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Rebase master to b108

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This commit is contained in:
Brian Behlendorf
2009-02-18 12:51:31 -08:00
parent c65e71073f
commit d164b20935
39 changed files with 1091 additions and 739 deletions
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module/zfs/spa.c
+95 -49
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@@ -20,7 +20,7 @@
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -60,6 +60,10 @@
#include <sys/sunddi.h>
#include <sys/spa_boot.h>
#ifdef _KERNEL
#include <sys/zone.h>
#endif /* _KERNEL */
#include "zfs_prop.h"
#include "zfs_comutil.h"
@@ -110,38 +114,38 @@ spa_prop_add_list(nvlist_t *nvl, zpool_prop_t prop, char *strval,
static void
spa_prop_get_config(spa_t *spa, nvlist_t **nvp)
{
uint64_t size = spa_get_space(spa);
uint64_t used = spa_get_alloc(spa);
uint64_t size;
uint64_t used;
uint64_t cap, version;
zprop_source_t src = ZPROP_SRC_NONE;
spa_config_dirent_t *dp;
ASSERT(MUTEX_HELD(&spa->spa_props_lock));
/*
* readonly properties
*/
spa_prop_add_list(*nvp, ZPOOL_PROP_NAME, spa_name(spa), 0, src);
spa_prop_add_list(*nvp, ZPOOL_PROP_SIZE, NULL, size, src);
spa_prop_add_list(*nvp, ZPOOL_PROP_USED, NULL, used, src);
spa_prop_add_list(*nvp, ZPOOL_PROP_AVAILABLE, NULL, size - used, src);
if (spa->spa_root_vdev != NULL) {
size = spa_get_space(spa);
used = spa_get_alloc(spa);
spa_prop_add_list(*nvp, ZPOOL_PROP_NAME, spa_name(spa), 0, src);
spa_prop_add_list(*nvp, ZPOOL_PROP_SIZE, NULL, size, src);
spa_prop_add_list(*nvp, ZPOOL_PROP_USED, NULL, used, src);
spa_prop_add_list(*nvp, ZPOOL_PROP_AVAILABLE, NULL,
size - used, src);
cap = (size == 0) ? 0 : (used * 100 / size);
spa_prop_add_list(*nvp, ZPOOL_PROP_CAPACITY, NULL, cap, src);
cap = (size == 0) ? 0 : (used * 100 / size);
spa_prop_add_list(*nvp, ZPOOL_PROP_CAPACITY, NULL, cap, src);
spa_prop_add_list(*nvp, ZPOOL_PROP_HEALTH, NULL,
spa->spa_root_vdev->vdev_state, src);
version = spa_version(spa);
if (version == zpool_prop_default_numeric(ZPOOL_PROP_VERSION))
src = ZPROP_SRC_DEFAULT;
else
src = ZPROP_SRC_LOCAL;
spa_prop_add_list(*nvp, ZPOOL_PROP_VERSION, NULL, version, src);
}
spa_prop_add_list(*nvp, ZPOOL_PROP_GUID, NULL, spa_guid(spa), src);
spa_prop_add_list(*nvp, ZPOOL_PROP_HEALTH, NULL,
spa->spa_root_vdev->vdev_state, src);
/*
* settable properties that are not stored in the pool property object.
*/
version = spa_version(spa);
if (version == zpool_prop_default_numeric(ZPOOL_PROP_VERSION))
src = ZPROP_SRC_DEFAULT;
else
src = ZPROP_SRC_LOCAL;
spa_prop_add_list(*nvp, ZPOOL_PROP_VERSION, NULL, version, src);
if (spa->spa_root != NULL)
spa_prop_add_list(*nvp, ZPOOL_PROP_ALTROOT, spa->spa_root,
@@ -412,16 +416,60 @@ spa_prop_validate(spa_t *spa, nvlist_t *props)
return (error);
}
void
spa_configfile_set(spa_t *spa, nvlist_t *nvp, boolean_t need_sync)
{
char *cachefile;
spa_config_dirent_t *dp;
if (nvlist_lookup_string(nvp, zpool_prop_to_name(ZPOOL_PROP_CACHEFILE),
&cachefile) != 0)
return;
dp = kmem_alloc(sizeof (spa_config_dirent_t),
KM_SLEEP);
if (cachefile[0] == '\0')
dp->scd_path = spa_strdup(spa_config_path);
else if (strcmp(cachefile, "none") == 0)
dp->scd_path = NULL;
else
dp->scd_path = spa_strdup(cachefile);
list_insert_head(&spa->spa_config_list, dp);
if (need_sync)
spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE);
}
int
spa_prop_set(spa_t *spa, nvlist_t *nvp)
{
int error;
nvpair_t *elem;
boolean_t need_sync = B_FALSE;
zpool_prop_t prop;
if ((error = spa_prop_validate(spa, nvp)) != 0)
return (error);
return (dsl_sync_task_do(spa_get_dsl(spa), NULL, spa_sync_props,
spa, nvp, 3));
elem = NULL;
while ((elem = nvlist_next_nvpair(nvp, elem)) != NULL) {
if ((prop = zpool_name_to_prop(
nvpair_name(elem))) == ZPROP_INVAL)
return (EINVAL);
if (prop == ZPOOL_PROP_CACHEFILE || prop == ZPOOL_PROP_ALTROOT)
continue;
need_sync = B_TRUE;
break;
}
if (need_sync)
return (dsl_sync_task_do(spa_get_dsl(spa), NULL, spa_sync_props,
spa, nvp, 3));
else
return (0);
}
/*
@@ -1178,9 +1226,17 @@ spa_load(spa_t *spa, nvlist_t *config, spa_load_state_t state, int mosconfig)
VERIFY(nvlist_lookup_string(newconfig,
ZPOOL_CONFIG_HOSTNAME, &hostname) == 0);
#ifdef _KERNEL
myhostid = zone_get_hostid(NULL);
#else /* _KERNEL */
/*
* We're emulating the system's hostid in userland, so
* we can't use zone_get_hostid().
*/
(void) ddi_strtoul(hw_serial, NULL, 10, &myhostid);
#endif /* _KERNEL */
if (hostid != 0 && myhostid != 0 &&
(unsigned long)hostid != myhostid) {
hostid != myhostid) {
cmn_err(CE_WARN, "pool '%s' could not be "
"loaded as it was last accessed by "
"another system (host: %s hostid: 0x%lx). "
@@ -2071,8 +2127,10 @@ spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props,
spa->spa_bootfs = zpool_prop_default_numeric(ZPOOL_PROP_BOOTFS);
spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION);
spa->spa_failmode = zpool_prop_default_numeric(ZPOOL_PROP_FAILUREMODE);
if (props)
if (props != NULL) {
spa_configfile_set(spa, props, B_FALSE);
spa_sync_props(spa, props, CRED(), tx);
}
dmu_tx_commit(tx);
@@ -2090,10 +2148,10 @@ spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props,
if (version >= SPA_VERSION_ZPOOL_HISTORY && history_str != NULL)
(void) spa_history_log(spa, history_str, LOG_CMD_POOL_CREATE);
mutex_exit(&spa_namespace_lock);
spa->spa_minref = refcount_count(&spa->spa_refcount);
mutex_exit(&spa_namespace_lock);
return (0);
}
@@ -2176,6 +2234,9 @@ spa_import_common(const char *pool, nvlist_t *config, nvlist_t *props,
VDEV_ALLOC_L2CACHE);
spa_config_exit(spa, SCL_ALL, FTAG);
if (props != NULL)
spa_configfile_set(spa, props, B_FALSE);
if (error != 0 || (props && spa_writeable(spa) &&
(error = spa_prop_set(spa, props)))) {
if (loaderr != 0 && loaderr != EINVAL && allowfaulted) {
@@ -2494,6 +2555,7 @@ spa_tryimport(nvlist_t *tryconfig)
char *poolname;
spa_t *spa;
uint64_t state;
int error;
if (nvlist_lookup_string(tryconfig, ZPOOL_CONFIG_POOL_NAME, &poolname))
return (NULL);
@@ -2513,7 +2575,7 @@ spa_tryimport(nvlist_t *tryconfig)
* Pass TRUE for mosconfig because the user-supplied config
* is actually the one to trust when doing an import.
*/
(void) spa_load(spa, tryconfig, SPA_LOAD_TRYIMPORT, B_TRUE);
error = spa_load(spa, tryconfig, SPA_LOAD_TRYIMPORT, B_TRUE);
/*
* If 'tryconfig' was at least parsable, return the current config.
@@ -2532,7 +2594,7 @@ spa_tryimport(nvlist_t *tryconfig)
* copy it out so that external consumers can tell which
* pools are bootable.
*/
if (spa->spa_bootfs) {
if ((!error || error == EEXIST) && spa->spa_bootfs) {
char *tmpname = kmem_alloc(MAXPATHLEN, KM_SLEEP);
/*
@@ -3794,7 +3856,6 @@ spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx)
zpool_prop_t prop;
const char *propname;
zprop_type_t proptype;
spa_config_dirent_t *dp;
mutex_enter(&spa->spa_props_lock);
@@ -3827,23 +3888,8 @@ spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx)
case ZPOOL_PROP_CACHEFILE:
/*
* 'cachefile' is a non-persistent property, but note
* an async request that the config cache needs to be
* udpated.
* 'cachefile' is also a non-persisitent property.
*/
VERIFY(nvpair_value_string(elem, &strval) == 0);
dp = kmem_alloc(sizeof (spa_config_dirent_t), KM_SLEEP);
if (strval[0] == '\0')
dp->scd_path = spa_strdup(spa_config_path);
else if (strcmp(strval, "none") == 0)
dp->scd_path = NULL;
else
dp->scd_path = spa_strdup(strval);
list_insert_head(&spa->spa_config_list, dp);
spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE);
break;
default:
/*