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authorjb <jb@FreeBSD.org>2008-03-28 00:08:47 +0000
committerjb <jb@FreeBSD.org>2008-03-28 00:08:47 +0000
commit291b24b7551a7f0ab80c6cc152155e317f53be0a (patch)
tree9edd0223cc16fd15bec321b8d36de00f35487d3b /contrib/opensolaris/lib/libzfs/common/libzfs_pool.c
parent5794ada908cc2e195ebcb0217b7164e3bd207e1b (diff)
downloadFreeBSD-src-291b24b7551a7f0ab80c6cc152155e317f53be0a.zip
FreeBSD-src-291b24b7551a7f0ab80c6cc152155e317f53be0a.tar.gz
Remove files that have been repo copied to their new location
in cddl-specific parts of the source tree.
Diffstat (limited to 'contrib/opensolaris/lib/libzfs/common/libzfs_pool.c')
-rw-r--r--contrib/opensolaris/lib/libzfs/common/libzfs_pool.c2055
1 files changed, 0 insertions, 2055 deletions
diff --git a/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c b/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c
deleted file mode 100644
index 8580837..0000000
--- a/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c
+++ /dev/null
@@ -1,2055 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-
-/*
- * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident "%Z%%M% %I% %E% SMI"
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <assert.h>
-#include <ctype.h>
-#include <errno.h>
-#include <devid.h>
-#include <dirent.h>
-#include <fcntl.h>
-#include <libintl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <strings.h>
-#include <unistd.h>
-#include <sys/zfs_ioctl.h>
-#include <sys/zio.h>
-#include <strings.h>
-#include <umem.h>
-
-#include "zfs_namecheck.h"
-#include "zfs_prop.h"
-#include "libzfs_impl.h"
-
-/*
- * Validate the given pool name, optionally putting an extended error message in
- * 'buf'.
- */
-static boolean_t
-zpool_name_valid(libzfs_handle_t *hdl, boolean_t isopen, const char *pool)
-{
- namecheck_err_t why;
- char what;
- int ret;
-
- ret = pool_namecheck(pool, &why, &what);
-
- /*
- * The rules for reserved pool names were extended at a later point.
- * But we need to support users with existing pools that may now be
- * invalid. So we only check for this expanded set of names during a
- * create (or import), and only in userland.
- */
- if (ret == 0 && !isopen &&
- (strncmp(pool, "mirror", 6) == 0 ||
- strncmp(pool, "raidz", 5) == 0 ||
- strncmp(pool, "spare", 5) == 0)) {
- zfs_error_aux(hdl,
- dgettext(TEXT_DOMAIN, "name is reserved"));
- return (B_FALSE);
- }
-
-
- if (ret != 0) {
- if (hdl != NULL) {
- switch (why) {
- case NAME_ERR_TOOLONG:
- zfs_error_aux(hdl,
- dgettext(TEXT_DOMAIN, "name is too long"));
- break;
-
- case NAME_ERR_INVALCHAR:
- zfs_error_aux(hdl,
- dgettext(TEXT_DOMAIN, "invalid character "
- "'%c' in pool name"), what);
- break;
-
- case NAME_ERR_NOLETTER:
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "name must begin with a letter"));
- break;
-
- case NAME_ERR_RESERVED:
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "name is reserved"));
- break;
-
- case NAME_ERR_DISKLIKE:
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "pool name is reserved"));
- break;
-
- case NAME_ERR_LEADING_SLASH:
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "leading slash in name"));
- break;
-
- case NAME_ERR_EMPTY_COMPONENT:
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "empty component in name"));
- break;
-
- case NAME_ERR_TRAILING_SLASH:
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "trailing slash in name"));
- break;
-
- case NAME_ERR_MULTIPLE_AT:
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "multiple '@' delimiters in name"));
- break;
-
- }
- }
- return (B_FALSE);
- }
-
- return (B_TRUE);
-}
-
-static int
-zpool_get_all_props(zpool_handle_t *zhp)
-{
- zfs_cmd_t zc = { 0 };
- libzfs_handle_t *hdl = zhp->zpool_hdl;
-
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
-
- if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0)
- return (-1);
-
- while (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_PROPS, &zc) != 0) {
- if (errno == ENOMEM) {
- if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) {
- zcmd_free_nvlists(&zc);
- return (-1);
- }
- } else {
- zcmd_free_nvlists(&zc);
- return (-1);
- }
- }
-
- if (zcmd_read_dst_nvlist(hdl, &zc, &zhp->zpool_props) != 0) {
- zcmd_free_nvlists(&zc);
- return (-1);
- }
-
- zcmd_free_nvlists(&zc);
-
- return (0);
-}
-
-/*
- * Open a handle to the given pool, even if the pool is currently in the FAULTED
- * state.
- */
-zpool_handle_t *
-zpool_open_canfail(libzfs_handle_t *hdl, const char *pool)
-{
- zpool_handle_t *zhp;
- boolean_t missing;
-
- /*
- * Make sure the pool name is valid.
- */
- if (!zpool_name_valid(hdl, B_TRUE, pool)) {
- (void) zfs_error_fmt(hdl, EZFS_INVALIDNAME,
- dgettext(TEXT_DOMAIN, "cannot open '%s'"),
- pool);
- return (NULL);
- }
-
- if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL)
- return (NULL);
-
- zhp->zpool_hdl = hdl;
- (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name));
-
- if (zpool_refresh_stats(zhp, &missing) != 0) {
- zpool_close(zhp);
- return (NULL);
- }
-
- if (missing) {
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "no such pool"));
- (void) zfs_error_fmt(hdl, EZFS_NOENT,
- dgettext(TEXT_DOMAIN, "cannot open '%s'"),
- pool);
- zpool_close(zhp);
- return (NULL);
- }
-
- return (zhp);
-}
-
-/*
- * Like the above, but silent on error. Used when iterating over pools (because
- * the configuration cache may be out of date).
- */
-int
-zpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret)
-{
- zpool_handle_t *zhp;
- boolean_t missing;
-
- if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL)
- return (-1);
-
- zhp->zpool_hdl = hdl;
- (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name));
-
- if (zpool_refresh_stats(zhp, &missing) != 0) {
- zpool_close(zhp);
- return (-1);
- }
-
- if (missing) {
- zpool_close(zhp);
- *ret = NULL;
- return (0);
- }
-
- *ret = zhp;
- return (0);
-}
-
-/*
- * Similar to zpool_open_canfail(), but refuses to open pools in the faulted
- * state.
- */
-zpool_handle_t *
-zpool_open(libzfs_handle_t *hdl, const char *pool)
-{
- zpool_handle_t *zhp;
-
- if ((zhp = zpool_open_canfail(hdl, pool)) == NULL)
- return (NULL);
-
- if (zhp->zpool_state == POOL_STATE_UNAVAIL) {
- (void) zfs_error_fmt(hdl, EZFS_POOLUNAVAIL,
- dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name);
- zpool_close(zhp);
- return (NULL);
- }
-
- return (zhp);
-}
-
-/*
- * Close the handle. Simply frees the memory associated with the handle.
- */
-void
-zpool_close(zpool_handle_t *zhp)
-{
- if (zhp->zpool_config)
- nvlist_free(zhp->zpool_config);
- if (zhp->zpool_old_config)
- nvlist_free(zhp->zpool_old_config);
- if (zhp->zpool_props)
- nvlist_free(zhp->zpool_props);
- free(zhp);
-}
-
-/*
- * Return the name of the pool.
- */
-const char *
-zpool_get_name(zpool_handle_t *zhp)
-{
- return (zhp->zpool_name);
-}
-
-/*
- * Return the GUID of the pool.
- */
-uint64_t
-zpool_get_guid(zpool_handle_t *zhp)
-{
- uint64_t guid;
-
- verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_POOL_GUID,
- &guid) == 0);
- return (guid);
-}
-
-/*
- * Return the version of the pool.
- */
-uint64_t
-zpool_get_version(zpool_handle_t *zhp)
-{
- uint64_t version;
-
- verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_VERSION,
- &version) == 0);
-
- return (version);
-}
-
-/*
- * Return the amount of space currently consumed by the pool.
- */
-uint64_t
-zpool_get_space_used(zpool_handle_t *zhp)
-{
- nvlist_t *nvroot;
- vdev_stat_t *vs;
- uint_t vsc;
-
- verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE,
- &nvroot) == 0);
- verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_STATS,
- (uint64_t **)&vs, &vsc) == 0);
-
- return (vs->vs_alloc);
-}
-
-/*
- * Return the total space in the pool.
- */
-uint64_t
-zpool_get_space_total(zpool_handle_t *zhp)
-{
- nvlist_t *nvroot;
- vdev_stat_t *vs;
- uint_t vsc;
-
- verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE,
- &nvroot) == 0);
- verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_STATS,
- (uint64_t **)&vs, &vsc) == 0);
-
- return (vs->vs_space);
-}
-
-/*
- * Return the alternate root for this pool, if any.
- */
-int
-zpool_get_root(zpool_handle_t *zhp, char *buf, size_t buflen)
-{
- zfs_cmd_t zc = { 0 };
-
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
- if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_OBJSET_STATS, &zc) != 0 ||
- zc.zc_value[0] == '\0')
- return (-1);
-
- (void) strlcpy(buf, zc.zc_value, buflen);
-
- return (0);
-}
-
-/*
- * Return the state of the pool (ACTIVE or UNAVAILABLE)
- */
-int
-zpool_get_state(zpool_handle_t *zhp)
-{
- return (zhp->zpool_state);
-}
-
-/*
- * Create the named pool, using the provided vdev list. It is assumed
- * that the consumer has already validated the contents of the nvlist, so we
- * don't have to worry about error semantics.
- */
-int
-zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot,
- const char *altroot)
-{
- zfs_cmd_t zc = { 0 };
- char msg[1024];
-
- (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
- "cannot create '%s'"), pool);
-
- if (!zpool_name_valid(hdl, B_FALSE, pool))
- return (zfs_error(hdl, EZFS_INVALIDNAME, msg));
-
- if (altroot != NULL && altroot[0] != '/')
- return (zfs_error_fmt(hdl, EZFS_BADPATH,
- dgettext(TEXT_DOMAIN, "bad alternate root '%s'"), altroot));
-
- if (zcmd_write_src_nvlist(hdl, &zc, nvroot, NULL) != 0)
- return (-1);
-
- (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name));
-
- if (altroot != NULL)
- (void) strlcpy(zc.zc_value, altroot, sizeof (zc.zc_value));
-
- if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_CREATE, &zc) != 0) {
- zcmd_free_nvlists(&zc);
-
- switch (errno) {
- case EBUSY:
- /*
- * This can happen if the user has specified the same
- * device multiple times. We can't reliably detect this
- * until we try to add it and see we already have a
- * label.
- */
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "one or more vdevs refer to the same device"));
- return (zfs_error(hdl, EZFS_BADDEV, msg));
-
- case EOVERFLOW:
- /*
- * This occurs when one of the devices is below
- * SPA_MINDEVSIZE. Unfortunately, we can't detect which
- * device was the problem device since there's no
- * reliable way to determine device size from userland.
- */
- {
- char buf[64];
-
- zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf));
-
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "one or more devices is less than the "
- "minimum size (%s)"), buf);
- }
- return (zfs_error(hdl, EZFS_BADDEV, msg));
-
- case ENOSPC:
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "one or more devices is out of space"));
- return (zfs_error(hdl, EZFS_BADDEV, msg));
-
- default:
- return (zpool_standard_error(hdl, errno, msg));
- }
- }
-
- zcmd_free_nvlists(&zc);
-
- /*
- * If this is an alternate root pool, then we automatically set the
- * mountpoint of the root dataset to be '/'.
- */
- if (altroot != NULL) {
- zfs_handle_t *zhp;
-
- verify((zhp = zfs_open(hdl, pool, ZFS_TYPE_ANY)) != NULL);
- verify(zfs_prop_set(zhp, zfs_prop_to_name(ZFS_PROP_MOUNTPOINT),
- "/") == 0);
-
- zfs_close(zhp);
- }
-
- return (0);
-}
-
-/*
- * Destroy the given pool. It is up to the caller to ensure that there are no
- * datasets left in the pool.
- */
-int
-zpool_destroy(zpool_handle_t *zhp)
-{
- zfs_cmd_t zc = { 0 };
- zfs_handle_t *zfp = NULL;
- libzfs_handle_t *hdl = zhp->zpool_hdl;
- char msg[1024];
-
- if (zhp->zpool_state == POOL_STATE_ACTIVE &&
- (zfp = zfs_open(zhp->zpool_hdl, zhp->zpool_name,
- ZFS_TYPE_FILESYSTEM)) == NULL)
- return (-1);
-
- if (zpool_remove_zvol_links(zhp) != 0)
- return (-1);
-
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
-
- if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_POOL_DESTROY, &zc) != 0) {
- (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
- "cannot destroy '%s'"), zhp->zpool_name);
-
- if (errno == EROFS) {
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "one or more devices is read only"));
- (void) zfs_error(hdl, EZFS_BADDEV, msg);
- } else {
- (void) zpool_standard_error(hdl, errno, msg);
- }
-
- if (zfp)
- zfs_close(zfp);
- return (-1);
- }
-
- if (zfp) {
- remove_mountpoint(zfp);
- zfs_close(zfp);
- }
-
- return (0);
-}
-
-/*
- * Add the given vdevs to the pool. The caller must have already performed the
- * necessary verification to ensure that the vdev specification is well-formed.
- */
-int
-zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot)
-{
- zfs_cmd_t zc = { 0 };
- int ret;
- libzfs_handle_t *hdl = zhp->zpool_hdl;
- char msg[1024];
- nvlist_t **spares;
- uint_t nspares;
-
- (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
- "cannot add to '%s'"), zhp->zpool_name);
-
- if (zpool_get_version(zhp) < ZFS_VERSION_SPARES &&
- nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
- &spares, &nspares) == 0) {
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be "
- "upgraded to add hot spares"));
- return (zfs_error(hdl, EZFS_BADVERSION, msg));
- }
-
- if (zcmd_write_src_nvlist(hdl, &zc, nvroot, NULL) != 0)
- return (-1);
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
-
- if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_ADD, &zc) != 0) {
- switch (errno) {
- case EBUSY:
- /*
- * This can happen if the user has specified the same
- * device multiple times. We can't reliably detect this
- * until we try to add it and see we already have a
- * label.
- */
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "one or more vdevs refer to the same device"));
- (void) zfs_error(hdl, EZFS_BADDEV, msg);
- break;
-
- case EOVERFLOW:
- /*
- * This occurrs when one of the devices is below
- * SPA_MINDEVSIZE. Unfortunately, we can't detect which
- * device was the problem device since there's no
- * reliable way to determine device size from userland.
- */
- {
- char buf[64];
-
- zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf));
-
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "device is less than the minimum "
- "size (%s)"), buf);
- }
- (void) zfs_error(hdl, EZFS_BADDEV, msg);
- break;
-
- case ENOTSUP:
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "pool must be upgraded to add raidz2 vdevs"));
- (void) zfs_error(hdl, EZFS_BADVERSION, msg);
- break;
-
- case EDOM:
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "root pool can not have concatenated devices"));
- (void) zfs_error(hdl, EZFS_POOL_NOTSUP, msg);
- break;
-
- default:
- (void) zpool_standard_error(hdl, errno, msg);
- }
-
- ret = -1;
- } else {
- ret = 0;
- }
-
- zcmd_free_nvlists(&zc);
-
- return (ret);
-}
-
-/*
- * Exports the pool from the system. The caller must ensure that there are no
- * mounted datasets in the pool.
- */
-int
-zpool_export(zpool_handle_t *zhp)
-{
- zfs_cmd_t zc = { 0 };
-
- if (zpool_remove_zvol_links(zhp) != 0)
- return (-1);
-
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
-
- if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_POOL_EXPORT, &zc) != 0)
- return (zpool_standard_error_fmt(zhp->zpool_hdl, errno,
- dgettext(TEXT_DOMAIN, "cannot export '%s'"),
- zhp->zpool_name));
- return (0);
-}
-
-/*
- * Import the given pool using the known configuration. The configuration
- * should have come from zpool_find_import(). The 'newname' and 'altroot'
- * parameters control whether the pool is imported with a different name or with
- * an alternate root, respectively.
- */
-int
-zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname,
- const char *altroot)
-{
- zfs_cmd_t zc = { 0 };
- char *thename;
- char *origname;
- int ret;
-
- verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
- &origname) == 0);
-
- if (newname != NULL) {
- if (!zpool_name_valid(hdl, B_FALSE, newname))
- return (zfs_error_fmt(hdl, EZFS_INVALIDNAME,
- dgettext(TEXT_DOMAIN, "cannot import '%s'"),
- newname));
- thename = (char *)newname;
- } else {
- thename = origname;
- }
-
- if (altroot != NULL && altroot[0] != '/')
- return (zfs_error_fmt(hdl, EZFS_BADPATH,
- dgettext(TEXT_DOMAIN, "bad alternate root '%s'"),
- altroot));
-
- (void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name));
-
- if (altroot != NULL)
- (void) strlcpy(zc.zc_value, altroot, sizeof (zc.zc_value));
- else
- zc.zc_value[0] = '\0';
-
- verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
- &zc.zc_guid) == 0);
-
- if (zcmd_write_src_nvlist(hdl, &zc, config, NULL) != 0)
- return (-1);
-
- ret = 0;
- if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_IMPORT, &zc) != 0) {
- char desc[1024];
- if (newname == NULL)
- (void) snprintf(desc, sizeof (desc),
- dgettext(TEXT_DOMAIN, "cannot import '%s'"),
- thename);
- else
- (void) snprintf(desc, sizeof (desc),
- dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"),
- origname, thename);
-
- switch (errno) {
- case ENOTSUP:
- /*
- * Unsupported version.
- */
- (void) zfs_error(hdl, EZFS_BADVERSION, desc);
- break;
-
- case EINVAL:
- (void) zfs_error(hdl, EZFS_INVALCONFIG, desc);
- break;
-
- default:
- (void) zpool_standard_error(hdl, errno, desc);
- }
-
- ret = -1;
- } else {
- zpool_handle_t *zhp;
- /*
- * This should never fail, but play it safe anyway.
- */
- if (zpool_open_silent(hdl, thename, &zhp) != 0) {
- ret = -1;
- } else if (zhp != NULL) {
- ret = zpool_create_zvol_links(zhp);
- zpool_close(zhp);
- }
- }
-
- zcmd_free_nvlists(&zc);
- return (ret);
-}
-
-/*
- * Scrub the pool.
- */
-int
-zpool_scrub(zpool_handle_t *zhp, pool_scrub_type_t type)
-{
- zfs_cmd_t zc = { 0 };
- char msg[1024];
- libzfs_handle_t *hdl = zhp->zpool_hdl;
-
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
- zc.zc_cookie = type;
-
- if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_POOL_SCRUB, &zc) == 0)
- return (0);
-
- (void) snprintf(msg, sizeof (msg),
- dgettext(TEXT_DOMAIN, "cannot scrub %s"), zc.zc_name);
-
- if (errno == EBUSY)
- return (zfs_error(hdl, EZFS_RESILVERING, msg));
- else
- return (zpool_standard_error(hdl, errno, msg));
-}
-
-/*
- * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL
- * spare; but FALSE if its an INUSE spare.
- */
-static nvlist_t *
-vdev_to_nvlist_iter(nvlist_t *nv, const char *search, uint64_t guid,
- boolean_t *avail_spare)
-{
- uint_t c, children;
- nvlist_t **child;
- uint64_t theguid, present;
- char *path;
- uint64_t wholedisk = 0;
- nvlist_t *ret;
-
- verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &theguid) == 0);
-
- if (search == NULL &&
- nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, &present) == 0) {
- /*
- * If the device has never been present since import, the only
- * reliable way to match the vdev is by GUID.
- */
- if (theguid == guid)
- return (nv);
- } else if (search != NULL &&
- nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) {
- (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK,
- &wholedisk);
- if (wholedisk) {
- /*
- * For whole disks, the internal path has 's0', but the
- * path passed in by the user doesn't.
- */
- if (strlen(search) == strlen(path) - 2 &&
- strncmp(search, path, strlen(search)) == 0)
- return (nv);
- } else if (strcmp(search, path) == 0) {
- return (nv);
- }
- }
-
- if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
- &child, &children) != 0)
- return (NULL);
-
- for (c = 0; c < children; c++)
- if ((ret = vdev_to_nvlist_iter(child[c], search, guid,
- avail_spare)) != NULL)
- return (ret);
-
- if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
- &child, &children) == 0) {
- for (c = 0; c < children; c++) {
- if ((ret = vdev_to_nvlist_iter(child[c], search, guid,
- avail_spare)) != NULL) {
- *avail_spare = B_TRUE;
- return (ret);
- }
- }
- }
-
- return (NULL);
-}
-
-nvlist_t *
-zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare)
-{
- char buf[MAXPATHLEN];
- const char *search;
- char *end;
- nvlist_t *nvroot;
- uint64_t guid;
-
- guid = strtoull(path, &end, 10);
- if (guid != 0 && *end == '\0') {
- search = NULL;
- } else if (path[0] != '/') {
- (void) snprintf(buf, sizeof (buf), "%s%s", _PATH_DEV, path);
- search = buf;
- } else {
- search = path;
- }
-
- verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE,
- &nvroot) == 0);
-
- *avail_spare = B_FALSE;
- return (vdev_to_nvlist_iter(nvroot, search, guid, avail_spare));
-}
-
-/*
- * Returns TRUE if the given guid corresponds to a spare (INUSE or not).
- */
-static boolean_t
-is_spare(zpool_handle_t *zhp, uint64_t guid)
-{
- uint64_t spare_guid;
- nvlist_t *nvroot;
- nvlist_t **spares;
- uint_t nspares;
- int i;
-
- verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE,
- &nvroot) == 0);
- if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
- &spares, &nspares) == 0) {
- for (i = 0; i < nspares; i++) {
- verify(nvlist_lookup_uint64(spares[i],
- ZPOOL_CONFIG_GUID, &spare_guid) == 0);
- if (guid == spare_guid)
- return (B_TRUE);
- }
- }
-
- return (B_FALSE);
-}
-
-/*
- * Bring the specified vdev online
- */
-int
-zpool_vdev_online(zpool_handle_t *zhp, const char *path)
-{
- zfs_cmd_t zc = { 0 };
- char msg[1024];
- nvlist_t *tgt;
- boolean_t avail_spare;
- libzfs_handle_t *hdl = zhp->zpool_hdl;
-
- (void) snprintf(msg, sizeof (msg),
- dgettext(TEXT_DOMAIN, "cannot online %s"), path);
-
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
- if ((tgt = zpool_find_vdev(zhp, path, &avail_spare)) == NULL)
- return (zfs_error(hdl, EZFS_NODEVICE, msg));
-
- verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0);
-
- if (avail_spare || is_spare(zhp, zc.zc_guid) == B_TRUE)
- return (zfs_error(hdl, EZFS_ISSPARE, msg));
-
- if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_ONLINE, &zc) == 0)
- return (0);
-
- return (zpool_standard_error(hdl, errno, msg));
-}
-
-/*
- * Take the specified vdev offline
- */
-int
-zpool_vdev_offline(zpool_handle_t *zhp, const char *path, int istmp)
-{
- zfs_cmd_t zc = { 0 };
- char msg[1024];
- nvlist_t *tgt;
- boolean_t avail_spare;
- libzfs_handle_t *hdl = zhp->zpool_hdl;
-
- (void) snprintf(msg, sizeof (msg),
- dgettext(TEXT_DOMAIN, "cannot offline %s"), path);
-
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
- if ((tgt = zpool_find_vdev(zhp, path, &avail_spare)) == NULL)
- return (zfs_error(hdl, EZFS_NODEVICE, msg));
-
- verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0);
-
- if (avail_spare || is_spare(zhp, zc.zc_guid) == B_TRUE)
- return (zfs_error(hdl, EZFS_ISSPARE, msg));
-
- zc.zc_cookie = istmp;
-
- if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_OFFLINE, &zc) == 0)
- return (0);
-
- switch (errno) {
- case EBUSY:
-
- /*
- * There are no other replicas of this device.
- */
- return (zfs_error(hdl, EZFS_NOREPLICAS, msg));
-
- default:
- return (zpool_standard_error(hdl, errno, msg));
- }
-}
-
-/*
- * Returns TRUE if the given nvlist is a vdev that was originally swapped in as
- * a hot spare.
- */
-static boolean_t
-is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which)
-{
- nvlist_t **child;
- uint_t c, children;
- char *type;
-
- if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child,
- &children) == 0) {
- verify(nvlist_lookup_string(search, ZPOOL_CONFIG_TYPE,
- &type) == 0);
-
- if (strcmp(type, VDEV_TYPE_SPARE) == 0 &&
- children == 2 && child[which] == tgt)
- return (B_TRUE);
-
- for (c = 0; c < children; c++)
- if (is_replacing_spare(child[c], tgt, which))
- return (B_TRUE);
- }
-
- return (B_FALSE);
-}
-
-/*
- * Attach new_disk (fully described by nvroot) to old_disk.
- * If 'replacing' is specified, tne new disk will replace the old one.
- */
-int
-zpool_vdev_attach(zpool_handle_t *zhp,
- const char *old_disk, const char *new_disk, nvlist_t *nvroot, int replacing)
-{
- zfs_cmd_t zc = { 0 };
- char msg[1024];
- int ret;
- nvlist_t *tgt;
- boolean_t avail_spare;
- uint64_t val;
- char *path;
- nvlist_t **child;
- uint_t children;
- nvlist_t *config_root;
- libzfs_handle_t *hdl = zhp->zpool_hdl;
-
- if (replacing)
- (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
- "cannot replace %s with %s"), old_disk, new_disk);
- else
- (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
- "cannot attach %s to %s"), new_disk, old_disk);
-
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
- if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare)) == 0)
- return (zfs_error(hdl, EZFS_NODEVICE, msg));
-
- if (avail_spare)
- return (zfs_error(hdl, EZFS_ISSPARE, msg));
-
- verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0);
- zc.zc_cookie = replacing;
-
- if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
- &child, &children) != 0 || children != 1) {
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "new device must be a single disk"));
- return (zfs_error(hdl, EZFS_INVALCONFIG, msg));
- }
-
- verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL),
- ZPOOL_CONFIG_VDEV_TREE, &config_root) == 0);
-
- /*
- * If the target is a hot spare that has been swapped in, we can only
- * replace it with another hot spare.
- */
- if (replacing &&
- nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_SPARE, &val) == 0 &&
- nvlist_lookup_string(child[0], ZPOOL_CONFIG_PATH, &path) == 0 &&
- (zpool_find_vdev(zhp, path, &avail_spare) == NULL ||
- !avail_spare) && is_replacing_spare(config_root, tgt, 1)) {
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "can only be replaced by another hot spare"));
- return (zfs_error(hdl, EZFS_BADTARGET, msg));
- }
-
- /*
- * If we are attempting to replace a spare, it canot be applied to an
- * already spared device.
- */
- if (replacing &&
- nvlist_lookup_string(child[0], ZPOOL_CONFIG_PATH, &path) == 0 &&
- zpool_find_vdev(zhp, path, &avail_spare) != NULL && avail_spare &&
- is_replacing_spare(config_root, tgt, 0)) {
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "device has already been replaced with a spare"));
- return (zfs_error(hdl, EZFS_BADTARGET, msg));
- }
-
- if (zcmd_write_src_nvlist(hdl, &zc, nvroot, NULL) != 0)
- return (-1);
-
- ret = ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_ATTACH, &zc);
-
- zcmd_free_nvlists(&zc);
-
- if (ret == 0)
- return (0);
-
- switch (errno) {
- case ENOTSUP:
- /*
- * Can't attach to or replace this type of vdev.
- */
- if (replacing)
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "cannot replace a replacing device"));
- else
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "can only attach to mirrors and top-level "
- "disks"));
- (void) zfs_error(hdl, EZFS_BADTARGET, msg);
- break;
-
- case EINVAL:
- /*
- * The new device must be a single disk.
- */
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "new device must be a single disk"));
- (void) zfs_error(hdl, EZFS_INVALCONFIG, msg);
- break;
-
- case EBUSY:
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "%s is busy"),
- new_disk);
- (void) zfs_error(hdl, EZFS_BADDEV, msg);
- break;
-
- case EOVERFLOW:
- /*
- * The new device is too small.
- */
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "device is too small"));
- (void) zfs_error(hdl, EZFS_BADDEV, msg);
- break;
-
- case EDOM:
- /*
- * The new device has a different alignment requirement.
- */
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "devices have different sector alignment"));
- (void) zfs_error(hdl, EZFS_BADDEV, msg);
- break;
-
- case ENAMETOOLONG:
- /*
- * The resulting top-level vdev spec won't fit in the label.
- */
- (void) zfs_error(hdl, EZFS_DEVOVERFLOW, msg);
- break;
-
- default:
- (void) zpool_standard_error(hdl, errno, msg);
- }
-
- return (-1);
-}
-
-/*
- * Detach the specified device.
- */
-int
-zpool_vdev_detach(zpool_handle_t *zhp, const char *path)
-{
- zfs_cmd_t zc = { 0 };
- char msg[1024];
- nvlist_t *tgt;
- boolean_t avail_spare;
- libzfs_handle_t *hdl = zhp->zpool_hdl;
-
- (void) snprintf(msg, sizeof (msg),
- dgettext(TEXT_DOMAIN, "cannot detach %s"), path);
-
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
- if ((tgt = zpool_find_vdev(zhp, path, &avail_spare)) == 0)
- return (zfs_error(hdl, EZFS_NODEVICE, msg));
-
- if (avail_spare)
- return (zfs_error(hdl, EZFS_ISSPARE, msg));
-
- verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0);
-
- if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_DETACH, &zc) == 0)
- return (0);
-
- switch (errno) {
-
- case ENOTSUP:
- /*
- * Can't detach from this type of vdev.
- */
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only "
- "applicable to mirror and replacing vdevs"));
- (void) zfs_error(zhp->zpool_hdl, EZFS_BADTARGET, msg);
- break;
-
- case EBUSY:
- /*
- * There are no other replicas of this device.
- */
- (void) zfs_error(hdl, EZFS_NOREPLICAS, msg);
- break;
-
- default:
- (void) zpool_standard_error(hdl, errno, msg);
- }
-
- return (-1);
-}
-
-/*
- * Remove the given device. Currently, this is supported only for hot spares.
- */
-int
-zpool_vdev_remove(zpool_handle_t *zhp, const char *path)
-{
- zfs_cmd_t zc = { 0 };
- char msg[1024];
- nvlist_t *tgt;
- boolean_t avail_spare;
- libzfs_handle_t *hdl = zhp->zpool_hdl;
-
- (void) snprintf(msg, sizeof (msg),
- dgettext(TEXT_DOMAIN, "cannot remove %s"), path);
-
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
- if ((tgt = zpool_find_vdev(zhp, path, &avail_spare)) == 0)
- return (zfs_error(hdl, EZFS_NODEVICE, msg));
-
- if (!avail_spare) {
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "only inactive hot spares can be removed"));
- return (zfs_error(hdl, EZFS_NODEVICE, msg));
- }
-
- verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0);
-
- if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_REMOVE, &zc) == 0)
- return (0);
-
- return (zpool_standard_error(hdl, errno, msg));
-}
-
-/*
- * Clear the errors for the pool, or the particular device if specified.
- */
-int
-zpool_clear(zpool_handle_t *zhp, const char *path)
-{
- zfs_cmd_t zc = { 0 };
- char msg[1024];
- nvlist_t *tgt;
- boolean_t avail_spare;
- libzfs_handle_t *hdl = zhp->zpool_hdl;
-
- if (path)
- (void) snprintf(msg, sizeof (msg),
- dgettext(TEXT_DOMAIN, "cannot clear errors for %s"),
- path);
- else
- (void) snprintf(msg, sizeof (msg),
- dgettext(TEXT_DOMAIN, "cannot clear errors for %s"),
- zhp->zpool_name);
-
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
- if (path) {
- if ((tgt = zpool_find_vdev(zhp, path, &avail_spare)) == 0)
- return (zfs_error(hdl, EZFS_NODEVICE, msg));
-
- if (avail_spare)
- return (zfs_error(hdl, EZFS_ISSPARE, msg));
-
- verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID,
- &zc.zc_guid) == 0);
- }
-
- if (ioctl(hdl->libzfs_fd, ZFS_IOC_CLEAR, &zc) == 0)
- return (0);
-
- return (zpool_standard_error(hdl, errno, msg));
-}
-
-/*
- * Iterate over all zvols in a given pool by walking the /dev/zvol/dsk/<pool>
- * hierarchy.
- */
-int
-zpool_iter_zvol(zpool_handle_t *zhp, int (*cb)(const char *, void *),
- void *data)
-{
- libzfs_handle_t *hdl = zhp->zpool_hdl;
- char (*paths)[MAXPATHLEN];
- char path[MAXPATHLEN];
- size_t size = 4;
- int curr, fd, base, ret = 0;
- DIR *dirp;
- struct dirent *dp;
- struct stat st;
-
- if ((base = open(ZVOL_FULL_DEV_DIR, O_RDONLY)) < 0)
- return (errno == ENOENT ? 0 : -1);
-
- snprintf(path, sizeof(path), "%s/%s", ZVOL_FULL_DEV_DIR,
- zhp->zpool_name);
- if (stat(path, &st) != 0) {
- int err = errno;
- (void) close(base);
- return (err == ENOENT ? 0 : -1);
- }
-
- /*
- * Oddly this wasn't a directory -- ignore that failure since we
- * know there are no links lower in the (non-existant) hierarchy.
- */
- if (!S_ISDIR(st.st_mode)) {
- (void) close(base);
- return (0);
- }
-
- if ((paths = zfs_alloc(hdl, size * sizeof (paths[0]))) == NULL) {
- (void) close(base);
- return (-1);
- }
-
- (void) strlcpy(paths[0], zhp->zpool_name, sizeof (paths[0]));
- curr = 0;
-
- while (curr >= 0) {
- snprintf(path, sizeof(path), "%s/%s", ZVOL_FULL_DEV_DIR,
- paths[curr]);
- if (lstat(path, &st) != 0)
- goto err;
-
- if (S_ISDIR(st.st_mode)) {
- if ((dirp = opendir(path)) == NULL) {
- goto err;
- }
-
- while ((dp = readdir(dirp)) != NULL) {
- if (dp->d_name[0] == '.')
- continue;
-
- if (curr + 1 == size) {
- paths = zfs_realloc(hdl, paths,
- size * sizeof (paths[0]),
- size * 2 * sizeof (paths[0]));
- if (paths == NULL) {
- (void) closedir(dirp);
- goto err;
- }
-
- size *= 2;
- }
-
- (void) strlcpy(paths[curr + 1], paths[curr],
- sizeof (paths[curr + 1]));
- (void) strlcat(paths[curr], "/",
- sizeof (paths[curr]));
- (void) strlcat(paths[curr], dp->d_name,
- sizeof (paths[curr]));
- curr++;
- }
-
- (void) closedir(dirp);
-
- } else {
- if ((ret = cb(paths[curr], data)) != 0)
- break;
- }
-
- curr--;
- }
-
- free(paths);
- (void) close(base);
-
- return (ret);
-
-err:
- free(paths);
- (void) close(base);
- return (-1);
-}
-
-typedef struct zvol_cb {
- zpool_handle_t *zcb_pool;
- boolean_t zcb_create;
-} zvol_cb_t;
-
-/*ARGSUSED*/
-static int
-do_zvol_create(zfs_handle_t *zhp, void *data)
-{
- int ret;
-
- if (ZFS_IS_VOLUME(zhp))
- (void) zvol_create_link(zhp->zfs_hdl, zhp->zfs_name);
-
- ret = zfs_iter_children(zhp, do_zvol_create, NULL);
-
- zfs_close(zhp);
-
- return (ret);
-}
-
-/*
- * Iterate over all zvols in the pool and make any necessary minor nodes.
- */
-int
-zpool_create_zvol_links(zpool_handle_t *zhp)
-{
- zfs_handle_t *zfp;
- int ret;
-
- /*
- * If the pool is unavailable, just return success.
- */
- if ((zfp = make_dataset_handle(zhp->zpool_hdl,
- zhp->zpool_name)) == NULL)
- return (0);
-
- ret = zfs_iter_children(zfp, do_zvol_create, NULL);
-
- zfs_close(zfp);
- return (ret);
-}
-
-static int
-do_zvol_remove(const char *dataset, void *data)
-{
- zpool_handle_t *zhp = data;
-
- return (zvol_remove_link(zhp->zpool_hdl, dataset));
-}
-
-/*
- * Iterate over all zvols in the pool and remove any minor nodes. We iterate
- * by examining the /dev links so that a corrupted pool doesn't impede this
- * operation.
- */
-int
-zpool_remove_zvol_links(zpool_handle_t *zhp)
-{
- return (zpool_iter_zvol(zhp, do_zvol_remove, zhp));
-}
-
-/*
- * Convert from a devid string to a path.
- */
-static char *
-devid_to_path(char *devid_str)
-{
- ddi_devid_t devid;
- char *minor;
- char *path;
- devid_nmlist_t *list = NULL;
- int ret;
-
- if (devid_str_decode(devid_str, &devid, &minor) != 0)
- return (NULL);
-
- ret = devid_deviceid_to_nmlist("/dev", devid, minor, &list);
-
- devid_str_free(minor);
- devid_free(devid);
-
- if (ret != 0)
- return (NULL);
-
- if ((path = strdup(list[0].devname)) == NULL)
- return (NULL);
-
- devid_free_nmlist(list);
-
- return (path);
-}
-
-/*
- * Convert from a path to a devid string.
- */
-static char *
-path_to_devid(const char *path)
-{
- int fd;
- ddi_devid_t devid;
- char *minor, *ret;
-
- if ((fd = open(path, O_RDONLY)) < 0)
- return (NULL);
-
- minor = NULL;
- ret = NULL;
- if (devid_get(fd, &devid) == 0) {
- if (devid_get_minor_name(fd, &minor) == 0)
- ret = devid_str_encode(devid, minor);
- if (minor != NULL)
- devid_str_free(minor);
- devid_free(devid);
- }
- (void) close(fd);
-
- return (ret);
-}
-
-/*
- * Issue the necessary ioctl() to update the stored path value for the vdev. We
- * ignore any failure here, since a common case is for an unprivileged user to
- * type 'zpool status', and we'll display the correct information anyway.
- */
-static void
-set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path)
-{
- zfs_cmd_t zc = { 0 };
-
- (void) strncpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
- (void) strncpy(zc.zc_value, path, sizeof (zc.zc_value));
- verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID,
- &zc.zc_guid) == 0);
-
- (void) ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SETPATH, &zc);
-}
-
-/*
- * Given a vdev, return the name to display in iostat. If the vdev has a path,
- * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type.
- * We also check if this is a whole disk, in which case we strip off the
- * trailing 's0' slice name.
- *
- * This routine is also responsible for identifying when disks have been
- * reconfigured in a new location. The kernel will have opened the device by
- * devid, but the path will still refer to the old location. To catch this, we
- * first do a path -> devid translation (which is fast for the common case). If
- * the devid matches, we're done. If not, we do a reverse devid -> path
- * translation and issue the appropriate ioctl() to update the path of the vdev.
- * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any
- * of these checks.
- */
-char *
-zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv)
-{
- char *path, *devid;
- uint64_t value;
- char buf[64];
-
- if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT,
- &value) == 0) {
- verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID,
- &value) == 0);
- (void) snprintf(buf, sizeof (buf), "%llu",
- (u_longlong_t)value);
- path = buf;
- } else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) {
-
- if (zhp != NULL &&
- nvlist_lookup_string(nv, ZPOOL_CONFIG_DEVID, &devid) == 0) {
- /*
- * Determine if the current path is correct.
- */
- char *newdevid = path_to_devid(path);
-
- if (newdevid == NULL ||
- strcmp(devid, newdevid) != 0) {
- char *newpath;
-
- if ((newpath = devid_to_path(devid)) != NULL) {
- /*
- * Update the path appropriately.
- */
- set_path(zhp, nv, newpath);
- if (nvlist_add_string(nv,
- ZPOOL_CONFIG_PATH, newpath) == 0)
- verify(nvlist_lookup_string(nv,
- ZPOOL_CONFIG_PATH,
- &path) == 0);
- free(newpath);
- }
- }
-
- if (newdevid)
- devid_str_free(newdevid);
- }
-
- if (strncmp(path, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0)
- path += sizeof(_PATH_DEV) - 1;
-
- if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK,
- &value) == 0 && value) {
- char *tmp = zfs_strdup(hdl, path);
- if (tmp == NULL)
- return (NULL);
- tmp[strlen(path) - 2] = '\0';
- return (tmp);
- }
- } else {
- verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &path) == 0);
-
- /*
- * If it's a raidz device, we need to stick in the parity level.
- */
- if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) {
- verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY,
- &value) == 0);
- (void) snprintf(buf, sizeof (buf), "%s%llu", path,
- (u_longlong_t)value);
- path = buf;
- }
- }
-
- return (zfs_strdup(hdl, path));
-}
-
-static int
-zbookmark_compare(const void *a, const void *b)
-{
- return (memcmp(a, b, sizeof (zbookmark_t)));
-}
-
-/*
- * Retrieve the persistent error log, uniquify the members, and return to the
- * caller.
- */
-int
-zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp)
-{
- zfs_cmd_t zc = { 0 };
- uint64_t count;
- zbookmark_t *zb = NULL;
- int i;
-
- /*
- * Retrieve the raw error list from the kernel. If the number of errors
- * has increased, allocate more space and continue until we get the
- * entire list.
- */
- verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_ERRCOUNT,
- &count) == 0);
- if ((zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl,
- count * sizeof (zbookmark_t))) == (uintptr_t)NULL)
- return (-1);
- zc.zc_nvlist_dst_size = count;
- (void) strcpy(zc.zc_name, zhp->zpool_name);
- for (;;) {
- if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_ERROR_LOG,
- &zc) != 0) {
- free((void *)(uintptr_t)zc.zc_nvlist_dst);
- if (errno == ENOMEM) {
- count = zc.zc_nvlist_dst_size;
- if ((zc.zc_nvlist_dst = (uintptr_t)
- zfs_alloc(zhp->zpool_hdl, count *
- sizeof (zbookmark_t))) == (uintptr_t)NULL)
- return (-1);
- } else {
- return (-1);
- }
- } else {
- break;
- }
- }
-
- /*
- * Sort the resulting bookmarks. This is a little confusing due to the
- * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last
- * to first, and 'zc_nvlist_dst_size' indicates the number of boomarks
- * _not_ copied as part of the process. So we point the start of our
- * array appropriate and decrement the total number of elements.
- */
- zb = ((zbookmark_t *)(uintptr_t)zc.zc_nvlist_dst) +
- zc.zc_nvlist_dst_size;
- count -= zc.zc_nvlist_dst_size;
-
- qsort(zb, count, sizeof (zbookmark_t), zbookmark_compare);
-
- verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0);
-
- /*
- * Fill in the nverrlistp with nvlist's of dataset and object numbers.
- */
- for (i = 0; i < count; i++) {
- nvlist_t *nv;
-
- /* ignoring zb_blkid and zb_level for now */
- if (i > 0 && zb[i-1].zb_objset == zb[i].zb_objset &&
- zb[i-1].zb_object == zb[i].zb_object)
- continue;
-
- if (nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) != 0)
- goto nomem;
- if (nvlist_add_uint64(nv, ZPOOL_ERR_DATASET,
- zb[i].zb_objset) != 0) {
- nvlist_free(nv);
- goto nomem;
- }
- if (nvlist_add_uint64(nv, ZPOOL_ERR_OBJECT,
- zb[i].zb_object) != 0) {
- nvlist_free(nv);
- goto nomem;
- }
- if (nvlist_add_nvlist(*nverrlistp, "ejk", nv) != 0) {
- nvlist_free(nv);
- goto nomem;
- }
- nvlist_free(nv);
- }
-
- free((void *)(uintptr_t)zc.zc_nvlist_dst);
- return (0);
-
-nomem:
- free((void *)(uintptr_t)zc.zc_nvlist_dst);
- return (no_memory(zhp->zpool_hdl));
-}
-
-/*
- * Upgrade a ZFS pool to the latest on-disk version.
- */
-int
-zpool_upgrade(zpool_handle_t *zhp)
-{
- zfs_cmd_t zc = { 0 };
- libzfs_handle_t *hdl = zhp->zpool_hdl;
-
- (void) strcpy(zc.zc_name, zhp->zpool_name);
- if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_UPGRADE, &zc) != 0)
- return (zpool_standard_error_fmt(hdl, errno,
- dgettext(TEXT_DOMAIN, "cannot upgrade '%s'"),
- zhp->zpool_name));
-
- return (0);
-}
-
-/*
- * Log command history.
- *
- * 'pool' is B_TRUE if we are logging a command for 'zpool'; B_FALSE
- * otherwise ('zfs'). 'pool_create' is B_TRUE if we are logging the creation
- * of the pool; B_FALSE otherwise. 'path' is the pathanme containing the
- * poolname. 'argc' and 'argv' are used to construct the command string.
- */
-void
-zpool_log_history(libzfs_handle_t *hdl, int argc, char **argv, const char *path,
- boolean_t pool, boolean_t pool_create)
-{
- char cmd_buf[HIS_MAX_RECORD_LEN];
- char *dspath;
- zfs_cmd_t zc = { 0 };
- int i;
-
- /* construct the command string */
- (void) strcpy(cmd_buf, pool ? "zpool" : "zfs");
- for (i = 0; i < argc; i++) {
- if (strlen(cmd_buf) + 1 + strlen(argv[i]) > HIS_MAX_RECORD_LEN)
- break;
- (void) strcat(cmd_buf, " ");
- (void) strcat(cmd_buf, argv[i]);
- }
-
- /* figure out the poolname */
- dspath = strpbrk(path, "/@");
- if (dspath == NULL) {
- (void) strcpy(zc.zc_name, path);
- } else {
- (void) strncpy(zc.zc_name, path, dspath - path);
- zc.zc_name[dspath-path] = '\0';
- }
-
- zc.zc_history = (uint64_t)(uintptr_t)cmd_buf;
- zc.zc_history_len = strlen(cmd_buf);
-
- /* overloading zc_history_offset */
- zc.zc_history_offset = pool_create;
-
- (void) ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_LOG_HISTORY, &zc);
-}
-
-/*
- * Perform ioctl to get some command history of a pool.
- *
- * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the
- * logical offset of the history buffer to start reading from.
- *
- * Upon return, 'off' is the next logical offset to read from and
- * 'len' is the actual amount of bytes read into 'buf'.
- */
-static int
-get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len)
-{
- zfs_cmd_t zc = { 0 };
- libzfs_handle_t *hdl = zhp->zpool_hdl;
-
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
-
- zc.zc_history = (uint64_t)(uintptr_t)buf;
- zc.zc_history_len = *len;
- zc.zc_history_offset = *off;
-
- if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_HISTORY, &zc) != 0) {
- switch (errno) {
- case EPERM:
- return (zfs_error_fmt(hdl, EZFS_PERM,
- dgettext(TEXT_DOMAIN,
- "cannot show history for pool '%s'"),
- zhp->zpool_name));
- case ENOENT:
- return (zfs_error_fmt(hdl, EZFS_NOHISTORY,
- dgettext(TEXT_DOMAIN, "cannot get history for pool "
- "'%s'"), zhp->zpool_name));
- case ENOTSUP:
- return (zfs_error_fmt(hdl, EZFS_BADVERSION,
- dgettext(TEXT_DOMAIN, "cannot get history for pool "
- "'%s', pool must be upgraded"), zhp->zpool_name));
- default:
- return (zpool_standard_error_fmt(hdl, errno,
- dgettext(TEXT_DOMAIN,
- "cannot get history for '%s'"), zhp->zpool_name));
- }
- }
-
- *len = zc.zc_history_len;
- *off = zc.zc_history_offset;
-
- return (0);
-}
-
-/*
- * Process the buffer of nvlists, unpacking and storing each nvlist record
- * into 'records'. 'leftover' is set to the number of bytes that weren't
- * processed as there wasn't a complete record.
- */
-static int
-zpool_history_unpack(char *buf, uint64_t bytes_read, uint64_t *leftover,
- nvlist_t ***records, uint_t *numrecords)
-{
- uint64_t reclen;
- nvlist_t *nv;
- int i;
-
- while (bytes_read > sizeof (reclen)) {
-
- /* get length of packed record (stored as little endian) */
- for (i = 0, reclen = 0; i < sizeof (reclen); i++)
- reclen += (uint64_t)(((uchar_t *)buf)[i]) << (8*i);
-
- if (bytes_read < sizeof (reclen) + reclen)
- break;
-
- /* unpack record */
- if (nvlist_unpack(buf + sizeof (reclen), reclen, &nv, 0) != 0)
- return (ENOMEM);
- bytes_read -= sizeof (reclen) + reclen;
- buf += sizeof (reclen) + reclen;
-
- /* add record to nvlist array */
- (*numrecords)++;
- if (ISP2(*numrecords + 1)) {
- *records = realloc(*records,
- *numrecords * 2 * sizeof (nvlist_t *));
- }
- (*records)[*numrecords - 1] = nv;
- }
-
- *leftover = bytes_read;
- return (0);
-}
-
-#define HIS_BUF_LEN (128*1024)
-
-/*
- * Retrieve the command history of a pool.
- */
-int
-zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp)
-{
- char buf[HIS_BUF_LEN];
- uint64_t off = 0;
- nvlist_t **records = NULL;
- uint_t numrecords = 0;
- int err, i;
-
- do {
- uint64_t bytes_read = sizeof (buf);
- uint64_t leftover;
-
- if ((err = get_history(zhp, buf, &off, &bytes_read)) != 0)
- break;
-
- /* if nothing else was read in, we're at EOF, just return */
- if (!bytes_read)
- break;
-
- if ((err = zpool_history_unpack(buf, bytes_read,
- &leftover, &records, &numrecords)) != 0)
- break;
- off -= leftover;
-
- /* CONSTCOND */
- } while (1);
-
- if (!err) {
- verify(nvlist_alloc(nvhisp, NV_UNIQUE_NAME, 0) == 0);
- verify(nvlist_add_nvlist_array(*nvhisp, ZPOOL_HIST_RECORD,
- records, numrecords) == 0);
- }
- for (i = 0; i < numrecords; i++)
- nvlist_free(records[i]);
- free(records);
-
- return (err);
-}
-
-void
-zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj,
- char *pathname, size_t len)
-{
- zfs_cmd_t zc = { 0 };
- boolean_t mounted = B_FALSE;
- char *mntpnt = NULL;
- char dsname[MAXNAMELEN];
-
- if (dsobj == 0) {
- /* special case for the MOS */
- (void) snprintf(pathname, len, "<metadata>:<0x%llx>", obj);
- return;
- }
-
- /* get the dataset's name */
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
- zc.zc_obj = dsobj;
- if (ioctl(zhp->zpool_hdl->libzfs_fd,
- ZFS_IOC_DSOBJ_TO_DSNAME, &zc) != 0) {
- /* just write out a path of two object numbers */
- (void) snprintf(pathname, len, "<0x%llx>:<0x%llx>",
- dsobj, obj);
- return;
- }
- (void) strlcpy(dsname, zc.zc_value, sizeof (dsname));
-
- /* find out if the dataset is mounted */
- mounted = is_mounted(zhp->zpool_hdl, dsname, &mntpnt);
-
- /* get the corrupted object's path */
- (void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name));
- zc.zc_obj = obj;
- if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_OBJ_TO_PATH,
- &zc) == 0) {
- if (mounted) {
- (void) snprintf(pathname, len, "%s%s", mntpnt,
- zc.zc_value);
- } else {
- (void) snprintf(pathname, len, "%s:%s",
- dsname, zc.zc_value);
- }
- } else {
- (void) snprintf(pathname, len, "%s:<0x%llx>", dsname, obj);
- }
- free(mntpnt);
-}
-
-int
-zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval)
-{
- zfs_cmd_t zc = { 0 };
- int ret = -1;
- char errbuf[1024];
- nvlist_t *nvl = NULL;
- nvlist_t *realprops;
-
- (void) snprintf(errbuf, sizeof (errbuf),
- dgettext(TEXT_DOMAIN, "cannot set property for '%s'"),
- zhp->zpool_name);
-
- if (zpool_get_version(zhp) < ZFS_VERSION_BOOTFS) {
- zfs_error_aux(zhp->zpool_hdl,
- dgettext(TEXT_DOMAIN, "pool must be "
- "upgraded to support pool properties"));
- return (zfs_error(zhp->zpool_hdl, EZFS_BADVERSION, errbuf));
- }
-
- if (zhp->zpool_props == NULL && zpool_get_all_props(zhp))
- return (zfs_error(zhp->zpool_hdl, EZFS_POOLPROPS, errbuf));
-
- if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0 ||
- nvlist_add_string(nvl, propname, propval) != 0) {
- return (no_memory(zhp->zpool_hdl));
- }
-
- if ((realprops = zfs_validate_properties(zhp->zpool_hdl, ZFS_TYPE_POOL,
- zhp->zpool_name, nvl, 0, NULL, errbuf)) == NULL) {
- nvlist_free(nvl);
- return (-1);
- }
-
- nvlist_free(nvl);
- nvl = realprops;
-
- /*
- * Execute the corresponding ioctl() to set this property.
- */
- (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
-
- if (zcmd_write_src_nvlist(zhp->zpool_hdl, &zc, nvl, NULL) != 0)
- return (-1);
-
- ret = ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_POOL_SET_PROPS, &zc);
- zcmd_free_nvlists(&zc);
-
- if (ret)
- (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf);
-
- return (ret);
-}
-
-int
-zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *propbuf,
- size_t proplen, zfs_source_t *srctype)
-{
- uint64_t value;
- char msg[1024], *strvalue;
- nvlist_t *nvp;
- zfs_source_t src = ZFS_SRC_NONE;
-
- (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
- "cannot get property '%s'"), zpool_prop_to_name(prop));
-
- if (zpool_get_version(zhp) < ZFS_VERSION_BOOTFS) {
- zfs_error_aux(zhp->zpool_hdl,
- dgettext(TEXT_DOMAIN, "pool must be "
- "upgraded to support pool properties"));
- return (zfs_error(zhp->zpool_hdl, EZFS_BADVERSION, msg));
- }
-
- if (zhp->zpool_props == NULL && zpool_get_all_props(zhp))
- return (zfs_error(zhp->zpool_hdl, EZFS_POOLPROPS, msg));
-
- /*
- * the "name" property is special cased
- */
- if (!zfs_prop_valid_for_type(prop, ZFS_TYPE_POOL) &&
- prop != ZFS_PROP_NAME)
- return (-1);
-
- switch (prop) {
- case ZFS_PROP_NAME:
- (void) strlcpy(propbuf, zhp->zpool_name, proplen);
- break;
-
- case ZFS_PROP_BOOTFS:
- if (nvlist_lookup_nvlist(zhp->zpool_props,
- zpool_prop_to_name(prop), &nvp) != 0) {
- strvalue = (char *)zfs_prop_default_string(prop);
- if (strvalue == NULL)
- strvalue = "-";
- src = ZFS_SRC_DEFAULT;
- } else {
- VERIFY(nvlist_lookup_uint64(nvp,
- ZFS_PROP_SOURCE, &value) == 0);
- src = value;
- VERIFY(nvlist_lookup_string(nvp, ZFS_PROP_VALUE,
- &strvalue) == 0);
- if (strlen(strvalue) >= proplen)
- return (-1);
- }
- (void) strcpy(propbuf, strvalue);
- break;
-
- default:
- return (-1);
- }
- if (srctype)
- *srctype = src;
- return (0);
-}
-
-int
-zpool_get_proplist(libzfs_handle_t *hdl, char *fields, zpool_proplist_t **listp)
-{
- return (zfs_get_proplist_common(hdl, fields, listp, ZFS_TYPE_POOL));
-}
-
-
-int
-zpool_expand_proplist(zpool_handle_t *zhp, zpool_proplist_t **plp)
-{
- libzfs_handle_t *hdl = zhp->zpool_hdl;
- zpool_proplist_t *entry;
- char buf[ZFS_MAXPROPLEN];
-
- if (zfs_expand_proplist_common(hdl, plp, ZFS_TYPE_POOL) != 0)
- return (-1);
-
- for (entry = *plp; entry != NULL; entry = entry->pl_next) {
-
- if (entry->pl_fixed)
- continue;
-
- if (entry->pl_prop != ZFS_PROP_INVAL &&
- zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf),
- NULL) == 0) {
- if (strlen(buf) > entry->pl_width)
- entry->pl_width = strlen(buf);
- }
- }
-
- return (0);
-}
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