596 lines
18 KiB
C
596 lines
18 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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*/
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/* Portions Copyright 2010 Robert Milkowski */
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#include <sys/zio.h>
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#include <sys/spa.h>
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#include <sys/u8_textprep.h>
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#include <sys/zfs_acl.h>
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#include <sys/zfs_ioctl.h>
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#include <sys/zfs_znode.h>
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#include "zfs_prop.h"
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#include "zfs_deleg.h"
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#if defined(_KERNEL)
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#include <sys/systm.h>
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#else
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#endif
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static zprop_desc_t zfs_prop_table[ZFS_NUM_PROPS];
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/* Note this is indexed by zfs_userquota_prop_t, keep the order the same */
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const char *zfs_userquota_prop_prefixes[] = {
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"userused@",
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"userquota@",
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"groupused@",
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"groupquota@"
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};
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zprop_desc_t *
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zfs_prop_get_table(void)
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{
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return (zfs_prop_table);
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}
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void
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zfs_prop_init(void)
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{
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static zprop_index_t checksum_table[] = {
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{ "on", ZIO_CHECKSUM_ON },
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{ "off", ZIO_CHECKSUM_OFF },
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{ "fletcher2", ZIO_CHECKSUM_FLETCHER_2 },
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{ "fletcher4", ZIO_CHECKSUM_FLETCHER_4 },
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{ "sha256", ZIO_CHECKSUM_SHA256 },
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{ NULL }
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};
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static zprop_index_t dedup_table[] = {
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{ "on", ZIO_CHECKSUM_ON },
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{ "off", ZIO_CHECKSUM_OFF },
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{ "verify", ZIO_CHECKSUM_ON | ZIO_CHECKSUM_VERIFY },
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{ "sha256", ZIO_CHECKSUM_SHA256 },
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{ "sha256,verify",
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ZIO_CHECKSUM_SHA256 | ZIO_CHECKSUM_VERIFY },
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{ NULL }
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};
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static zprop_index_t compress_table[] = {
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{ "on", ZIO_COMPRESS_ON },
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{ "off", ZIO_COMPRESS_OFF },
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{ "lzjb", ZIO_COMPRESS_LZJB },
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{ "gzip", ZIO_COMPRESS_GZIP_6 }, /* gzip default */
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{ "gzip-1", ZIO_COMPRESS_GZIP_1 },
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{ "gzip-2", ZIO_COMPRESS_GZIP_2 },
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{ "gzip-3", ZIO_COMPRESS_GZIP_3 },
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{ "gzip-4", ZIO_COMPRESS_GZIP_4 },
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{ "gzip-5", ZIO_COMPRESS_GZIP_5 },
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{ "gzip-6", ZIO_COMPRESS_GZIP_6 },
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{ "gzip-7", ZIO_COMPRESS_GZIP_7 },
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{ "gzip-8", ZIO_COMPRESS_GZIP_8 },
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{ "gzip-9", ZIO_COMPRESS_GZIP_9 },
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{ "zle", ZIO_COMPRESS_ZLE },
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{ NULL }
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};
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static zprop_index_t snapdir_table[] = {
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{ "hidden", ZFS_SNAPDIR_HIDDEN },
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{ "visible", ZFS_SNAPDIR_VISIBLE },
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{ NULL }
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};
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static zprop_index_t acl_inherit_table[] = {
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{ "discard", ZFS_ACL_DISCARD },
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{ "noallow", ZFS_ACL_NOALLOW },
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{ "restricted", ZFS_ACL_RESTRICTED },
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{ "passthrough", ZFS_ACL_PASSTHROUGH },
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{ "secure", ZFS_ACL_RESTRICTED }, /* bkwrd compatability */
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{ "passthrough-x", ZFS_ACL_PASSTHROUGH_X },
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{ NULL }
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};
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static zprop_index_t case_table[] = {
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{ "sensitive", ZFS_CASE_SENSITIVE },
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{ "insensitive", ZFS_CASE_INSENSITIVE },
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{ "mixed", ZFS_CASE_MIXED },
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{ NULL }
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};
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static zprop_index_t copies_table[] = {
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{ "1", 1 },
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{ "2", 2 },
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{ "3", 3 },
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{ NULL }
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};
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/*
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* Use the unique flags we have to send to u8_strcmp() and/or
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* u8_textprep() to represent the various normalization property
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* values.
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*/
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static zprop_index_t normalize_table[] = {
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{ "none", 0 },
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{ "formD", U8_TEXTPREP_NFD },
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{ "formKC", U8_TEXTPREP_NFKC },
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{ "formC", U8_TEXTPREP_NFC },
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{ "formKD", U8_TEXTPREP_NFKD },
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{ NULL }
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};
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static zprop_index_t version_table[] = {
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{ "1", 1 },
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{ "2", 2 },
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{ "3", 3 },
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{ "4", 4 },
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{ "5", 5 },
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{ "current", ZPL_VERSION },
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{ NULL }
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};
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static zprop_index_t boolean_table[] = {
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{ "off", 0 },
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{ "on", 1 },
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{ NULL }
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};
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static zprop_index_t logbias_table[] = {
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{ "latency", ZFS_LOGBIAS_LATENCY },
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{ "throughput", ZFS_LOGBIAS_THROUGHPUT },
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{ NULL }
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};
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static zprop_index_t canmount_table[] = {
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{ "off", ZFS_CANMOUNT_OFF },
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{ "on", ZFS_CANMOUNT_ON },
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{ "noauto", ZFS_CANMOUNT_NOAUTO },
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{ NULL }
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};
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static zprop_index_t cache_table[] = {
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{ "none", ZFS_CACHE_NONE },
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{ "metadata", ZFS_CACHE_METADATA },
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{ "all", ZFS_CACHE_ALL },
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{ NULL }
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};
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static zprop_index_t sync_table[] = {
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{ "standard", ZFS_SYNC_STANDARD },
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{ "always", ZFS_SYNC_ALWAYS },
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{ "disabled", ZFS_SYNC_DISABLED },
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{ NULL }
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};
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/* inherit index properties */
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zprop_register_index(ZFS_PROP_SYNC, "sync", ZFS_SYNC_STANDARD,
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PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
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"standard | always | disabled", "SYNC",
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sync_table);
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zprop_register_index(ZFS_PROP_CHECKSUM, "checksum",
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ZIO_CHECKSUM_DEFAULT, PROP_INHERIT, ZFS_TYPE_FILESYSTEM |
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ZFS_TYPE_VOLUME,
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"on | off | fletcher2 | fletcher4 | sha256", "CHECKSUM",
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checksum_table);
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zprop_register_index(ZFS_PROP_DEDUP, "dedup", ZIO_CHECKSUM_OFF,
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PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
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"on | off | verify | sha256[,verify]", "DEDUP",
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dedup_table);
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zprop_register_index(ZFS_PROP_COMPRESSION, "compression",
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ZIO_COMPRESS_DEFAULT, PROP_INHERIT,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
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"on | off | lzjb | gzip | gzip-[1-9] | zle", "COMPRESS",
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compress_table);
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zprop_register_index(ZFS_PROP_SNAPDIR, "snapdir", ZFS_SNAPDIR_HIDDEN,
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PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
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"hidden | visible", "SNAPDIR", snapdir_table);
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zprop_register_index(ZFS_PROP_ACLINHERIT, "aclinherit",
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ZFS_ACL_RESTRICTED, PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
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"discard | noallow | restricted | passthrough | passthrough-x",
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"ACLINHERIT", acl_inherit_table);
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zprop_register_index(ZFS_PROP_COPIES, "copies", 1, PROP_INHERIT,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
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"1 | 2 | 3", "COPIES", copies_table);
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zprop_register_index(ZFS_PROP_PRIMARYCACHE, "primarycache",
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ZFS_CACHE_ALL, PROP_INHERIT,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME,
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"all | none | metadata", "PRIMARYCACHE", cache_table);
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zprop_register_index(ZFS_PROP_SECONDARYCACHE, "secondarycache",
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ZFS_CACHE_ALL, PROP_INHERIT,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME,
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"all | none | metadata", "SECONDARYCACHE", cache_table);
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zprop_register_index(ZFS_PROP_LOGBIAS, "logbias", ZFS_LOGBIAS_LATENCY,
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PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
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"latency | throughput", "LOGBIAS", logbias_table);
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/* inherit index (boolean) properties */
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zprop_register_index(ZFS_PROP_ATIME, "atime", 1, PROP_INHERIT,
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ZFS_TYPE_FILESYSTEM, "on | off", "ATIME", boolean_table);
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zprop_register_index(ZFS_PROP_DEVICES, "devices", 1, PROP_INHERIT,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "DEVICES",
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boolean_table);
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zprop_register_index(ZFS_PROP_EXEC, "exec", 1, PROP_INHERIT,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "EXEC",
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boolean_table);
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zprop_register_index(ZFS_PROP_SETUID, "setuid", 1, PROP_INHERIT,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "SETUID",
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boolean_table);
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zprop_register_index(ZFS_PROP_READONLY, "readonly", 0, PROP_INHERIT,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "on | off", "RDONLY",
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boolean_table);
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zprop_register_index(ZFS_PROP_ZONED, "zoned", 0, PROP_INHERIT,
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ZFS_TYPE_FILESYSTEM, "on | off", "ZONED", boolean_table);
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zprop_register_index(ZFS_PROP_XATTR, "xattr", 1, PROP_INHERIT,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "XATTR",
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boolean_table);
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zprop_register_index(ZFS_PROP_VSCAN, "vscan", 0, PROP_INHERIT,
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ZFS_TYPE_FILESYSTEM, "on | off", "VSCAN",
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boolean_table);
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zprop_register_index(ZFS_PROP_NBMAND, "nbmand", 0, PROP_INHERIT,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "NBMAND",
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boolean_table);
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/* default index properties */
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zprop_register_index(ZFS_PROP_VERSION, "version", 0, PROP_DEFAULT,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
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"1 | 2 | 3 | 4 | current", "VERSION", version_table);
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zprop_register_index(ZFS_PROP_CANMOUNT, "canmount", ZFS_CANMOUNT_ON,
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PROP_DEFAULT, ZFS_TYPE_FILESYSTEM, "on | off | noauto",
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"CANMOUNT", canmount_table);
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/* readonly index (boolean) properties */
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zprop_register_index(ZFS_PROP_MOUNTED, "mounted", 0, PROP_READONLY,
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ZFS_TYPE_FILESYSTEM, "yes | no", "MOUNTED", boolean_table);
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zprop_register_index(ZFS_PROP_DEFER_DESTROY, "defer_destroy", 0,
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PROP_READONLY, ZFS_TYPE_SNAPSHOT, "yes | no", "DEFER_DESTROY",
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boolean_table);
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/* set once index properties */
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zprop_register_index(ZFS_PROP_NORMALIZE, "normalization", 0,
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PROP_ONETIME, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
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"none | formC | formD | formKC | formKD", "NORMALIZATION",
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normalize_table);
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zprop_register_index(ZFS_PROP_CASE, "casesensitivity",
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ZFS_CASE_SENSITIVE, PROP_ONETIME, ZFS_TYPE_FILESYSTEM |
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ZFS_TYPE_SNAPSHOT,
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"sensitive | insensitive | mixed", "CASE", case_table);
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/* set once index (boolean) properties */
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zprop_register_index(ZFS_PROP_UTF8ONLY, "utf8only", 0, PROP_ONETIME,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
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"on | off", "UTF8ONLY", boolean_table);
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/* string properties */
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zprop_register_string(ZFS_PROP_ORIGIN, "origin", NULL, PROP_READONLY,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<snapshot>", "ORIGIN");
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zprop_register_string(ZFS_PROP_MOUNTPOINT, "mountpoint", "/",
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PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "<path> | legacy | none",
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"MOUNTPOINT");
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zprop_register_string(ZFS_PROP_SHARENFS, "sharenfs", "off",
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PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "on | off | share(1M) options",
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"SHARENFS");
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zprop_register_string(ZFS_PROP_TYPE, "type", NULL, PROP_READONLY,
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ZFS_TYPE_DATASET, "filesystem | volume | snapshot", "TYPE");
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zprop_register_string(ZFS_PROP_SHARESMB, "sharesmb", "off",
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PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
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"on | off | sharemgr(1M) options", "SHARESMB");
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zprop_register_string(ZFS_PROP_MLSLABEL, "mlslabel",
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ZFS_MLSLABEL_DEFAULT, PROP_INHERIT, ZFS_TYPE_DATASET,
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"<sensitivity label>", "MLSLABEL");
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/* readonly number properties */
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zprop_register_number(ZFS_PROP_USED, "used", 0, PROP_READONLY,
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ZFS_TYPE_DATASET, "<size>", "USED");
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zprop_register_number(ZFS_PROP_AVAILABLE, "available", 0, PROP_READONLY,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "AVAIL");
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zprop_register_number(ZFS_PROP_REFERENCED, "referenced", 0,
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PROP_READONLY, ZFS_TYPE_DATASET, "<size>", "REFER");
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zprop_register_number(ZFS_PROP_COMPRESSRATIO, "compressratio", 0,
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PROP_READONLY, ZFS_TYPE_DATASET,
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"<1.00x or higher if compressed>", "RATIO");
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zprop_register_number(ZFS_PROP_VOLBLOCKSIZE, "volblocksize",
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ZVOL_DEFAULT_BLOCKSIZE, PROP_ONETIME,
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ZFS_TYPE_VOLUME, "512 to 128k, power of 2", "VOLBLOCK");
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zprop_register_number(ZFS_PROP_USEDSNAP, "usedbysnapshots", 0,
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PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>",
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"USEDSNAP");
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zprop_register_number(ZFS_PROP_USEDDS, "usedbydataset", 0,
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PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>",
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"USEDDS");
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zprop_register_number(ZFS_PROP_USEDCHILD, "usedbychildren", 0,
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PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>",
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"USEDCHILD");
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zprop_register_number(ZFS_PROP_USEDREFRESERV, "usedbyrefreservation", 0,
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PROP_READONLY,
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ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "USEDREFRESERV");
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zprop_register_number(ZFS_PROP_USERREFS, "userrefs", 0, PROP_READONLY,
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ZFS_TYPE_SNAPSHOT, "<count>", "USERREFS");
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/* default number properties */
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zprop_register_number(ZFS_PROP_QUOTA, "quota", 0, PROP_DEFAULT,
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ZFS_TYPE_FILESYSTEM, "<size> | none", "QUOTA");
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zprop_register_number(ZFS_PROP_RESERVATION, "reservation", 0,
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PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
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"<size> | none", "RESERV");
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zprop_register_number(ZFS_PROP_VOLSIZE, "volsize", 0, PROP_DEFAULT,
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ZFS_TYPE_VOLUME, "<size>", "VOLSIZE");
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zprop_register_number(ZFS_PROP_REFQUOTA, "refquota", 0, PROP_DEFAULT,
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ZFS_TYPE_FILESYSTEM, "<size> | none", "REFQUOTA");
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zprop_register_number(ZFS_PROP_REFRESERVATION, "refreservation", 0,
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PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
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"<size> | none", "REFRESERV");
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/* inherit number properties */
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zprop_register_number(ZFS_PROP_RECORDSIZE, "recordsize",
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SPA_MAXBLOCKSIZE, PROP_INHERIT,
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ZFS_TYPE_FILESYSTEM, "512 to 128k, power of 2", "RECSIZE");
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/* hidden properties */
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zprop_register_hidden(ZFS_PROP_CREATETXG, "createtxg", PROP_TYPE_NUMBER,
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PROP_READONLY, ZFS_TYPE_DATASET, "CREATETXG");
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zprop_register_hidden(ZFS_PROP_NUMCLONES, "numclones", PROP_TYPE_NUMBER,
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PROP_READONLY, ZFS_TYPE_SNAPSHOT, "NUMCLONES");
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zprop_register_hidden(ZFS_PROP_NAME, "name", PROP_TYPE_STRING,
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PROP_READONLY, ZFS_TYPE_DATASET, "NAME");
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zprop_register_hidden(ZFS_PROP_ISCSIOPTIONS, "iscsioptions",
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PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME, "ISCSIOPTIONS");
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zprop_register_hidden(ZFS_PROP_STMF_SHAREINFO, "stmf_sbd_lu",
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PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME,
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"STMF_SBD_LU");
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zprop_register_hidden(ZFS_PROP_GUID, "guid", PROP_TYPE_NUMBER,
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PROP_READONLY, ZFS_TYPE_DATASET, "GUID");
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zprop_register_hidden(ZFS_PROP_USERACCOUNTING, "useraccounting",
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PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET,
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"USERACCOUNTING");
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zprop_register_hidden(ZFS_PROP_UNIQUE, "unique", PROP_TYPE_NUMBER,
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PROP_READONLY, ZFS_TYPE_DATASET, "UNIQUE");
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zprop_register_hidden(ZFS_PROP_OBJSETID, "objsetid", PROP_TYPE_NUMBER,
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PROP_READONLY, ZFS_TYPE_DATASET, "OBJSETID");
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/*
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* Property to be removed once libbe is integrated
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*/
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zprop_register_hidden(ZFS_PROP_PRIVATE, "priv_prop",
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PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_FILESYSTEM,
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"PRIV_PROP");
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/* oddball properties */
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zprop_register_impl(ZFS_PROP_CREATION, "creation", PROP_TYPE_NUMBER, 0,
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NULL, PROP_READONLY, ZFS_TYPE_DATASET,
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"<date>", "CREATION", B_FALSE, B_TRUE, NULL);
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}
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boolean_t
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zfs_prop_delegatable(zfs_prop_t prop)
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{
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zprop_desc_t *pd = &zfs_prop_table[prop];
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/* The mlslabel property is never delegatable. */
|
|
if (prop == ZFS_PROP_MLSLABEL)
|
|
return (B_FALSE);
|
|
|
|
return (pd->pd_attr != PROP_READONLY);
|
|
}
|
|
|
|
/*
|
|
* Given a zfs dataset property name, returns the corresponding property ID.
|
|
*/
|
|
zfs_prop_t
|
|
zfs_name_to_prop(const char *propname)
|
|
{
|
|
return (zprop_name_to_prop(propname, ZFS_TYPE_DATASET));
|
|
}
|
|
|
|
/*
|
|
* For user property names, we allow all lowercase alphanumeric characters, plus
|
|
* a few useful punctuation characters.
|
|
*/
|
|
static int
|
|
valid_char(char c)
|
|
{
|
|
return ((c >= 'a' && c <= 'z') ||
|
|
(c >= '0' && c <= '9') ||
|
|
c == '-' || c == '_' || c == '.' || c == ':');
|
|
}
|
|
|
|
/*
|
|
* Returns true if this is a valid user-defined property (one with a ':').
|
|
*/
|
|
boolean_t
|
|
zfs_prop_user(const char *name)
|
|
{
|
|
int i;
|
|
char c;
|
|
boolean_t foundsep = B_FALSE;
|
|
|
|
for (i = 0; i < strlen(name); i++) {
|
|
c = name[i];
|
|
if (!valid_char(c))
|
|
return (B_FALSE);
|
|
if (c == ':')
|
|
foundsep = B_TRUE;
|
|
}
|
|
|
|
if (!foundsep)
|
|
return (B_FALSE);
|
|
|
|
return (B_TRUE);
|
|
}
|
|
|
|
/*
|
|
* Returns true if this is a valid userspace-type property (one with a '@').
|
|
* Note that after the @, any character is valid (eg, another @, for SID
|
|
* user@domain).
|
|
*/
|
|
boolean_t
|
|
zfs_prop_userquota(const char *name)
|
|
{
|
|
zfs_userquota_prop_t prop;
|
|
|
|
for (prop = 0; prop < ZFS_NUM_USERQUOTA_PROPS; prop++) {
|
|
if (strncmp(name, zfs_userquota_prop_prefixes[prop],
|
|
strlen(zfs_userquota_prop_prefixes[prop])) == 0) {
|
|
return (B_TRUE);
|
|
}
|
|
}
|
|
|
|
return (B_FALSE);
|
|
}
|
|
|
|
/*
|
|
* Tables of index types, plus functions to convert between the user view
|
|
* (strings) and internal representation (uint64_t).
|
|
*/
|
|
int
|
|
zfs_prop_string_to_index(zfs_prop_t prop, const char *string, uint64_t *index)
|
|
{
|
|
return (zprop_string_to_index(prop, string, index, ZFS_TYPE_DATASET));
|
|
}
|
|
|
|
int
|
|
zfs_prop_index_to_string(zfs_prop_t prop, uint64_t index, const char **string)
|
|
{
|
|
return (zprop_index_to_string(prop, index, string, ZFS_TYPE_DATASET));
|
|
}
|
|
|
|
uint64_t
|
|
zfs_prop_random_value(zfs_prop_t prop, uint64_t seed)
|
|
{
|
|
return (zprop_random_value(prop, seed, ZFS_TYPE_DATASET));
|
|
}
|
|
|
|
/*
|
|
* Returns TRUE if the property applies to any of the given dataset types.
|
|
*/
|
|
boolean_t
|
|
zfs_prop_valid_for_type(int prop, zfs_type_t types)
|
|
{
|
|
return (zprop_valid_for_type(prop, types));
|
|
}
|
|
|
|
zprop_type_t
|
|
zfs_prop_get_type(zfs_prop_t prop)
|
|
{
|
|
return (zfs_prop_table[prop].pd_proptype);
|
|
}
|
|
|
|
/*
|
|
* Returns TRUE if the property is readonly.
|
|
*/
|
|
boolean_t
|
|
zfs_prop_readonly(zfs_prop_t prop)
|
|
{
|
|
return (zfs_prop_table[prop].pd_attr == PROP_READONLY ||
|
|
zfs_prop_table[prop].pd_attr == PROP_ONETIME);
|
|
}
|
|
|
|
/*
|
|
* Returns TRUE if the property is only allowed to be set once.
|
|
*/
|
|
boolean_t
|
|
zfs_prop_setonce(zfs_prop_t prop)
|
|
{
|
|
return (zfs_prop_table[prop].pd_attr == PROP_ONETIME);
|
|
}
|
|
|
|
const char *
|
|
zfs_prop_default_string(zfs_prop_t prop)
|
|
{
|
|
return (zfs_prop_table[prop].pd_strdefault);
|
|
}
|
|
|
|
uint64_t
|
|
zfs_prop_default_numeric(zfs_prop_t prop)
|
|
{
|
|
return (zfs_prop_table[prop].pd_numdefault);
|
|
}
|
|
|
|
/*
|
|
* Given a dataset property ID, returns the corresponding name.
|
|
* Assuming the zfs dataset property ID is valid.
|
|
*/
|
|
const char *
|
|
zfs_prop_to_name(zfs_prop_t prop)
|
|
{
|
|
return (zfs_prop_table[prop].pd_name);
|
|
}
|
|
|
|
/*
|
|
* Returns TRUE if the property is inheritable.
|
|
*/
|
|
boolean_t
|
|
zfs_prop_inheritable(zfs_prop_t prop)
|
|
{
|
|
return (zfs_prop_table[prop].pd_attr == PROP_INHERIT ||
|
|
zfs_prop_table[prop].pd_attr == PROP_ONETIME);
|
|
}
|
|
|
|
#ifndef _KERNEL
|
|
|
|
/*
|
|
* Returns a string describing the set of acceptable values for the given
|
|
* zfs property, or NULL if it cannot be set.
|
|
*/
|
|
const char *
|
|
zfs_prop_values(zfs_prop_t prop)
|
|
{
|
|
return (zfs_prop_table[prop].pd_values);
|
|
}
|
|
|
|
/*
|
|
* Returns TRUE if this property is a string type. Note that index types
|
|
* (compression, checksum) are treated as strings in userland, even though they
|
|
* are stored numerically on disk.
|
|
*/
|
|
int
|
|
zfs_prop_is_string(zfs_prop_t prop)
|
|
{
|
|
return (zfs_prop_table[prop].pd_proptype == PROP_TYPE_STRING ||
|
|
zfs_prop_table[prop].pd_proptype == PROP_TYPE_INDEX);
|
|
}
|
|
|
|
/*
|
|
* Returns the column header for the given property. Used only in
|
|
* 'zfs list -o', but centralized here with the other property information.
|
|
*/
|
|
const char *
|
|
zfs_prop_column_name(zfs_prop_t prop)
|
|
{
|
|
return (zfs_prop_table[prop].pd_colname);
|
|
}
|
|
|
|
/*
|
|
* Returns whether the given property should be displayed right-justified for
|
|
* 'zfs list'.
|
|
*/
|
|
boolean_t
|
|
zfs_prop_align_right(zfs_prop_t prop)
|
|
{
|
|
return (zfs_prop_table[prop].pd_rightalign);
|
|
}
|
|
|
|
#endif
|