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2619 asynchronous destruction of ZFS file systems
2747 SPA versioning with zfs feature flags
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <gwilson@delphix.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com>
Approved by: Dan McDonald <danmcd@nexenta.com>

*** 41,50 **** --- 41,51 ---- #include "zfs_namecheck.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); #define DISK_ROOT "/dev/dsk" #define RDISK_ROOT "/dev/rdsk"
*** 271,280 **** --- 272,282 ---- switch (prop) { case ZPOOL_PROP_SIZE: case ZPOOL_PROP_ALLOCATED: case ZPOOL_PROP_FREE: + case ZPOOL_PROP_FREEING: case ZPOOL_PROP_EXPANDSZ: (void) zfs_nicenum(intval, buf, len); break; case ZPOOL_PROP_CAPACITY:
*** 296,305 **** --- 298,313 ---- == 0); (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", intval); } break;
*** 398,411 **** elem = NULL; while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { const char *propname = nvpair_name(elem); /* * Make sure this property is valid and applies to this type. */ ! if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) { zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "invalid property '%s'"), propname); (void) zfs_error(hdl, EZFS_BADPROP, errbuf); goto error; } --- 406,457 ---- elem = NULL; 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; + zfeature_info_t *feature; + char *fname = strchr(propname, '@') + 1; + + err = zfeature_lookup_name(fname, &feature); + 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 == ZPROP_INVAL) { zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "invalid property '%s'"), propname); (void) zfs_error(hdl, EZFS_BADPROP, errbuf); goto error; }
*** 424,434 **** /* * Perform additional checking for specific properties. */ switch (prop) { case ZPOOL_PROP_VERSION: ! if (intval < version || intval > SPA_VERSION) { zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "property '%s' number %d is invalid."), propname, intval); (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); goto error; --- 470,481 ---- /* * Perform additional checking for specific properties. */ switch (prop) { case ZPOOL_PROP_VERSION: ! if (intval < version || ! !SPA_VERSION_IS_SUPPORTED(intval)) { zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "property '%s' number %d is invalid."), propname, intval); (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); goto error;
*** 646,659 **** --- 693,773 ---- zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp) { libzfs_handle_t *hdl = zhp->zpool_hdl; zprop_list_t *entry; char buf[ZFS_MAXPROPLEN]; + nvlist_t *features = NULL; + zprop_list_t **last; + boolean_t firstexpand = (NULL == *plp); 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 (int 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 (nvpair_t *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) continue;
*** 666,676 **** --- 780,850 ---- } 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 || zfs_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; + zfeature_info_t *fi; + + ret = zfeature_lookup_name(feature, &fi); + if (ret != 0) { + (void) strlcpy(buf, "-", len); + return (ENOTSUP); + } + feature = fi->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, so start there instead. */ #define NEW_START_BLOCK 256
*** 1252,1263 **** char timestr[128]; if (!hdl->libzfs_printerr || config == NULL) return; ! if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0) return; if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) return; (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); --- 1426,1439 ---- char timestr[128]; if (!hdl->libzfs_printerr || config == NULL) return; ! 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; (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss);
*** 1309,1318 **** --- 1485,1495 ---- else (void) printf(dgettext(TEXT_DOMAIN, "\t")); /* 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; (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_DATA_ERRORS,
*** 1431,1440 **** --- 1608,1641 ---- print_vdev_tree(hdl, vname, child[c], indent + 2); free(vname); } } + void + zpool_print_unsup_feat(nvlist_t *config) + { + nvlist_t *nvinfo, *unsup_feat; + + verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == + 0); + verify(nvlist_lookup_nvlist(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT, + &unsup_feat) == 0); + + for (nvpair_t *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_find_import(). The 'newname' parameters control whether the pool * is imported with a different name.
*** 1537,1546 **** --- 1738,1763 ---- dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"), origname, thename); 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) zfs_error(hdl, EZFS_BADVERSION, desc); break;