/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- */
-/*
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
*/
/*
const char *propname = zpool_prop_to_name(prop);
nvlist_t *propval;
- VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP) == 0);
+ VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_PUSHPAGE) == 0);
VERIFY(nvlist_add_uint64(propval, ZPROP_SOURCE, src) == 0);
if (strval != NULL)
static void
spa_prop_get_config(spa_t *spa, nvlist_t **nvp)
{
+ vdev_t *rvd = spa->spa_root_vdev;
uint64_t size;
uint64_t alloc;
+ uint64_t space;
uint64_t cap, version;
zprop_source_t src = ZPROP_SRC_NONE;
spa_config_dirent_t *dp;
+ int c;
ASSERT(MUTEX_HELD(&spa->spa_props_lock));
- if (spa->spa_root_vdev != NULL) {
+ if (rvd != NULL) {
alloc = metaslab_class_get_alloc(spa_normal_class(spa));
size = metaslab_class_get_space(spa_normal_class(spa));
spa_prop_add_list(*nvp, ZPOOL_PROP_NAME, spa_name(spa), 0, src);
spa_prop_add_list(*nvp, ZPOOL_PROP_ALLOCATED, NULL, alloc, src);
spa_prop_add_list(*nvp, ZPOOL_PROP_FREE, NULL,
size - alloc, src);
+
+ space = 0;
+ for (c = 0; c < rvd->vdev_children; c++) {
+ vdev_t *tvd = rvd->vdev_child[c];
+ space += tvd->vdev_max_asize - tvd->vdev_asize;
+ }
+ spa_prop_add_list(*nvp, ZPOOL_PROP_EXPANDSZ, NULL, space,
+ src);
+
spa_prop_add_list(*nvp, ZPOOL_PROP_READONLY, NULL,
(spa_mode(spa) == FREAD), src);
ddt_get_pool_dedup_ratio(spa), src);
spa_prop_add_list(*nvp, ZPOOL_PROP_HEALTH, NULL,
- spa->spa_root_vdev->vdev_state, src);
+ rvd->vdev_state, src);
version = spa_version(spa);
if (version == zpool_prop_default_numeric(ZPOOL_PROP_VERSION))
spa_prop_add_list(*nvp, ZPOOL_PROP_GUID, NULL, spa_guid(spa), src);
+ if (spa->spa_comment != NULL) {
+ spa_prop_add_list(*nvp, ZPOOL_PROP_COMMENT, spa->spa_comment,
+ 0, ZPROP_SRC_LOCAL);
+ }
+
if (spa->spa_root != NULL)
spa_prop_add_list(*nvp, ZPOOL_PROP_ALTROOT, spa->spa_root,
0, ZPROP_SRC_LOCAL);
zap_attribute_t za;
int err;
- err = nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP);
+ err = nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_PUSHPAGE);
if (err)
return err;
strval = kmem_alloc(
MAXNAMELEN + strlen(MOS_DIR_NAME) + 1,
- KM_SLEEP);
+ KM_PUSHPAGE);
dsl_dataset_name(ds, strval);
dsl_dataset_rele(ds, FTAG);
rw_exit(&dp->dp_config_rwlock);
case 1:
/* string property */
- strval = kmem_alloc(za.za_num_integers, KM_SLEEP);
+ strval = kmem_alloc(za.za_num_integers, KM_PUSHPAGE);
err = zap_lookup(mos, spa->spa_pool_props_object,
za.za_name, 1, za.za_num_integers, strval);
if (err) {
char *propname, *strval;
uint64_t intval;
objset_t *os;
- char *slash;
+ char *slash, *check;
propname = nvpair_name(elem);
error = EINVAL;
break;
+ case ZPOOL_PROP_COMMENT:
+ if ((error = nvpair_value_string(elem, &strval)) != 0)
+ break;
+ for (check = strval; *check != '\0'; check++) {
+ if (!isprint(*check)) {
+ error = EINVAL;
+ break;
+ }
+ check++;
+ }
+ if (strlen(strval) > ZPROP_MAX_COMMENT)
+ error = E2BIG;
+ break;
+
case ZPOOL_PROP_DEDUPDITTO:
if (spa_version(spa) < SPA_VERSION_DEDUP)
error = ENOTSUP;
return;
dp = kmem_alloc(sizeof (spa_config_dirent_t),
- KM_SLEEP);
+ KM_PUSHPAGE);
if (cachefile[0] == '\0')
dp->scd_path = spa_strdup(spa_config_path);
}
/*
+ * Change the GUID for the pool. This is done so that we can later
+ * re-import a pool built from a clone of our own vdevs. We will modify
+ * the root vdev's guid, our own pool guid, and then mark all of our
+ * vdevs dirty. Note that we must make sure that all our vdevs are
+ * online when we do this, or else any vdevs that weren't present
+ * would be orphaned from our pool. We are also going to issue a
+ * sysevent to update any watchers.
+ */
+int
+spa_change_guid(spa_t *spa)
+{
+ uint64_t oldguid, newguid;
+ uint64_t txg;
+
+ if (!(spa_mode_global & FWRITE))
+ return (EROFS);
+
+ txg = spa_vdev_enter(spa);
+
+ if (spa->spa_root_vdev->vdev_state != VDEV_STATE_HEALTHY)
+ return (spa_vdev_exit(spa, NULL, txg, ENXIO));
+
+ oldguid = spa_guid(spa);
+ newguid = spa_generate_guid(NULL);
+ ASSERT3U(oldguid, !=, newguid);
+
+ spa->spa_root_vdev->vdev_guid = newguid;
+ spa->spa_root_vdev->vdev_guid_sum += (newguid - oldguid);
+
+ vdev_config_dirty(spa->spa_root_vdev);
+
+ spa_event_notify(spa, NULL, FM_EREPORT_ZFS_POOL_REGUID);
+
+ return (spa_vdev_exit(spa, NULL, txg, 0));
+}
+
+/*
* ==========================================================================
* SPA state manipulation (open/create/destroy/import/export)
* ==========================================================================
static taskq_t *
spa_taskq_create(spa_t *spa, const char *name, enum zti_modes mode,
- uint_t value, uint_t flags)
+ uint_t value)
{
+ uint_t flags = TASKQ_PREPOPULATE;
boolean_t batch = B_FALSE;
switch (mode) {
const zio_taskq_info_t *ztip = &zio_taskqs[t][q];
enum zti_modes mode = ztip->zti_mode;
uint_t value = ztip->zti_value;
- uint_t flags = 0;
char name[32];
- if (t == ZIO_TYPE_WRITE)
- flags |= TASKQ_NORECLAIM;
-
(void) snprintf(name, sizeof (name),
"%s_%s", zio_type_name[t], zio_taskq_types[q]);
spa->spa_zio_taskq[t][q] =
- spa_taskq_create(spa, name, mode, value, flags);
+ spa_taskq_create(spa, name, mode, value);
}
}
}
spa->spa_async_suspended = 0;
+ if (spa->spa_comment != NULL) {
+ spa_strfree(spa->spa_comment);
+ spa->spa_comment = NULL;
+ }
+
spa_config_exit(spa, SCL_ALL, FTAG);
}
* active configuration, then we also mark this vdev as an active spare.
*/
spa->spa_spares.sav_vdevs = kmem_alloc(nspares * sizeof (void *),
- KM_SLEEP);
+ KM_PUSHPAGE);
for (i = 0; i < spa->spa_spares.sav_count; i++) {
VERIFY(spa_config_parse(spa, &vd, spares[i], NULL, 0,
VDEV_ALLOC_SPARE) == 0);
DATA_TYPE_NVLIST_ARRAY) == 0);
spares = kmem_alloc(spa->spa_spares.sav_count * sizeof (void *),
- KM_SLEEP);
+ KM_PUSHPAGE);
for (i = 0; i < spa->spa_spares.sav_count; i++)
spares[i] = vdev_config_generate(spa,
spa->spa_spares.sav_vdevs[i], B_TRUE, VDEV_CONFIG_SPARE);
if (sav->sav_config != NULL) {
VERIFY(nvlist_lookup_nvlist_array(sav->sav_config,
ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0);
- newvdevs = kmem_alloc(nl2cache * sizeof (void *), KM_SLEEP);
+ newvdevs = kmem_alloc(nl2cache * sizeof (void *), KM_PUSHPAGE);
} else {
nl2cache = 0;
}
VERIFY(nvlist_remove(sav->sav_config, ZPOOL_CONFIG_L2CACHE,
DATA_TYPE_NVLIST_ARRAY) == 0);
- l2cache = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP);
+ l2cache = kmem_alloc(sav->sav_count * sizeof (void *), KM_PUSHPAGE);
for (i = 0; i < sav->sav_count; i++)
l2cache[i] = vdev_config_generate(spa,
sav->sav_vdevs[i], B_TRUE, VDEV_CONFIG_L2CACHE);
nvsize = *(uint64_t *)db->db_data;
dmu_buf_rele(db, FTAG);
- packed = kmem_alloc(nvsize, KM_SLEEP | KM_NODEBUG);
+ packed = kmem_alloc(nvsize, KM_PUSHPAGE | KM_NODEBUG);
error = dmu_read(spa->spa_meta_objset, obj, 0, nvsize, packed,
DMU_READ_PREFETCH);
if (error == 0)
uint64_t idx = 0;
child = kmem_alloc(rvd->vdev_children * sizeof (nvlist_t **),
- KM_SLEEP);
- VERIFY(nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) == 0);
+ KM_PUSHPAGE);
+ VERIFY(nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_PUSHPAGE) == 0);
for (c = 0; c < rvd->vdev_children; c++) {
vdev_t *tvd = rvd->vdev_child[c];
&glist, &gcount) != 0)
return;
- vd = kmem_zalloc(gcount * sizeof (vdev_t *), KM_SLEEP);
+ vd = kmem_zalloc(gcount * sizeof (vdev_t *), KM_PUSHPAGE);
/* attempt to online all the vdevs & validate */
attempt_reopen = B_TRUE;
{
nvlist_t *config = spa->spa_config;
char *ereport = FM_EREPORT_ZFS_POOL;
+ char *comment;
int error;
uint64_t pool_guid;
nvlist_t *nvl;
if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &pool_guid))
return (EINVAL);
+ ASSERT(spa->spa_comment == NULL);
+ if (nvlist_lookup_string(config, ZPOOL_CONFIG_COMMENT, &comment) == 0)
+ spa->spa_comment = spa_strdup(comment);
+
/*
* Versioning wasn't explicitly added to the label until later, so if
* it's not present treat it as the initial version.
spa_guid_exists(pool_guid, 0)) {
error = EEXIST;
} else {
- spa->spa_load_guid = pool_guid;
+ spa->spa_config_guid = pool_guid;
if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_SPLIT,
&nvl) == 0) {
VERIFY(nvlist_dup(nvl, &spa->spa_config_splitting,
- KM_SLEEP) == 0);
+ KM_PUSHPAGE) == 0);
}
gethrestime(&spa->spa_loaded_ts);
*/
if (type != SPA_IMPORT_ASSEMBLE) {
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER);
- error = vdev_validate(rvd);
+ error = vdev_validate(rvd, mosconfig);
spa_config_exit(spa, SCL_ALL, FTAG);
if (error != 0)
*/
if (config != NULL && spa->spa_config) {
VERIFY(nvlist_dup(spa->spa_config, config,
- KM_SLEEP) == 0);
+ KM_PUSHPAGE) == 0);
VERIFY(nvlist_add_nvlist(*config,
ZPOOL_CONFIG_LOAD_INFO,
spa->spa_load_info) == 0);
&olddevs, &oldndevs) == 0);
newdevs = kmem_alloc(sizeof (void *) *
- (ndevs + oldndevs), KM_SLEEP);
+ (ndevs + oldndevs), KM_PUSHPAGE);
for (i = 0; i < oldndevs; i++)
VERIFY(nvlist_dup(olddevs[i], &newdevs[i],
- KM_SLEEP) == 0);
+ KM_PUSHPAGE) == 0);
for (i = 0; i < ndevs; i++)
VERIFY(nvlist_dup(devs[i], &newdevs[i + oldndevs],
- KM_SLEEP) == 0);
+ KM_PUSHPAGE) == 0);
VERIFY(nvlist_remove(sav->sav_config, config,
DATA_TYPE_NVLIST_ARRAY) == 0);
* Generate a new dev list.
*/
VERIFY(nvlist_alloc(&sav->sav_config, NV_UNIQUE_NAME,
- KM_SLEEP) == 0);
+ KM_PUSHPAGE) == 0);
VERIFY(nvlist_add_nvlist_array(sav->sav_config, config,
devs, ndevs) == 0);
}
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
&spares, &nspares) == 0) {
VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, NV_UNIQUE_NAME,
- KM_SLEEP) == 0);
+ KM_PUSHPAGE) == 0);
VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config,
ZPOOL_CONFIG_SPARES, spares, nspares) == 0);
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER);
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE,
&l2cache, &nl2cache) == 0) {
VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config,
- NV_UNIQUE_NAME, KM_SLEEP) == 0);
+ NV_UNIQUE_NAME, KM_PUSHPAGE) == 0);
VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config,
ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0);
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER);
/*
* Put this pool's top-level vdevs into a root vdev.
*/
- VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0);
+ VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_PUSHPAGE) == 0);
VERIFY(nvlist_add_string(nvroot, ZPOOL_CONFIG_TYPE,
VDEV_TYPE_ROOT) == 0);
VERIFY(nvlist_add_uint64(nvroot, ZPOOL_CONFIG_ID, 0ULL) == 0);
ZPOOL_CONFIG_SPARES, DATA_TYPE_NVLIST_ARRAY) == 0);
else
VERIFY(nvlist_alloc(&spa->spa_spares.sav_config,
- NV_UNIQUE_NAME, KM_SLEEP) == 0);
+ NV_UNIQUE_NAME, KM_PUSHPAGE) == 0);
VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config,
ZPOOL_CONFIG_SPARES, spares, nspares) == 0);
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER);
ZPOOL_CONFIG_L2CACHE, DATA_TYPE_NVLIST_ARRAY) == 0);
else
VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config,
- NV_UNIQUE_NAME, KM_SLEEP) == 0);
+ NV_UNIQUE_NAME, KM_PUSHPAGE) == 0);
VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config,
ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0);
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER);
* pools are bootable.
*/
if ((!error || error == EEXIST) && spa->spa_bootfs) {
- char *tmpname = kmem_alloc(MAXPATHLEN, KM_SLEEP);
+ char *tmpname = kmem_alloc(MAXPATHLEN, KM_PUSHPAGE);
/*
* We have to play games with the name since the
if (dsl_dsobj_to_dsname(spa_name(spa),
spa->spa_bootfs, tmpname) == 0) {
char *cp;
- char *dsname = kmem_alloc(MAXPATHLEN, KM_SLEEP);
+ char *dsname = kmem_alloc(MAXPATHLEN, KM_PUSHPAGE);
cp = strchr(tmpname, '/');
if (cp == NULL) {
if (strcmp(oldvd->vdev_path, newvd->vdev_path) == 0) {
spa_strfree(oldvd->vdev_path);
oldvd->vdev_path = kmem_alloc(strlen(newvd->vdev_path) + 5,
- KM_SLEEP);
+ KM_PUSHPAGE);
(void) sprintf(oldvd->vdev_path, "%s/%s",
newvd->vdev_path, "old");
if (oldvd->vdev_devid != NULL) {
nvlist_lookup_nvlist(nvl, ZPOOL_CONFIG_L2CACHE, &tmp) == 0)
return (spa_vdev_exit(spa, NULL, txg, EINVAL));
- vml = kmem_zalloc(children * sizeof (vdev_t *), KM_SLEEP);
- glist = kmem_zalloc(children * sizeof (uint64_t), KM_SLEEP);
+ vml = kmem_zalloc(children * sizeof (vdev_t *), KM_PUSHPAGE);
+ glist = kmem_zalloc(children * sizeof (uint64_t), KM_PUSHPAGE);
/* then, loop over each vdev and validate it */
for (c = 0; c < children; c++) {
* Temporarily record the splitting vdevs in the spa config. This
* will disappear once the config is regenerated.
*/
- VERIFY(nvlist_alloc(&nvl, NV_UNIQUE_NAME, KM_SLEEP) == 0);
+ VERIFY(nvlist_alloc(&nvl, NV_UNIQUE_NAME, KM_PUSHPAGE) == 0);
VERIFY(nvlist_add_uint64_array(nvl, ZPOOL_CONFIG_SPLIT_LIST,
glist, children) == 0);
kmem_free(glist, children * sizeof (uint64_t));
/* if that worked, generate a real config for the new pool */
if (newspa->spa_root_vdev != NULL) {
VERIFY(nvlist_alloc(&newspa->spa_config_splitting,
- NV_UNIQUE_NAME, KM_SLEEP) == 0);
+ NV_UNIQUE_NAME, KM_PUSHPAGE) == 0);
VERIFY(nvlist_add_uint64(newspa->spa_config_splitting,
ZPOOL_CONFIG_SPLIT_GUID, spa_guid(spa)) == 0);
spa_config_set(newspa, spa_config_generate(newspa, NULL, -1ULL,
int i, j;
if (count > 1)
- newdev = kmem_alloc((count - 1) * sizeof (void *), KM_SLEEP);
+ newdev = kmem_alloc((count - 1) * sizeof (void *), KM_PUSHPAGE);
for (i = 0, j = 0; i < count; i++) {
if (dev[i] == dev_to_remove)
continue;
- VERIFY(nvlist_dup(dev[i], &newdev[j++], KM_SLEEP) == 0);
+ VERIFY(nvlist_dup(dev[i], &newdev[j++], KM_PUSHPAGE) == 0);
}
VERIFY(nvlist_remove(config, name, DATA_TYPE_NVLIST_ARRAY) == 0);
* saves us a pre-read to get data we don't actually care about.
*/
bufsize = P2ROUNDUP(nvsize, SPA_CONFIG_BLOCKSIZE);
- packed = vmem_alloc(bufsize, KM_SLEEP);
+ packed = vmem_alloc(bufsize, KM_PUSHPAGE);
VERIFY(nvlist_pack(nv, &packed, &nvsize, NV_ENCODE_XDR,
- KM_SLEEP) == 0);
+ KM_PUSHPAGE) == 0);
bzero(packed + nvsize, bufsize - nvsize);
dmu_write(spa->spa_meta_objset, obj, 0, bufsize, packed, tx);
&sav->sav_object, tx) == 0);
}
- VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0);
+ VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_PUSHPAGE) == 0);
if (sav->sav_count == 0) {
VERIFY(nvlist_add_nvlist_array(nvroot, config, NULL, 0) == 0);
} else {
- list = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP);
+ list = kmem_alloc(sav->sav_count * sizeof (void *), KM_PUSHPAGE);
for (i = 0; i < sav->sav_count; i++)
list[i] = vdev_config_generate(spa, sav->sav_vdevs[i],
B_FALSE, VDEV_CONFIG_L2CACHE);
* properties.
*/
break;
+ case ZPOOL_PROP_COMMENT:
+ VERIFY(nvpair_value_string(elem, &strval) == 0);
+ if (spa->spa_comment != NULL)
+ spa_strfree(spa->spa_comment);
+ spa->spa_comment = spa_strdup(strval);
+ /*
+ * We need to dirty the configuration on all the vdevs
+ * so that their labels get updated. It's unnecessary
+ * to do this for pool creation since the vdev's
+ * configuratoin has already been dirtied.
+ */
+ if (tx->tx_txg != TXG_INITIAL)
+ vdev_config_dirty(spa->spa_root_vdev);
+ break;
default:
/*
* Set pool property values in the poolprops mos object.
git://git.camperquake.de / zfs.git / blobdiff