diff options
Diffstat (limited to 'lib/libzfs')
-rw-r--r-- | lib/libzfs/libzfs_config.c | 35 | ||||
-rw-r--r-- | lib/libzfs/libzfs_pool.c | 226 | ||||
-rw-r--r-- | lib/libzfs/libzfs_status.c | 18 | ||||
-rw-r--r-- | lib/libzfs/libzfs_util.c | 19 |
4 files changed, 288 insertions, 10 deletions
diff --git a/lib/libzfs/libzfs_config.c b/lib/libzfs/libzfs_config.c index b36dee1e5..ee94fe106 100644 --- a/lib/libzfs/libzfs_config.c +++ b/lib/libzfs/libzfs_config.c @@ -18,12 +18,17 @@ * * CDDL HEADER END */ + /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* + * Copyright (c) 2012 by Delphix. All rights reserved. + */ + +/* * The pool configuration repository is stored in /etc/zfs/zpool.cache as a * single packed nvlist. While it would be nice to just read in this * file from userland, this wouldn't work from a local zone. So we have to have @@ -218,6 +223,36 @@ zpool_get_config(zpool_handle_t *zhp, nvlist_t **oldconfig) } /* + * Retrieves a list of enabled features and their refcounts and caches it in + * the pool handle. + */ +nvlist_t * +zpool_get_features(zpool_handle_t *zhp) +{ + nvlist_t *config, *features; + + config = zpool_get_config(zhp, NULL); + + if (config == NULL || !nvlist_exists(config, + ZPOOL_CONFIG_FEATURE_STATS)) { + int error; + boolean_t missing = B_FALSE; + + error = zpool_refresh_stats(zhp, &missing); + + if (error != 0 || missing) + return (NULL); + + config = zpool_get_config(zhp, NULL); + } + + verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_FEATURE_STATS, + &features) == 0); + + return (features); +} + +/* * Refresh the vdev statistics associated with the given pool. This is used in * iostat to show configuration changes and determine the delta from the last * time the function was called. This function can fail, in case the pool has diff --git a/lib/libzfs/libzfs_pool.c b/lib/libzfs/libzfs_pool.c index e2a67c6a7..eca1dc36a 100644 --- a/lib/libzfs/libzfs_pool.c +++ b/lib/libzfs/libzfs_pool.c @@ -45,6 +45,7 @@ #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); @@ -273,6 +274,7 @@ zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len, case ZPOOL_PROP_SIZE: case ZPOOL_PROP_ALLOCATED: case ZPOOL_PROP_FREE: + case ZPOOL_PROP_FREEING: case ZPOOL_PROP_EXPANDSZ: case ZPOOL_PROP_ASHIFT: (void) zfs_nicenum(intval, buf, len); @@ -299,6 +301,12 @@ zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len, (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); } @@ -403,10 +411,48 @@ zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname, 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 = 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); @@ -431,7 +477,8 @@ zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname, 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); @@ -673,10 +720,79 @@ 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; + 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) @@ -693,6 +809,66 @@ zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp) 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; + 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 @@ -1291,8 +1467,10 @@ zpool_rewind_exclaim(libzfs_handle_t *hdl, const char *name, boolean_t dryrun, 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; @@ -1349,6 +1527,7 @@ zpool_explain_recover(libzfs_handle_t *hdl, const char *name, int reason, /* 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; @@ -1473,6 +1652,31 @@ print_vdev_tree(libzfs_handle_t *hdl, const char *name, nvlist_t *nv, } } +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 @@ -1579,6 +1783,22 @@ zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, 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. */ diff --git a/lib/libzfs/libzfs_status.c b/lib/libzfs/libzfs_status.c index d56baf0bf..ef6a64133 100644 --- a/lib/libzfs/libzfs_status.c +++ b/lib/libzfs/libzfs_status.c @@ -18,8 +18,10 @@ * * CDDL HEADER END */ + /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. */ /* @@ -215,6 +217,20 @@ check_status(nvlist_t *config, boolean_t isimport) return (ZPOOL_STATUS_VERSION_NEWER); /* + * Unsupported feature(s). + */ + if (vs->vs_state == VDEV_STATE_CANT_OPEN && + vs->vs_aux == VDEV_AUX_UNSUP_FEAT) { + nvlist_t *nvinfo; + + verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, + &nvinfo) == 0); + if (nvlist_exists(nvinfo, ZPOOL_CONFIG_CAN_RDONLY)) + return (ZPOOL_STATUS_UNSUP_FEAT_WRITE); + return (ZPOOL_STATUS_UNSUP_FEAT_READ); + } + + /* * Check that the config is complete. */ if (vs->vs_state == VDEV_STATE_CANT_OPEN && @@ -301,7 +317,7 @@ check_status(nvlist_t *config, boolean_t isimport) /* * Outdated, but usable, version */ - if (version < SPA_VERSION) + if (SPA_VERSION_IS_SUPPORTED(version) && version != SPA_VERSION) return (ZPOOL_STATUS_VERSION_OLDER); return (ZPOOL_STATUS_OK); diff --git a/lib/libzfs/libzfs_util.c b/lib/libzfs/libzfs_util.c index 42700877a..a4e1255bb 100644 --- a/lib/libzfs/libzfs_util.c +++ b/lib/libzfs/libzfs_util.c @@ -18,9 +18,10 @@ * * CDDL HEADER END */ + /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2011 by Delphix. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. */ /* @@ -47,6 +48,7 @@ #include "libzfs_impl.h" #include "zfs_prop.h" +#include "zfeature_common.h" int libzfs_errno(libzfs_handle_t *hdl) @@ -114,7 +116,8 @@ libzfs_error_description(libzfs_handle_t *hdl) case EZFS_RESILVERING: return (dgettext(TEXT_DOMAIN, "currently resilvering")); case EZFS_BADVERSION: - return (dgettext(TEXT_DOMAIN, "unsupported version")); + return (dgettext(TEXT_DOMAIN, "unsupported version or " + "feature")); case EZFS_POOLUNAVAIL: return (dgettext(TEXT_DOMAIN, "pool is unavailable")); case EZFS_DEVOVERFLOW: @@ -709,6 +712,7 @@ libzfs_init(void) zfs_prop_init(); zpool_prop_init(); + zpool_feature_init(); libzfs_mnttab_init(hdl); return (hdl); @@ -1532,9 +1536,11 @@ addlist(libzfs_handle_t *hdl, char *propname, zprop_list_t **listp, * this is a pool property or if this isn't a user-defined * dataset property, */ - if (prop == ZPROP_INVAL && (type == ZFS_TYPE_POOL || - (!zfs_prop_user(propname) && !zfs_prop_userquota(propname) && - !zfs_prop_written(propname)))) { + if (prop == ZPROP_INVAL && ((type == ZFS_TYPE_POOL && + !zpool_prop_feature(propname) && + !zpool_prop_unsupported(propname)) || + (type == ZFS_TYPE_DATASET && !zfs_prop_user(propname) && + !zfs_prop_userquota(propname) && !zfs_prop_written(propname)))) { zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "invalid property '%s'"), propname); return (zfs_error(hdl, EZFS_BADPROP, @@ -1546,7 +1552,8 @@ addlist(libzfs_handle_t *hdl, char *propname, zprop_list_t **listp, entry->pl_prop = prop; if (prop == ZPROP_INVAL) { - if ((entry->pl_user_prop = zfs_strdup(hdl, propname)) == NULL) { + if ((entry->pl_user_prop = zfs_strdup(hdl, propname)) == + NULL) { free(entry); return (-1); } |