 #ifndef _KERNEL
184 188
185 189 const char *
186 190 zpool_prop_values(zpool_prop_t prop)
187 191 {
188 192 return (zpool_prop_table[prop].pd_values);
189 193 }
190 194
191 195 const char *
192 196 zpool_prop_column_name(zpool_prop_t prop)
193 197 {
194 198 return (zpool_prop_table[prop].pd_colname);
195 199 }
196 200
197 201 boolean_t
198 202 zpool_prop_align_right(zpool_prop_t prop)
199 203 {
200 204 return (zpool_prop_table[prop].pd_rightalign);
201 205 }
202 206 #endif
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