*/
/*
+ * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
*/
#include <ctype.h>
#include <stdlib.h>
#include <strings.h>
#include <unistd.h>
+#include <libgen.h>
#include <zone.h>
#include <sys/stat.h>
#include <sys/efi_partition.h>
#include "zfs_prop.h"
#include "libzfs_impl.h"
#include "zfs_comutil.h"
+#include "zfeature_common.h"
static int read_efi_label(nvlist_t *config, diskaddr_t *sb);
static int
zpool_get_all_props(zpool_handle_t *zhp)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
libzfs_handle_t *hdl = zhp->zpool_hdl;
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
return (gettext("UNKNOWN"));
}
+/*
+ * Map POOL STATE to printed strings.
+ */
+const char *
+zpool_pool_state_to_name(pool_state_t state)
+{
+ switch (state) {
+ default:
+ break;
+ case POOL_STATE_ACTIVE:
+ return (gettext("ACTIVE"));
+ case POOL_STATE_EXPORTED:
+ return (gettext("EXPORTED"));
+ case POOL_STATE_DESTROYED:
+ return (gettext("DESTROYED"));
+ case POOL_STATE_SPARE:
+ return (gettext("SPARE"));
+ case POOL_STATE_L2CACHE:
+ return (gettext("L2CACHE"));
+ case POOL_STATE_UNINITIALIZED:
+ return (gettext("UNINITIALIZED"));
+ case POOL_STATE_UNAVAIL:
+ return (gettext("UNAVAIL"));
+ case POOL_STATE_POTENTIALLY_ACTIVE:
+ return (gettext("POTENTIALLY_ACTIVE"));
+ }
+
+ return (gettext("UNKNOWN"));
+}
+
/*
* Get a zpool property value for 'prop' and return the value in
* a pre-allocated buffer.
*/
int
-zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len,
- zprop_source_t *srctype)
+zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf,
+ size_t len, zprop_source_t *srctype, boolean_t literal)
{
uint64_t intval;
const char *strval;
case ZPOOL_PROP_ALTROOT:
case ZPOOL_PROP_CACHEFILE:
+ case ZPOOL_PROP_COMMENT:
if (zhp->zpool_props != NULL ||
zpool_get_all_props(zhp) == 0) {
(void) strlcpy(buf,
zpool_get_prop_string(zhp, prop, &src),
len);
- if (srctype != NULL)
- *srctype = src;
- return (0);
+ break;
}
/* FALLTHROUGH */
default:
case ZPOOL_PROP_SIZE:
case ZPOOL_PROP_ALLOCATED:
case ZPOOL_PROP_FREE:
- (void) zfs_nicenum(intval, buf, len);
+ case ZPOOL_PROP_FREEING:
+ case ZPOOL_PROP_LEAKED:
+ case ZPOOL_PROP_ASHIFT:
+ if (literal)
+ (void) snprintf(buf, len, "%llu",
+ (u_longlong_t)intval);
+ else
+ (void) zfs_nicenum(intval, buf, len);
+ break;
+
+ case ZPOOL_PROP_EXPANDSZ:
+ if (intval == 0) {
+ (void) strlcpy(buf, "-", len);
+ } else if (literal) {
+ (void) snprintf(buf, len, "%llu",
+ (u_longlong_t)intval);
+ } else {
+ (void) zfs_nicenum(intval, buf, len);
+ }
break;
case ZPOOL_PROP_CAPACITY:
- (void) snprintf(buf, len, "%llu%%",
- (u_longlong_t)intval);
+ if (literal) {
+ (void) snprintf(buf, len, "%llu",
+ (u_longlong_t)intval);
+ } else {
+ (void) snprintf(buf, len, "%llu%%",
+ (u_longlong_t)intval);
+ }
+ break;
+
+ case ZPOOL_PROP_FRAGMENTATION:
+ if (intval == UINT64_MAX) {
+ (void) strlcpy(buf, "-", len);
+ } else if (literal) {
+ (void) snprintf(buf, len, "%llu",
+ (u_longlong_t)intval);
+ } else {
+ (void) snprintf(buf, len, "%llu%%",
+ (u_longlong_t)intval);
+ }
break;
case ZPOOL_PROP_DEDUPRATIO:
- (void) snprintf(buf, len, "%llu.%02llux",
- (u_longlong_t)(intval / 100),
- (u_longlong_t)(intval % 100));
+ if (literal)
+ (void) snprintf(buf, len, "%llu.%02llu",
+ (u_longlong_t)(intval / 100),
+ (u_longlong_t)(intval % 100));
+ else
+ (void) snprintf(buf, len, "%llu.%02llux",
+ (u_longlong_t)(intval / 100),
+ (u_longlong_t)(intval % 100));
break;
case ZPOOL_PROP_HEALTH:
(void) strlcpy(buf, zpool_state_to_name(intval,
vs->vs_aux), len);
break;
+ case ZPOOL_PROP_VERSION:
+ if (intval >= SPA_VERSION_FEATURES) {
+ (void) snprintf(buf, len, "-");
+ break;
+ }
+ /* FALLTHROUGH */
default:
(void) snprintf(buf, len, "%llu", (u_longlong_t)intval);
}
return (B_FALSE);
}
+#if defined(__sun__) || defined(__sun)
/*
* Inspect the configuration to determine if any of the devices contain
* an EFI label.
}
return (B_FALSE);
}
+#endif
-static boolean_t
-pool_is_bootable(zpool_handle_t *zhp)
+boolean_t
+zpool_is_bootable(zpool_handle_t *zhp)
{
- char bootfs[ZPOOL_MAXNAMELEN];
+ char bootfs[ZFS_MAX_DATASET_NAME_LEN];
return (zpool_get_prop(zhp, ZPOOL_PROP_BOOTFS, bootfs,
- sizeof (bootfs), NULL) == 0 && strncmp(bootfs, "-",
+ sizeof (bootfs), NULL, B_FALSE) == 0 && strncmp(bootfs, "-",
sizeof (bootfs)) != 0);
}
zpool_prop_t prop;
char *strval;
uint64_t intval;
- char *slash;
+ char *slash, *check;
struct stat64 statbuf;
zpool_handle_t *zhp;
nvlist_t *nvroot;
while ((elem = nvlist_next_nvpair(props, elem)) != NULL) {
const char *propname = nvpair_name(elem);
+ prop = zpool_name_to_prop(propname);
+ if (prop == ZPROP_INVAL && zpool_prop_feature(propname)) {
+ int err;
+ char *fname = strchr(propname, '@') + 1;
+
+ err = zfeature_lookup_name(fname, NULL);
+ if (err != 0) {
+ ASSERT3U(err, ==, ENOENT);
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "invalid feature '%s'"), fname);
+ (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
+ goto error;
+ }
+
+ if (nvpair_type(elem) != DATA_TYPE_STRING) {
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "'%s' must be a string"), propname);
+ (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
+ goto error;
+ }
+
+ (void) nvpair_value_string(elem, &strval);
+ if (strcmp(strval, ZFS_FEATURE_ENABLED) != 0) {
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "property '%s' can only be set to "
+ "'enabled'"), propname);
+ (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
+ goto error;
+ }
+
+ if (nvlist_add_uint64(retprops, propname, 0) != 0) {
+ (void) no_memory(hdl);
+ goto error;
+ }
+ continue;
+ }
+
/*
* Make sure this property is valid and applies to this type.
*/
- if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) {
+ if (prop == ZPROP_INVAL) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"invalid property '%s'"), propname);
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
default:
break;
case ZPOOL_PROP_VERSION:
- if (intval < version || intval > SPA_VERSION) {
+ if (intval < version ||
+ !SPA_VERSION_IS_SUPPORTED(intval)) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"property '%s' number %d is invalid."),
propname, intval);
}
break;
+ case ZPOOL_PROP_ASHIFT:
+ if (!flags.create) {
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "property '%s' can only be set at "
+ "creation time"), propname);
+ (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
+ goto error;
+ }
+
+ if (intval != 0 && (intval < 9 || intval > 13)) {
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "property '%s' number %d is invalid."),
+ propname, intval);
+ (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
+ goto error;
+ }
+ break;
+
case ZPOOL_PROP_BOOTFS:
if (flags.create || flags.import) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL),
ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0);
+#if defined(__sun__) || defined(__sun)
/*
* bootfs property cannot be set on a disk which has
* been EFI labeled.
zpool_close(zhp);
goto error;
}
+#endif
zpool_close(zhp);
break;
*slash = '/';
break;
+ case ZPOOL_PROP_COMMENT:
+ for (check = strval; *check != '\0'; check++) {
+ if (!isprint(*check)) {
+ zfs_error_aux(hdl,
+ dgettext(TEXT_DOMAIN,
+ "comment may only have printable "
+ "characters"));
+ (void) zfs_error(hdl, EZFS_BADPROP,
+ errbuf);
+ goto error;
+ }
+ }
+ if (strlen(strval) > ZPROP_MAX_COMMENT) {
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "comment must not exceed %d characters"),
+ ZPROP_MAX_COMMENT);
+ (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
+ goto error;
+ }
+ break;
case ZPOOL_PROP_READONLY:
if (!flags.import) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
goto error;
}
break;
+ case ZPOOL_PROP_TNAME:
+ if (!flags.create) {
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "property '%s' can only be set at "
+ "creation time"), propname);
+ (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
+ goto error;
+ }
+ break;
}
}
int
zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
int ret = -1;
char errbuf[1024];
nvlist_t *nvl = NULL;
libzfs_handle_t *hdl = zhp->zpool_hdl;
zprop_list_t *entry;
char buf[ZFS_MAXPROPLEN];
+ nvlist_t *features = NULL;
+ nvpair_t *nvp;
+ zprop_list_t **last;
+ boolean_t firstexpand = (NULL == *plp);
+ int i;
if (zprop_expand_list(hdl, plp, ZFS_TYPE_POOL) != 0)
return (-1);
+ last = plp;
+ while (*last != NULL)
+ last = &(*last)->pl_next;
+
+ if ((*plp)->pl_all)
+ features = zpool_get_features(zhp);
+
+ if ((*plp)->pl_all && firstexpand) {
+ for (i = 0; i < SPA_FEATURES; i++) {
+ zprop_list_t *entry = zfs_alloc(hdl,
+ sizeof (zprop_list_t));
+ entry->pl_prop = ZPROP_INVAL;
+ entry->pl_user_prop = zfs_asprintf(hdl, "feature@%s",
+ spa_feature_table[i].fi_uname);
+ entry->pl_width = strlen(entry->pl_user_prop);
+ entry->pl_all = B_TRUE;
+
+ *last = entry;
+ last = &entry->pl_next;
+ }
+ }
+
+ /* add any unsupported features */
+ for (nvp = nvlist_next_nvpair(features, NULL);
+ nvp != NULL; nvp = nvlist_next_nvpair(features, nvp)) {
+ char *propname;
+ boolean_t found;
+ zprop_list_t *entry;
+
+ if (zfeature_is_supported(nvpair_name(nvp)))
+ continue;
+
+ propname = zfs_asprintf(hdl, "unsupported@%s",
+ nvpair_name(nvp));
+
+ /*
+ * Before adding the property to the list make sure that no
+ * other pool already added the same property.
+ */
+ found = B_FALSE;
+ entry = *plp;
+ while (entry != NULL) {
+ if (entry->pl_user_prop != NULL &&
+ strcmp(propname, entry->pl_user_prop) == 0) {
+ found = B_TRUE;
+ break;
+ }
+ entry = entry->pl_next;
+ }
+ if (found) {
+ free(propname);
+ continue;
+ }
+
+ entry = zfs_alloc(hdl, sizeof (zprop_list_t));
+ entry->pl_prop = ZPROP_INVAL;
+ entry->pl_user_prop = propname;
+ entry->pl_width = strlen(entry->pl_user_prop);
+ entry->pl_all = B_TRUE;
+
+ *last = entry;
+ last = &entry->pl_next;
+ }
+
for (entry = *plp; entry != NULL; entry = entry->pl_next) {
if (entry->pl_fixed)
if (entry->pl_prop != ZPROP_INVAL &&
zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf),
- NULL) == 0) {
+ NULL, B_FALSE) == 0) {
if (strlen(buf) > entry->pl_width)
entry->pl_width = strlen(buf);
}
return (0);
}
+/*
+ * Get the state for the given feature on the given ZFS pool.
+ */
+int
+zpool_prop_get_feature(zpool_handle_t *zhp, const char *propname, char *buf,
+ size_t len)
+{
+ uint64_t refcount;
+ boolean_t found = B_FALSE;
+ nvlist_t *features = zpool_get_features(zhp);
+ boolean_t supported;
+ const char *feature = strchr(propname, '@') + 1;
+
+ supported = zpool_prop_feature(propname);
+ ASSERT(supported || zpool_prop_unsupported(propname));
+
+ /*
+ * Convert from feature name to feature guid. This conversion is
+ * unecessary for unsupported@... properties because they already
+ * use guids.
+ */
+ if (supported) {
+ int ret;
+ spa_feature_t fid;
+
+ ret = zfeature_lookup_name(feature, &fid);
+ if (ret != 0) {
+ (void) strlcpy(buf, "-", len);
+ return (ENOTSUP);
+ }
+ feature = spa_feature_table[fid].fi_guid;
+ }
+
+ if (nvlist_lookup_uint64(features, feature, &refcount) == 0)
+ found = B_TRUE;
+
+ if (supported) {
+ if (!found) {
+ (void) strlcpy(buf, ZFS_FEATURE_DISABLED, len);
+ } else {
+ if (refcount == 0)
+ (void) strlcpy(buf, ZFS_FEATURE_ENABLED, len);
+ else
+ (void) strlcpy(buf, ZFS_FEATURE_ACTIVE, len);
+ }
+ } else {
+ if (found) {
+ if (refcount == 0) {
+ (void) strcpy(buf, ZFS_UNSUPPORTED_INACTIVE);
+ } else {
+ (void) strcpy(buf, ZFS_UNSUPPORTED_READONLY);
+ }
+ } else {
+ (void) strlcpy(buf, "-", len);
+ return (ENOTSUP);
+ }
+ }
+
+ return (0);
+}
/*
* Don't start the slice at the default block of 34; many storage
* devices will use a stripe width of 128k, other vendors prefer a 1m
* alignment. It is best to play it safe and ensure a 1m alignment
- * give 512b blocks. When the block size is larger by a power of 2
- * we will still be 1m aligned.
+ * given 512B blocks. When the block size is larger by a power of 2
+ * we will still be 1m aligned. Some devices are sensitive to the
+ * partition ending alignment as well.
*/
-#define NEW_START_BLOCK 2048
+#define NEW_START_BLOCK 2048
+#define PARTITION_END_ALIGNMENT 2048
/*
* Validate the given pool name, optionally putting an extended error message in
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);
+ nvlist_free(zhp->zpool_config);
+ nvlist_free(zhp->zpool_old_config);
+ nvlist_free(zhp->zpool_props);
free(zhp);
}
zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot,
nvlist_t *props, nvlist_t *fsprops)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
nvlist_t *zc_fsprops = NULL;
nvlist_t *zc_props = NULL;
char msg[1024];
- char *altroot;
int ret = -1;
(void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
zfs_prop_to_name(ZFS_PROP_ZONED), &zonestr) == 0) &&
strcmp(zonestr, "on") == 0);
- if ((zc_fsprops = zfs_valid_proplist(hdl,
- ZFS_TYPE_FILESYSTEM, fsprops, zoned, NULL, msg)) == NULL) {
+ if ((zc_fsprops = zfs_valid_proplist(hdl, ZFS_TYPE_FILESYSTEM,
+ fsprops, zoned, NULL, NULL, msg)) == NULL) {
goto create_failed;
}
if (!zc_props &&
* part of an active md or lvm device.
*/
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "one or more vdevs refer to the same device, or one of\n"
- "the devices is part of an active md or lvm device"));
+ "one or more vdevs refer to the same device, or "
+ "one of\nthe devices is part of an active md or "
+ "lvm device"));
return (zfs_error(hdl, EZFS_BADDEV, msg));
+ case ERANGE:
+ /*
+ * This happens if the record size is smaller or larger
+ * than the allowed size range, or not a power of 2.
+ *
+ * NOTE: although zfs_valid_proplist is called earlier,
+ * this case may have slipped through since the
+ * pool does not exist yet and it is therefore
+ * impossible to read properties e.g. max blocksize
+ * from the pool.
+ */
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "record size invalid"));
+ return (zfs_error(hdl, EZFS_BADPROP, msg));
+
case EOVERFLOW:
/*
* This occurs when one of the devices is below
}
}
- /*
- * If this is an alternate root pool, then we automatically set the
- * mountpoint of the root dataset to be '/'.
- */
- if (nvlist_lookup_string(props, zpool_prop_to_name(ZPOOL_PROP_ALTROOT),
- &altroot) == 0) {
- zfs_handle_t *zhp;
-
- verify((zhp = zfs_open(hdl, pool, ZFS_TYPE_DATASET)) != NULL);
- verify(zfs_prop_set(zhp, zfs_prop_to_name(ZFS_PROP_MOUNTPOINT),
- "/") == 0);
-
- zfs_close(zhp);
- }
-
create_failed:
zcmd_free_nvlists(&zc);
nvlist_free(zc_props);
* datasets left in the pool.
*/
int
-zpool_destroy(zpool_handle_t *zhp)
+zpool_destroy(zpool_handle_t *zhp, const char *log_str)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
zfs_handle_t *zfp = NULL;
libzfs_handle_t *hdl = zhp->zpool_hdl;
char msg[1024];
return (-1);
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
+ zc.zc_history = (uint64_t)(uintptr_t)log_str;
if (zfs_ioctl(hdl, ZFS_IOC_POOL_DESTROY, &zc) != 0) {
(void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
int
zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
int ret;
libzfs_handle_t *hdl = zhp->zpool_hdl;
char msg[1024];
return (zfs_error(hdl, EZFS_BADVERSION, msg));
}
- if (pool_is_bootable(zhp) && nvlist_lookup_nvlist_array(nvroot,
+#if defined(__sun__) || defined(__sun)
+ if (zpool_is_bootable(zhp) && nvlist_lookup_nvlist_array(nvroot,
ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0) {
uint64_t s;
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"device '%s' contains an EFI label and "
"cannot be used on root pools."),
- zpool_vdev_name(hdl, NULL, spares[s],
- B_FALSE));
+ zpool_vdev_name(hdl, NULL, spares[s], 0));
return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg));
}
}
}
+#endif
if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) <
SPA_VERSION_L2CACHE &&
(void) zfs_error(hdl, EZFS_BADVERSION, msg);
break;
- case EDOM:
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "root pool can not have multiple vdevs"
- " or separate logs"));
- (void) zfs_error(hdl, EZFS_POOL_NOTSUP, msg);
- break;
-
case ENOTBLK:
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"cache device must be a disk or disk slice"));
* Exports the pool from the system. The caller must ensure that there are no
* mounted datasets in the pool.
*/
-int
-zpool_export_common(zpool_handle_t *zhp, boolean_t force, boolean_t hardforce)
+static int
+zpool_export_common(zpool_handle_t *zhp, boolean_t force, boolean_t hardforce,
+ const char *log_str)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
char msg[1024];
(void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
zc.zc_cookie = force;
zc.zc_guid = hardforce;
+ zc.zc_history = (uint64_t)(uintptr_t)log_str;
if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_EXPORT, &zc) != 0) {
switch (errno) {
}
int
-zpool_export(zpool_handle_t *zhp, boolean_t force)
+zpool_export(zpool_handle_t *zhp, boolean_t force, const char *log_str)
{
- return (zpool_export_common(zhp, force, B_FALSE));
+ return (zpool_export_common(zhp, force, B_FALSE, log_str));
}
int
-zpool_export_force(zpool_handle_t *zhp)
+zpool_export_force(zpool_handle_t *zhp, const char *log_str)
{
- return (zpool_export_common(zhp, B_TRUE, B_TRUE));
+ return (zpool_export_common(zhp, B_TRUE, B_TRUE, log_str));
}
static void
if (!hdl->libzfs_printerr || config == NULL)
return;
- if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0)
+ if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 ||
+ nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0) {
return;
+ }
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0)
return;
/* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */
if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 ||
+ nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0 ||
nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0)
goto no_info;
ret = zpool_import_props(hdl, config, newname, props,
ZFS_IMPORT_NORMAL);
- if (props)
- nvlist_free(props);
+ nvlist_free(props);
return (ret);
}
return;
for (c = 0; c < children; c++) {
- vname = zpool_vdev_name(hdl, NULL, child[c], B_TRUE);
+ vname = zpool_vdev_name(hdl, NULL, child[c], VDEV_NAME_TYPE_ID);
print_vdev_tree(hdl, vname, child[c], indent + 2);
free(vname);
}
}
+void
+zpool_print_unsup_feat(nvlist_t *config)
+{
+ nvlist_t *nvinfo, *unsup_feat;
+ nvpair_t *nvp;
+
+ verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nvinfo) ==
+ 0);
+ verify(nvlist_lookup_nvlist(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT,
+ &unsup_feat) == 0);
+
+ for (nvp = nvlist_next_nvpair(unsup_feat, NULL); nvp != NULL;
+ nvp = nvlist_next_nvpair(unsup_feat, nvp)) {
+ char *desc;
+
+ verify(nvpair_type(nvp) == DATA_TYPE_STRING);
+ verify(nvpair_value_string(nvp, &desc) == 0);
+
+ if (strlen(desc) > 0)
+ (void) printf("\t%s (%s)\n", nvpair_name(nvp), desc);
+ else
+ (void) printf("\t%s\n", nvpair_name(nvp));
+ }
+}
+
/*
* Import the given pool using the known configuration and a list of
* properties to be set. The configuration should have come from
zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname,
nvlist_t *props, int flags)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
zpool_rewind_policy_t policy;
nvlist_t *nv = NULL;
nvlist_t *nvinfo = NULL;
thename = origname;
}
- if (props) {
+ if (props != NULL) {
uint64_t version;
prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE };
&version) == 0);
if ((props = zpool_valid_proplist(hdl, origname,
- props, version, flags, errbuf)) == NULL) {
+ props, version, flags, errbuf)) == NULL)
return (-1);
- } else if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) {
+ if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) {
nvlist_free(props);
return (-1);
}
+ nvlist_free(props);
}
(void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name));
&zc.zc_guid) == 0);
if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0) {
- nvlist_free(props);
+ zcmd_free_nvlists(&zc);
return (-1);
}
if (zcmd_alloc_dst_nvlist(hdl, &zc, zc.zc_nvlist_conf_size * 2) != 0) {
- nvlist_free(props);
+ zcmd_free_nvlists(&zc);
return (-1);
}
error = errno;
(void) zcmd_read_dst_nvlist(hdl, &zc, &nv);
+
+ zcmd_free_nvlists(&zc);
+
zpool_get_rewind_policy(config, &policy);
if (error) {
switch (error) {
case ENOTSUP:
+ if (nv != NULL && nvlist_lookup_nvlist(nv,
+ ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 &&
+ nvlist_exists(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT)) {
+ (void) printf(dgettext(TEXT_DOMAIN, "This "
+ "pool uses the following feature(s) not "
+ "supported by this system:\n"));
+ zpool_print_unsup_feat(nv);
+ if (nvlist_exists(nvinfo,
+ ZPOOL_CONFIG_CAN_RDONLY)) {
+ (void) printf(dgettext(TEXT_DOMAIN,
+ "All unsupported features are only "
+ "required for writing to the pool."
+ "\nThe pool can be imported using "
+ "'-o readonly=on'.\n"));
+ }
+ }
/*
* Unsupported version.
*/
(void) zpool_standard_error(hdl, error, desc);
break;
+ case EBUSY:
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "one or more devices are already in use\n"));
+ (void) zfs_error(hdl, EZFS_BADDEV, desc);
+ break;
+ case ENAMETOOLONG:
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "new name of at least one dataset is longer than "
+ "the maximum allowable length"));
+ (void) zfs_error(hdl, EZFS_NAMETOOLONG, desc);
+ break;
default:
(void) zpool_standard_error(hdl, error, desc);
zpool_explain_recover(hdl,
return (0);
}
- zcmd_free_nvlists(&zc);
- nvlist_free(props);
-
return (ret);
}
int
zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
char msg[1024];
libzfs_handle_t *hdl = zhp->zpool_hdl;
}
}
-/*
- * This provides a very minimal check whether a given string is likely a
- * c#t#d# style string. Users of this are expected to do their own
- * verification of the s# part.
- */
-#define CTD_CHECK(str) (str && str[0] == 'c' && isdigit(str[1]))
-
-/*
- * More elaborate version for ones which may start with "/dev/dsk/"
- * and the like.
- */
-static int
-ctd_check_path(char *str) {
- /*
- * If it starts with a slash, check the last component.
- */
- if (str && str[0] == '/') {
- char *tmp = strrchr(str, '/');
-
- /*
- * If it ends in "/old", check the second-to-last
- * component of the string instead.
- */
- if (tmp != str && strcmp(tmp, "/old") == 0) {
- for (tmp--; *tmp != '/'; tmp--)
- ;
- }
- str = tmp + 1;
- }
- return (CTD_CHECK(str));
-}
-
/*
* Find a vdev that matches the search criteria specified. We use the
* the nvpair name to determine how we should look for the device.
* Search for the requested value. Special cases:
*
* - ZPOOL_CONFIG_PATH for whole disk entries. These end in
- * "s0" or "s0/old". The "s0" part is hidden from the user,
+ * "-part1", or "p1". The suffix is hidden from the user,
* but included in the string, so this matches around it.
+ * - ZPOOL_CONFIG_PATH for short names zfs_strcmp_shortname()
+ * is used to check all possible expanded paths.
* - looking for a top-level vdev name (i.e. ZPOOL_CONFIG_TYPE).
*
* Otherwise, all other searches are simple string compares.
*/
- if (strcmp(srchkey, ZPOOL_CONFIG_PATH) == 0 &&
- ctd_check_path(val)) {
+ if (strcmp(srchkey, ZPOOL_CONFIG_PATH) == 0) {
uint64_t wholedisk = 0;
(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK,
&wholedisk);
- if (wholedisk) {
- int slen = strlen(srchval);
- int vlen = strlen(val);
-
- if (slen != vlen - 2)
- break;
-
- /*
- * make_leaf_vdev() should only set
- * wholedisk for ZPOOL_CONFIG_PATHs which
- * will include "/dev/dsk/", giving plenty of
- * room for the indices used next.
- */
- ASSERT(vlen >= 6);
-
- /*
- * strings identical except trailing "s0"
- */
- if (strcmp(&val[vlen - 2], "s0") == 0 &&
- strncmp(srchval, val, slen) == 0)
- return (nv);
-
- /*
- * strings identical except trailing "s0/old"
- */
- if (strcmp(&val[vlen - 6], "s0/old") == 0 &&
- strcmp(&srchval[slen - 4], "/old") == 0 &&
- strncmp(srchval, val, slen - 4) == 0)
- return (nv);
+ if (zfs_strcmp_pathname(srchval, val, wholedisk) == 0)
+ return (nv);
- break;
- }
} else if (strcmp(srchkey, ZPOOL_CONFIG_TYPE) == 0 && val) {
char *type, *idx, *end, *p;
uint64_t id, vdev_id;
zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare,
boolean_t *l2cache, boolean_t *log)
{
- char buf[MAXPATHLEN];
char *end;
nvlist_t *nvroot, *search, *ret;
uint64_t guid;
verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0);
- guid = strtoull(path, &end, 10);
+ guid = strtoull(path, &end, 0);
if (guid != 0 && *end == '\0') {
verify(nvlist_add_uint64(search, ZPOOL_CONFIG_GUID, guid) == 0);
} else if (zpool_vdev_is_interior(path)) {
verify(nvlist_add_string(search, ZPOOL_CONFIG_TYPE, path) == 0);
- } else if (path[0] != '/') {
- (void) snprintf(buf, sizeof (buf), "%s/%s", DISK_ROOT, path);
- verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, buf) == 0);
} else {
verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, path) == 0);
}
&child, &count) != 0)
return (EZFS_INVALCONFIG);
+#if defined(__sun__) || defined(__sun)
/*
* root pool can not have EFI labeled disks and can only have
* a single top-level vdev.
if (strcmp(type, VDEV_TYPE_ROOT) != 0 || count != 1 ||
pool_uses_efi(vdev_root))
return (EZFS_POOL_INVALARG);
+#endif
(void) vdev_get_physpaths(child[0], physpath, phypath_size, &rsz,
B_FALSE);
* the disk to use the new unallocated space.
*/
static int
-zpool_relabel_disk(libzfs_handle_t *hdl, const char *path)
+zpool_relabel_disk(libzfs_handle_t *hdl, const char *path, const char *msg)
{
- char errbuf[1024];
int fd, error;
if ((fd = open(path, O_RDWR|O_DIRECT)) < 0) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot "
- "relabel '%s': unable to open device"), path);
- return (zfs_error(hdl, EZFS_OPENFAILED, errbuf));
+ "relabel '%s': unable to open device: %d"), path, errno);
+ return (zfs_error(hdl, EZFS_OPENFAILED, msg));
}
/*
* It's possible that we might encounter an error if the device
* does not have any unallocated space left. If so, we simply
* ignore that error and continue on.
+ *
+ * Also, we don't call efi_rescan() - that would just return EBUSY.
+ * The module will do it for us in vdev_disk_open().
*/
error = efi_use_whole_disk(fd);
(void) close(fd);
if (error && error != VT_ENOSPC) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot "
"relabel '%s': unable to read disk capacity"), path);
- return (zfs_error(hdl, EZFS_NOCAP, errbuf));
+ return (zfs_error(hdl, EZFS_NOCAP, msg));
}
return (0);
}
zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags,
vdev_state_t *newstate)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
char msg[1024];
nvlist_t *tgt;
boolean_t avail_spare, l2cache, islog;
libzfs_handle_t *hdl = zhp->zpool_hdl;
+ int error;
if (flags & ZFS_ONLINE_EXPAND) {
(void) snprintf(msg, sizeof (msg),
if (flags & ZFS_ONLINE_EXPAND ||
zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) {
- char *pathname = NULL;
uint64_t wholedisk = 0;
(void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK,
&wholedisk);
- verify(nvlist_lookup_string(tgt, ZPOOL_CONFIG_PATH,
- &pathname) == 0);
/*
* XXX - L2ARC 1.0 devices can't support expansion.
}
if (wholedisk) {
- pathname += strlen(DISK_ROOT) + 1;
- (void) zpool_relabel_disk(hdl, pathname);
+ const char *fullpath = path;
+ char buf[MAXPATHLEN];
+
+ if (path[0] != '/') {
+ error = zfs_resolve_shortname(path, buf,
+ sizeof (buf));
+ if (error != 0)
+ return (zfs_error(hdl, EZFS_NODEVICE,
+ msg));
+
+ fullpath = buf;
+ }
+
+ error = zpool_relabel_disk(hdl, fullpath, msg);
+ if (error != 0)
+ return (error);
}
}
int
zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
char msg[1024];
nvlist_t *tgt;
boolean_t avail_spare, l2cache;
int
zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
char msg[1024];
libzfs_handle_t *hdl = zhp->zpool_hdl;
(void) snprintf(msg, sizeof (msg),
- dgettext(TEXT_DOMAIN, "cannot fault %llu"), (u_longlong_t)guid);
+ dgettext(TEXT_DOMAIN, "cannot fault %llu"), (u_longlong_t)guid);
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
zc.zc_guid = guid;
int
zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
char msg[1024];
libzfs_handle_t *hdl = zhp->zpool_hdl;
(void) snprintf(msg, sizeof (msg),
- dgettext(TEXT_DOMAIN, "cannot degrade %llu"), (u_longlong_t)guid);
+ dgettext(TEXT_DOMAIN, "cannot degrade %llu"), (u_longlong_t)guid);
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
zc.zc_guid = guid;
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", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
char msg[1024];
int ret;
nvlist_t *tgt;
uint_t children;
nvlist_t *config_root;
libzfs_handle_t *hdl = zhp->zpool_hdl;
- boolean_t rootpool = pool_is_bootable(zhp);
+ boolean_t rootpool = zpool_is_bootable(zhp);
if (replacing)
(void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
(void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
"cannot attach %s to %s"), new_disk, old_disk);
+#if defined(__sun__) || defined(__sun)
/*
* If this is a root pool, make sure that we're not attaching an
* EFI labeled device.
"EFI labeled devices are not supported on root pools."));
return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg));
}
+#endif
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare, &l2cache,
verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL),
ZPOOL_CONFIG_VDEV_TREE, &config_root) == 0);
- if ((newname = zpool_vdev_name(NULL, NULL, child[0], B_FALSE)) == NULL)
+ if ((newname = zpool_vdev_name(NULL, NULL, child[0], 0)) == NULL)
return (-1);
/*
case EDOM:
/*
- * The new device has a different alignment requirement.
+ * The new device has a different optimal sector size.
*/
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "devices have different sector alignment"));
+ "new device has a different optimal sector size; use the "
+ "option '-o ashift=N' to override the optimal size"));
(void) zfs_error(hdl, EZFS_BADDEV, msg);
break;
int
zpool_vdev_detach(zpool_handle_t *zhp, const char *path)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
char msg[1024];
nvlist_t *tgt;
boolean_t avail_spare, l2cache;
for (mc = 0; mc < mchildren; mc++) {
uint_t sc;
char *mpath = zpool_vdev_name(zhp->zpool_hdl, zhp,
- mchild[mc], B_FALSE);
+ mchild[mc], 0);
for (sc = 0; sc < schildren; sc++) {
char *spath = zpool_vdev_name(zhp->zpool_hdl, zhp,
- schild[sc], B_FALSE);
+ schild[sc], 0);
boolean_t result = (strcmp(mpath, spath) == 0);
free(spath);
zpool_vdev_split(zpool_handle_t *zhp, char *newname, nvlist_t **newroot,
nvlist_t *props, splitflags_t flags)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
char msg[1024];
nvlist_t *tree, *config, **child, **newchild, *newconfig = NULL;
nvlist_t **varray = NULL, *zc_props = NULL;
&children) != 0) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"Source pool is missing vdev tree"));
- if (zc_props)
- nvlist_free(zc_props);
+ nvlist_free(zc_props);
return (-1);
}
free(varray);
}
zcmd_free_nvlists(&zc);
- if (zc_props)
- nvlist_free(zc_props);
- if (newconfig)
- nvlist_free(newconfig);
+ nvlist_free(zc_props);
+ nvlist_free(newconfig);
if (freelist) {
nvlist_free(*newroot);
*newroot = NULL;
int
zpool_vdev_remove(zpool_handle_t *zhp, const char *path)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
char msg[1024];
nvlist_t *tgt;
boolean_t avail_spare, l2cache, islog;
int
zpool_clear(zpool_handle_t *zhp, const char *path, nvlist_t *rewindnvl)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
char msg[1024];
nvlist_t *tgt;
zpool_rewind_policy_t policy;
int
zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
char msg[1024];
libzfs_handle_t *hdl = zhp->zpool_hdl;
(void) snprintf(msg, sizeof (msg),
dgettext(TEXT_DOMAIN, "cannot clear errors for %llx"),
- (u_longlong_t)guid);
+ (u_longlong_t)guid);
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
zc.zc_guid = guid;
return (zpool_standard_error(hdl, errno, msg));
}
+/*
+ * Change the GUID for a pool.
+ */
+int
+zpool_reguid(zpool_handle_t *zhp)
+{
+ char msg[1024];
+ libzfs_handle_t *hdl = zhp->zpool_hdl;
+ zfs_cmd_t zc = {"\0"};
+
+ (void) snprintf(msg, sizeof (msg),
+ dgettext(TEXT_DOMAIN, "cannot reguid '%s'"), zhp->zpool_name);
+
+ (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
+ if (zfs_ioctl(hdl, ZFS_IOC_POOL_REGUID, &zc) == 0)
+ return (0);
+
+ return (zpool_standard_error(hdl, errno, msg));
+}
+
+/*
+ * Reopen the pool.
+ */
+int
+zpool_reopen(zpool_handle_t *zhp)
+{
+ zfs_cmd_t zc = {"\0"};
+ char msg[1024];
+ libzfs_handle_t *hdl = zhp->zpool_hdl;
+
+ (void) snprintf(msg, sizeof (msg),
+ dgettext(TEXT_DOMAIN, "cannot reopen '%s'"),
+ zhp->zpool_name);
+
+ (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
+ if (zfs_ioctl(hdl, ZFS_IOC_POOL_REOPEN, &zc) == 0)
+ return (0);
+ return (zpool_standard_error(hdl, errno, msg));
+}
+
+#if defined(__sun__) || defined(__sun)
/*
* Convert from a devid string to a path.
*/
if (ret != 0)
return (NULL);
- if ((path = strdup(list[0].devname)) == NULL)
- return (NULL);
+ /*
+ * In a case the strdup() fails, we will just return NULL below.
+ */
+ path = strdup(list[0].devname);
devid_free_nmlist(list);
static void
set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ 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));
(void) ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SETPATH, &zc);
}
+#endif /* sun */
+
+/*
+ * Remove partition suffix from a vdev path. Partition suffixes may take three
+ * forms: "-partX", "pX", or "X", where X is a string of digits. The second
+ * case only occurs when the suffix is preceded by a digit, i.e. "md0p0" The
+ * third case only occurs when preceded by a string matching the regular
+ * expression "^([hsv]|xv)d[a-z]+", i.e. a scsi, ide, virtio or xen disk.
+ */
+static char *
+strip_partition(libzfs_handle_t *hdl, char *path)
+{
+ char *tmp = zfs_strdup(hdl, path);
+ char *part = NULL, *d = NULL;
+
+ if ((part = strstr(tmp, "-part")) && part != tmp) {
+ d = part + 5;
+ } else if ((part = strrchr(tmp, 'p')) &&
+ part > tmp + 1 && isdigit(*(part-1))) {
+ d = part + 1;
+ } else if ((tmp[0] == 'h' || tmp[0] == 's' || tmp[0] == 'v') &&
+ tmp[1] == 'd') {
+ for (d = &tmp[2]; isalpha(*d); part = ++d);
+ } else if (strncmp("xvd", tmp, 3) == 0) {
+ for (d = &tmp[3]; isalpha(*d); part = ++d);
+ }
+ if (part && d && *d != '\0') {
+ for (; isdigit(*d); d++);
+ if (*d == '\0')
+ *part = '\0';
+ }
+ return (tmp);
+}
+
+#define PATH_BUF_LEN 64
/*
* Given a vdev, return the name to display in iostat. If the vdev has a path,
*/
char *
zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv,
- boolean_t verbose)
+ int name_flags)
{
- char *path, *devid, *type;
+ char *path, *type, *env;
uint64_t value;
- char buf[64];
- vdev_stat_t *vs;
- uint_t vsc;
-
- 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);
+ char buf[PATH_BUF_LEN];
+ char tmpbuf[PATH_BUF_LEN];
+
+ env = getenv("ZPOOL_VDEV_NAME_PATH");
+ if (env && (strtoul(env, NULL, 0) > 0 ||
+ !strncasecmp(env, "YES", 3) || !strncasecmp(env, "ON", 2)))
+ name_flags |= VDEV_NAME_PATH;
+
+ env = getenv("ZPOOL_VDEV_NAME_GUID");
+ if (env && (strtoul(env, NULL, 0) > 0 ||
+ !strncasecmp(env, "YES", 3) || !strncasecmp(env, "ON", 2)))
+ name_flags |= VDEV_NAME_GUID;
+
+ env = getenv("ZPOOL_VDEV_NAME_FOLLOW_LINKS");
+ if (env && (strtoul(env, NULL, 0) > 0 ||
+ !strncasecmp(env, "YES", 3) || !strncasecmp(env, "ON", 2)))
+ name_flags |= VDEV_NAME_FOLLOW_LINKS;
+
+ if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, &value) == 0 ||
+ name_flags & VDEV_NAME_GUID) {
+ nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value);
+ (void) snprintf(buf, sizeof (buf), "%llu", (u_longlong_t)value);
path = buf;
} else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) {
+#if defined(__sun__) || defined(__sun)
+ /*
+ * Live VDEV path updates to a kernel VDEV during a
+ * zpool_vdev_name lookup are not supported on Linux.
+ */
+ char *devid;
+ vdev_stat_t *vs;
+ uint_t vsc;
+
/*
* If the device is dead (faulted, offline, etc) then don't
* bother opening it. Otherwise we may be forcing the user to
if (newdevid)
devid_str_free(newdevid);
}
+#endif /* sun */
+
+ if (name_flags & VDEV_NAME_FOLLOW_LINKS) {
+ char *rp = realpath(path, NULL);
+ if (rp) {
+ strlcpy(buf, rp, sizeof (buf));
+ path = buf;
+ free(rp);
+ }
+ }
/*
* For a block device only use the name.
*/
verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0);
- if (strcmp(type, VDEV_TYPE_DISK) == 0) {
+ if ((strcmp(type, VDEV_TYPE_DISK) == 0) &&
+ !(name_flags & VDEV_NAME_PATH)) {
path = strrchr(path, '/');
path++;
}
-#if defined(__sun__) || defined(__sun)
/*
- * The following code strips the slice from the device path.
+ * Remove the partition from the path it this is a whole disk.
*/
- if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK,
- &value) == 0 && value) {
- int pathlen = strlen(path);
- char *tmp = zfs_strdup(hdl, path);
-
- /*
- * If it starts with c#, and ends with "s0", chop
- * the "s0" off, or if it ends with "s0/old", remove
- * the "s0" from the middle.
- */
- if (CTD_CHECK(tmp)) {
- if (strcmp(&tmp[pathlen - 2], "s0") == 0) {
- tmp[pathlen - 2] = '\0';
- } else if (pathlen > 6 &&
- strcmp(&tmp[pathlen - 6], "s0/old") == 0) {
- (void) strcpy(&tmp[pathlen - 6],
- "/old");
- }
- }
- return (tmp);
+ if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, &value)
+ == 0 && value && !(name_flags & VDEV_NAME_PATH)) {
+ return (strip_partition(hdl, path));
}
-#endif
} else {
verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &path) == 0);
* We identify each top-level vdev by using a <type-id>
* naming convention.
*/
- if (verbose) {
+ if (name_flags & VDEV_NAME_TYPE_ID) {
uint64_t id;
-
verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID,
&id) == 0);
- (void) snprintf(buf, sizeof (buf), "%s-%llu", path,
- (u_longlong_t)id);
- path = buf;
+ (void) snprintf(tmpbuf, sizeof (tmpbuf), "%s-%llu",
+ path, (u_longlong_t)id);
+ path = tmpbuf;
}
}
}
static int
-zbookmark_compare(const void *a, const void *b)
+zbookmark_mem_compare(const void *a, const void *b)
{
- return (memcmp(a, b, sizeof (zbookmark_t)));
+ return (memcmp(a, b, sizeof (zbookmark_phys_t)));
}
/*
int
zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
uint64_t count;
- zbookmark_t *zb = NULL;
+ zbookmark_phys_t *zb = NULL;
int i;
/*
if (count == 0)
return (0);
if ((zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl,
- count * sizeof (zbookmark_t))) == (uintptr_t)NULL)
+ count * sizeof (zbookmark_phys_t))) == (uintptr_t)NULL)
return (-1);
zc.zc_nvlist_dst_size = count;
(void) strcpy(zc.zc_name, zhp->zpool_name);
&zc) != 0) {
free((void *)(uintptr_t)zc.zc_nvlist_dst);
if (errno == ENOMEM) {
+ void *dst;
+
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)
+ dst = zfs_alloc(zhp->zpool_hdl, count *
+ sizeof (zbookmark_phys_t));
+ if (dst == NULL)
return (-1);
+ zc.zc_nvlist_dst = (uintptr_t)dst;
} else {
return (-1);
}
* _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) +
+ zb = ((zbookmark_phys_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);
+ qsort(zb, count, sizeof (zbookmark_phys_t), zbookmark_mem_compare);
verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0);
int
zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
libzfs_handle_t *hdl = zhp->zpool_hdl;
(void) strcpy(zc.zc_name, zhp->zpool_name);
}
void
-zpool_set_history_str(const char *subcommand, int argc, char **argv,
- char *history_str)
+zfs_save_arguments(int argc, char **argv, char *string, int len)
{
int i;
- (void) strlcpy(history_str, subcommand, HIS_MAX_RECORD_LEN);
+ (void) strlcpy(string, basename(argv[0]), len);
for (i = 1; i < argc; i++) {
- if (strlen(history_str) + 1 + strlen(argv[i]) >
- HIS_MAX_RECORD_LEN)
- break;
- (void) strlcat(history_str, " ", HIS_MAX_RECORD_LEN);
- (void) strlcat(history_str, argv[i], HIS_MAX_RECORD_LEN);
+ (void) strlcat(string, " ", len);
+ (void) strlcat(string, argv[i], len);
}
}
-/*
- * Stage command history for logging.
- */
int
-zpool_stage_history(libzfs_handle_t *hdl, const char *history_str)
+zpool_log_history(libzfs_handle_t *hdl, const char *message)
{
- if (history_str == NULL)
- return (EINVAL);
-
- if (strlen(history_str) > HIS_MAX_RECORD_LEN)
- return (EINVAL);
-
- if (hdl->libzfs_log_str != NULL)
- free(hdl->libzfs_log_str);
-
- if ((hdl->libzfs_log_str = strdup(history_str)) == NULL)
- return (no_memory(hdl));
-
- return (0);
+ zfs_cmd_t zc = {"\0"};
+ nvlist_t *args;
+ int err;
+
+ args = fnvlist_alloc();
+ fnvlist_add_string(args, "message", message);
+ err = zcmd_write_src_nvlist(hdl, &zc, args);
+ if (err == 0)
+ err = ioctl(hdl->libzfs_fd, ZFS_IOC_LOG_HISTORY, &zc);
+ nvlist_free(args);
+ zcmd_free_nvlists(&zc);
+ return (err);
}
/*
static int
get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
libzfs_handle_t *hdl = zhp->zpool_hdl;
(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
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];
+ char *buf;
+ int buflen = 128 * 1024;
uint64_t off = 0;
nvlist_t **records = NULL;
uint_t numrecords = 0;
int err, i;
+ buf = malloc(buflen);
+ if (buf == NULL)
+ return (ENOMEM);
do {
- uint64_t bytes_read = sizeof (buf);
+ uint64_t bytes_read = buflen;
uint64_t leftover;
if ((err = get_history(zhp, buf, &off, &bytes_read)) != 0)
&leftover, &records, &numrecords)) != 0)
break;
off -= leftover;
+ if (leftover == bytes_read) {
+ /*
+ * no progress made, because buffer is not big enough
+ * to hold this record; resize and retry.
+ */
+ buflen *= 2;
+ free(buf);
+ buf = malloc(buflen);
+ if (buf == NULL)
+ return (ENOMEM);
+ }
/* CONSTCOND */
} while (1);
+ free(buf);
+
if (!err) {
verify(nvlist_alloc(nvhisp, NV_UNIQUE_NAME, 0) == 0);
verify(nvlist_add_nvlist_array(*nvhisp, ZPOOL_HIST_RECORD,
}
/*
- * Retrieve the next event. If there is a new event available 'nvp' will
- * contain a newly allocated nvlist and 'dropped' will be set to the number
- * of missed events since the last call to this function. When 'nvp' is
- * set to NULL it indicates no new events are available. In either case
- * the function returns 0 and it is up to the caller to free 'nvp'. In
- * the case of a fatal error the function will return a non-zero value.
- * When the function is called in blocking mode it will not return until
- * a new event is available.
+ * Retrieve the next event given the passed 'zevent_fd' file descriptor.
+ * If there is a new event available 'nvp' will contain a newly allocated
+ * nvlist and 'dropped' will be set to the number of missed events since
+ * the last call to this function. When 'nvp' is set to NULL it indicates
+ * no new events are available. In either case the function returns 0 and
+ * it is up to the caller to free 'nvp'. In the case of a fatal error the
+ * function will return a non-zero value. When the function is called in
+ * blocking mode (the default, unless the ZEVENT_NONBLOCK flag is passed),
+ * it will not return until a new event is available.
*/
int
zpool_events_next(libzfs_handle_t *hdl, nvlist_t **nvp,
- int *dropped, int block, int cleanup_fd)
+ int *dropped, unsigned flags, int zevent_fd)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
int error = 0;
*nvp = NULL;
*dropped = 0;
- zc.zc_cleanup_fd = cleanup_fd;
+ zc.zc_cleanup_fd = zevent_fd;
- if (!block)
+ if (flags & ZEVENT_NONBLOCK)
zc.zc_guid = ZEVENT_NONBLOCK;
if (zcmd_alloc_dst_nvlist(hdl, &zc, ZEVENT_SIZE) != 0)
goto out;
case ENOENT:
/* Blocking error case should not occur */
- if (block)
+ if (!(flags & ZEVENT_NONBLOCK))
error = zpool_standard_error_fmt(hdl, errno,
dgettext(TEXT_DOMAIN, "cannot get event"));
int
zpool_events_clear(libzfs_handle_t *hdl, int *count)
{
- zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
char msg[1024];
(void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN,
return (0);
}
+/*
+ * Seek to a specific EID, ZEVENT_SEEK_START, or ZEVENT_SEEK_END for
+ * the passed zevent_fd file handle. On success zero is returned,
+ * otherwise -1 is returned and hdl->libzfs_error is set to the errno.
+ */
+int
+zpool_events_seek(libzfs_handle_t *hdl, uint64_t eid, int zevent_fd)
+{
+ zfs_cmd_t zc = {"\0"};
+ int error = 0;
+
+ zc.zc_guid = eid;
+ zc.zc_cleanup_fd = zevent_fd;
+
+ if (zfs_ioctl(hdl, ZFS_IOC_EVENTS_SEEK, &zc) != 0) {
+ switch (errno) {
+ case ENOENT:
+ error = zfs_error_fmt(hdl, EZFS_NOENT,
+ dgettext(TEXT_DOMAIN, "cannot get event"));
+ break;
+
+ case ENOMEM:
+ error = zfs_error_fmt(hdl, EZFS_NOMEM,
+ dgettext(TEXT_DOMAIN, "cannot get event"));
+ break;
+
+ default:
+ error = zpool_standard_error_fmt(hdl, errno,
+ dgettext(TEXT_DOMAIN, "cannot get event"));
+ break;
+ }
+ }
+
+ return (error);
+}
+
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", "\0", "\0", "\0", 0 };
+ zfs_cmd_t zc = {"\0"};
boolean_t mounted = B_FALSE;
char *mntpnt = NULL;
- char dsname[MAXNAMELEN];
+ char dsname[ZFS_MAX_DATASET_NAME_LEN];
if (dsobj == 0) {
/* special case for the MOS */
- (void) snprintf(pathname, len, "<metadata>:<0x%llx>", (longlong_t)obj);
+ (void) snprintf(pathname, len, "<metadata>:<0x%llx>",
+ (longlong_t)obj);
return;
}
dsname, zc.zc_value);
}
} else {
- (void) snprintf(pathname, len, "%s:<0x%llx>", dsname, (longlong_t)obj);
+ (void) snprintf(pathname, len, "%s:<0x%llx>", dsname,
+ (longlong_t)obj);
}
free(mntpnt);
}
if (nvlist_lookup_string(config, ZPOOL_CONFIG_PATH, &path) != 0)
return (err);
- (void) snprintf(diskname, sizeof (diskname), "%s%s", RDISK_ROOT,
+ (void) snprintf(diskname, sizeof (diskname), "%s%s", DISK_ROOT,
strrchr(path, '/'));
if ((fd = open(diskname, O_RDWR|O_DIRECT)) >= 0) {
struct dk_gpt *vtoc;
return (MAXOFFSET_T);
}
-int
-zpool_label_disk_wait(char *path, int timeout)
-{
- struct stat64 statbuf;
- int i;
-
- /*
- * Wait timeout miliseconds for a newly created device to be available
- * from the given path. There is a small window when a /dev/ device
- * will exist and the udev link will not, so we must wait for the
- * symlink. Depending on the udev rules this may take a few seconds.
- */
- for (i = 0; i < timeout; i++) {
- usleep(1000);
-
- errno = 0;
- if ((stat64(path, &statbuf) == 0) && (errno == 0))
- return (0);
- }
-
- return (ENOENT);
-}
-
-int
+static int
zpool_label_disk_check(char *path)
{
struct dk_gpt *vtoc;
int fd, err;
if ((fd = open(path, O_RDWR|O_DIRECT)) < 0)
- return errno;
+ return (errno);
if ((err = efi_alloc_and_read(fd, &vtoc)) != 0) {
(void) close(fd);
- return err;
+ return (err);
}
if (vtoc->efi_flags & EFI_GPT_PRIMARY_CORRUPT) {
efi_free(vtoc);
(void) close(fd);
- return EIDRM;
+ return (EIDRM);
}
efi_free(vtoc);
(void) close(fd);
- return 0;
+ return (0);
+}
+
+/*
+ * Generate a unique partition name for the ZFS member. Partitions must
+ * have unique names to ensure udev will be able to create symlinks under
+ * /dev/disk/by-partlabel/ for all pool members. The partition names are
+ * of the form <pool>-<unique-id>.
+ */
+static void
+zpool_label_name(char *label_name, int label_size)
+{
+ uint64_t id = 0;
+ int fd;
+
+ fd = open("/dev/urandom", O_RDONLY);
+ if (fd > 0) {
+ if (read(fd, &id, sizeof (id)) != sizeof (id))
+ id = 0;
+
+ close(fd);
+ }
+
+ if (id == 0)
+ id = (((uint64_t)rand()) << 32) | (uint64_t)rand();
+
+ snprintf(label_name, label_size, "zfs-%016llx", (u_longlong_t) id);
}
/*
if (zhp) {
nvlist_t *nvroot;
- if (pool_is_bootable(zhp)) {
+#if defined(__sun__) || defined(__sun)
+ if (zpool_is_bootable(zhp)) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"EFI labeled devices are not supported on root "
"pools."));
return (zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf));
}
+#endif
verify(nvlist_lookup_nvlist(zhp->zpool_config,
ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0);
start_block = NEW_START_BLOCK;
}
- (void) snprintf(path, sizeof (path), "%s/%s%s", RDISK_ROOT, name,
- BACKUP_SLICE);
+ (void) snprintf(path, sizeof (path), "%s/%s", DISK_ROOT, name);
if ((fd = open(path, O_RDWR|O_DIRECT)) < 0) {
/*
* This shouldn't happen. We've long since verified that this
* is a valid device.
*/
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "unable to open device '%s': %d"), path, errno);
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot "
+ "label '%s': unable to open device: %d"), path, errno);
return (zfs_error(hdl, EZFS_OPENFAILED, errbuf));
}
(void) no_memory(hdl);
(void) close(fd);
- zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "unable to read disk capacity"), name);
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot "
+ "label '%s': unable to read disk capacity"), path);
return (zfs_error(hdl, EZFS_NOCAP, errbuf));
}
if (start_block == MAXOFFSET_T)
start_block = NEW_START_BLOCK;
slice_size -= start_block;
+ slice_size = P2ALIGN(slice_size, PARTITION_END_ALIGNMENT);
vtoc->efi_parts[0].p_start = start_block;
vtoc->efi_parts[0].p_size = slice_size;
* can get, in the absence of V_OTHER.
*/
vtoc->efi_parts[0].p_tag = V_USR;
- (void) strcpy(vtoc->efi_parts[0].p_name, "zfs");
+ zpool_label_name(vtoc->efi_parts[0].p_name, EFI_PART_NAME_LEN);
vtoc->efi_parts[8].p_start = slice_size + start_block;
vtoc->efi_parts[8].p_size = resv;
vtoc->efi_parts[8].p_tag = V_RESERVED;
- if ((rval = efi_write(fd, vtoc)) != 0) {
+ if ((rval = efi_write(fd, vtoc)) != 0 || (rval = efi_rescan(fd)) != 0) {
/*
* Some block drivers (like pcata) may not support EFI
* GPT labels. Print out a helpful error message dir-
(void) close(fd);
efi_free(vtoc);
- /* Wait for the first expected slice to appear. */
- (void) snprintf(path, sizeof (path), "%s/%s%s%s", DISK_ROOT, name,
- isdigit(name[strlen(name)-1]) ? "p" : "", FIRST_SLICE);
- rval = zpool_label_disk_wait(path, 3000);
+ (void) snprintf(path, sizeof (path), "%s/%s", DISK_ROOT, name);
+ (void) zfs_append_partition(path, MAXPATHLEN);
+
+ /* Wait to udev to signal use the device has settled. */
+ rval = zpool_label_disk_wait(path, DISK_LABEL_WAIT);
if (rval) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "failed to "
"detect device partitions on '%s': %d"), path, rval);
return (zfs_error(hdl, EZFS_LABELFAILED, errbuf));
}
- return 0;
+ return (0);
}
projects / mirror_zfs.git / blobdiff