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b41c9906dc
New SSDs are now available which use an internal 8k block size. To make sure ZFS can get the maximum performance out of these devices we're increasing the maximum ashift to 13 (8KB). This value is still small enough that we can fit 16 uberblocks in the vdev ring label. However, I don't want to increase this any futher or it will limit the ability the safely roll back a pool to recover it. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #565
223 lines
6.4 KiB
C
223 lines
6.4 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) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
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*/
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#include <sys/zio.h>
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#include <sys/spa.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/fs/zfs.h>
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#include "zfs_prop.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 zpool_prop_table[ZPOOL_NUM_PROPS];
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zprop_desc_t *
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zpool_prop_get_table(void)
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{
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return (zpool_prop_table);
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}
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void
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zpool_prop_init(void)
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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 failuremode_table[] = {
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{ "wait", ZIO_FAILURE_MODE_WAIT },
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{ "continue", ZIO_FAILURE_MODE_CONTINUE },
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{ "panic", ZIO_FAILURE_MODE_PANIC },
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{ NULL }
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};
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/* string properties */
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zprop_register_string(ZPOOL_PROP_ALTROOT, "altroot", NULL, PROP_DEFAULT,
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ZFS_TYPE_POOL, "<path>", "ALTROOT");
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zprop_register_string(ZPOOL_PROP_BOOTFS, "bootfs", NULL, PROP_DEFAULT,
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ZFS_TYPE_POOL, "<filesystem>", "BOOTFS");
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zprop_register_string(ZPOOL_PROP_CACHEFILE, "cachefile", NULL,
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PROP_DEFAULT, ZFS_TYPE_POOL, "<file> | none", "CACHEFILE");
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/* readonly number properties */
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zprop_register_number(ZPOOL_PROP_SIZE, "size", 0, PROP_READONLY,
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ZFS_TYPE_POOL, "<size>", "SIZE");
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zprop_register_number(ZPOOL_PROP_FREE, "free", 0, PROP_READONLY,
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ZFS_TYPE_POOL, "<size>", "FREE");
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zprop_register_number(ZPOOL_PROP_ALLOCATED, "allocated", 0,
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PROP_READONLY, ZFS_TYPE_POOL, "<size>", "ALLOC");
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zprop_register_number(ZPOOL_PROP_CAPACITY, "capacity", 0, PROP_READONLY,
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ZFS_TYPE_POOL, "<size>", "CAP");
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zprop_register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY,
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ZFS_TYPE_POOL, "<guid>", "GUID");
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zprop_register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY,
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ZFS_TYPE_POOL, "<state>", "HEALTH");
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zprop_register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0,
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PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if deduped>",
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"DEDUP");
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/* readonly onetime number properties */
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zprop_register_number(ZPOOL_PROP_ASHIFT, "ashift", 0, PROP_ONETIME,
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ZFS_TYPE_POOL, "<ashift, 9-13, or 0=default>", "ASHIFT");
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/* default number properties */
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zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION,
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PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION");
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zprop_register_number(ZPOOL_PROP_DEDUPDITTO, "dedupditto", 0,
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PROP_DEFAULT, ZFS_TYPE_POOL, "<threshold (min 100)>", "DEDUPDITTO");
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/* default index (boolean) properties */
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zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1,
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PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION",
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boolean_table);
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zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0,
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PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table);
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zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0,
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PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS",
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boolean_table);
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zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0,
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PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table);
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zprop_register_index(ZPOOL_PROP_READONLY, "readonly", 0,
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PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "RDONLY", boolean_table);
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/* default index properties */
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zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode",
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ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL,
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"wait | continue | panic", "FAILMODE", failuremode_table);
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/* hidden properties */
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zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING,
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PROP_READONLY, ZFS_TYPE_POOL, "NAME");
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}
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/*
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* Given a property name and its type, returns the corresponding property ID.
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*/
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zpool_prop_t
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zpool_name_to_prop(const char *propname)
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{
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return (zprop_name_to_prop(propname, ZFS_TYPE_POOL));
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}
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/*
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* Given a pool property ID, returns the corresponding name.
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* Assuming the pool propety ID is valid.
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*/
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const char *
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zpool_prop_to_name(zpool_prop_t prop)
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{
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return (zpool_prop_table[prop].pd_name);
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}
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zprop_type_t
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zpool_prop_get_type(zpool_prop_t prop)
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{
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return (zpool_prop_table[prop].pd_proptype);
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}
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boolean_t
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zpool_prop_readonly(zpool_prop_t prop)
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{
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return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
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}
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const char *
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zpool_prop_default_string(zpool_prop_t prop)
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{
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return (zpool_prop_table[prop].pd_strdefault);
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}
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uint64_t
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zpool_prop_default_numeric(zpool_prop_t prop)
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{
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return (zpool_prop_table[prop].pd_numdefault);
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}
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int
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zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
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uint64_t *index)
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{
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return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
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}
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int
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zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
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const char **string)
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{
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return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
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}
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uint64_t
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zpool_prop_random_value(zpool_prop_t prop, uint64_t seed)
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{
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return (zprop_random_value(prop, seed, ZFS_TYPE_POOL));
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}
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#ifndef _KERNEL
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const char *
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zpool_prop_values(zpool_prop_t prop)
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{
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return (zpool_prop_table[prop].pd_values);
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}
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const char *
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zpool_prop_column_name(zpool_prop_t prop)
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{
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return (zpool_prop_table[prop].pd_colname);
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}
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boolean_t
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zpool_prop_align_right(zpool_prop_t prop)
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{
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return (zpool_prop_table[prop].pd_rightalign);
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}
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#endif
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#if defined(_KERNEL) && defined(HAVE_SPL)
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/* zpool property functions */
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EXPORT_SYMBOL(zpool_prop_init);
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EXPORT_SYMBOL(zpool_prop_get_type);
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EXPORT_SYMBOL(zpool_prop_get_table);
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/* Pool property functions shared between libzfs and kernel. */
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EXPORT_SYMBOL(zpool_name_to_prop);
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EXPORT_SYMBOL(zpool_prop_to_name);
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EXPORT_SYMBOL(zpool_prop_default_string);
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EXPORT_SYMBOL(zpool_prop_default_numeric);
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EXPORT_SYMBOL(zpool_prop_readonly);
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EXPORT_SYMBOL(zpool_prop_index_to_string);
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EXPORT_SYMBOL(zpool_prop_string_to_index);
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#endif
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