fa9e4066f08beec538e775443c5be79dd423fcabahrens

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante

ecd6cf800b63704be73fb264c3f5b6e0dafc068dmarks#include <sys/cred.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/zfs_context.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dmu_objset.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dsl_dir.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dsl_dataset.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dsl_prop.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dsl_pool.h>

1d452cf5123cb6ac0a013a4dbd4dcceeb0da314dahrens#include <sys/dsl_synctask.h>

ecd6cf800b63704be73fb264c3f5b6e0dafc068dmarks#include <sys/dsl_deleg.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dnode.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dbuf.h>

a2eea2e101e6a163a537dcc6d4e3c4da2a0ea5b2ahrens#include <sys/zvol.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dmu_tx.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/zap.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/zil.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dmu_impl.h>

ecd6cf800b63704be73fb264c3f5b6e0dafc068dmarks#include <sys/zfs_ioctl.h>

0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum#include <sys/sa.h>

99d5e173470cf967aa87653364ed614299e7b511Tim Haley#include <sys/zfs_onexit.h>

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens#include <sys/dsl_destroy.h>

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen#include <sys/vdev.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Ericksonkrwlock_t os_lock;

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansenint dmu_find_threads = 0;

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen

af346df58864e8fe897b1ff1a3a4c12f9294391bNed Bassint dmu_rescan_dnode_threshold = 131072;

af346df58864e8fe897b1ff1a3a4c12f9294391bNed Bass

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansenstatic void dmu_objset_find_dp_cb(void *arg);

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Ericksondmu_objset_init(void)

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson{

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson rw_init(&os_lock, NULL, RW_DEFAULT, NULL);

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson}

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Ericksondmu_objset_fini(void)

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson{

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson rw_destroy(&os_lock);

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson}

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson

fa9e4066f08beec538e775443c5be79dd423fcabahrensspa_t *

fa9e4066f08beec538e775443c5be79dd423fcabahrensdmu_objset_spa(objset_t *os)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens return (os->os_spa);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrenszilog_t *

fa9e4066f08beec538e775443c5be79dd423fcabahrensdmu_objset_zil(objset_t *os)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens return (os->os_zil);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensdsl_pool_t *

fa9e4066f08beec538e775443c5be79dd423fcabahrensdmu_objset_pool(objset_t *os)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens dsl_dataset_t *ds;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens if ((ds = os->os_dsl_dataset) != NULL && ds->ds_dir)

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (ds->ds_dir->dd_pool);

fa9e4066f08beec538e775443c5be79dd423fcabahrens else

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens return (spa_get_dsl(os->os_spa));

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensdsl_dataset_t *

fa9e4066f08beec538e775443c5be79dd423fcabahrensdmu_objset_ds(objset_t *os)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens return (os->os_dsl_dataset);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensdmu_objset_type(objset_t *os)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens return (os->os_phys->os_type);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensdmu_objset_name(objset_t *os, char *buf)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens dsl_dataset_name(os->os_dsl_dataset, buf);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensdmu_objset_id(objset_t *os)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens dsl_dataset_t *ds = os->os_dsl_dataset;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (ds ? ds->ds_object : 0);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musantedmu_objset_syncprop(objset_t *os)

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante{

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante return (os->os_sync);

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante}

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrindmu_objset_logbias(objset_t *os)

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin{

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin return (os->os_logbias);

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin}

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void

fa9e4066f08beec538e775443c5be79dd423fcabahrenschecksum_changed_cb(void *arg, uint64_t newval)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens objset_t *os = arg;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(newval != ZIO_CHECKSUM_INHERIT);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_checksum = zio_checksum_select(newval, ZIO_CHECKSUM_ON_VALUE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void

fa9e4066f08beec538e775443c5be79dd423fcabahrenscompression_changed_cb(void *arg, uint64_t newval)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens objset_t *os = arg;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(newval != ZIO_COMPRESS_INHERIT);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

db1741f555ec79def5e9846e6bfd132248514ffeJustin T. Gibbs os->os_compress = zio_compress_select(os->os_spa, newval,

db1741f555ec79def5e9846e6bfd132248514ffeJustin T. Gibbs ZIO_COMPRESS_ON);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

d0ad202d2eff2cc0c70ee550686a703ddda7106cahrensstatic void

d0ad202d2eff2cc0c70ee550686a703ddda7106cahrenscopies_changed_cb(void *arg, uint64_t newval)

d0ad202d2eff2cc0c70ee550686a703ddda7106cahrens{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens objset_t *os = arg;

d0ad202d2eff2cc0c70ee550686a703ddda7106cahrens

d0ad202d2eff2cc0c70ee550686a703ddda7106cahrens /*

d0ad202d2eff2cc0c70ee550686a703ddda7106cahrens ASSERT(newval > 0);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens ASSERT(newval <= spa_max_replication(os->os_spa));

d0ad202d2eff2cc0c70ee550686a703ddda7106cahrens

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_copies = newval;

d0ad202d2eff2cc0c70ee550686a703ddda7106cahrens}

d0ad202d2eff2cc0c70ee550686a703ddda7106cahrens

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwickstatic void

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwickdedup_changed_cb(void *arg, uint64_t newval)

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick{

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick objset_t *os = arg;

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick spa_t *spa = os->os_spa;

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick enum zio_checksum checksum;

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick /*

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick ASSERT(newval != ZIO_CHECKSUM_INHERIT);

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick checksum = zio_checksum_dedup_select(spa, newval, ZIO_CHECKSUM_OFF);

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick os->os_dedup_checksum = checksum & ZIO_CHECKSUM_MASK;

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick os->os_dedup_verify = !!(checksum & ZIO_CHECKSUM_VERIFY);

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick}

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bekstatic void

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bekprimary_cache_changed_cb(void *arg, uint64_t newval)

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens objset_t *os = arg;

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek /*

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek ASSERT(newval == ZFS_CACHE_ALL || newval == ZFS_CACHE_NONE ||

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek newval == ZFS_CACHE_METADATA);

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_primary_cache = newval;

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek}

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bekstatic void

3baa08fc5b6bea08a475b0cfe3ad161d74c5864beksecondary_cache_changed_cb(void *arg, uint64_t newval)

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens objset_t *os = arg;

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek /*

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek ASSERT(newval == ZFS_CACHE_ALL || newval == ZFS_CACHE_NONE ||

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek newval == ZFS_CACHE_METADATA);

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_secondary_cache = newval;

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek}

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musantestatic void

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musantesync_changed_cb(void *arg, uint64_t newval)

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante{

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante objset_t *os = arg;

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante /*

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante ASSERT(newval == ZFS_SYNC_STANDARD || newval == ZFS_SYNC_ALWAYS ||

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante newval == ZFS_SYNC_DISABLED);

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante os->os_sync = newval;

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante if (os->os_zil)

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante zil_set_sync(os->os_zil, newval);

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante}

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrensstatic void

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrensredundant_metadata_changed_cb(void *arg, uint64_t newval)

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens{

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens objset_t *os = arg;

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens /*

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens ASSERT(newval == ZFS_REDUNDANT_METADATA_ALL ||

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens newval == ZFS_REDUNDANT_METADATA_MOST);

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens os->os_redundant_metadata = newval;

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens}

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrinstatic void

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrinlogbias_changed_cb(void *arg, uint64_t newval)

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin{

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin objset_t *os = arg;

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin ASSERT(newval == ZFS_LOGBIAS_LATENCY ||

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin newval == ZFS_LOGBIAS_THROUGHPUT);

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin os->os_logbias = newval;

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin if (os->os_zil)

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin zil_set_logbias(os->os_zil, newval);

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin}

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin

b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrensstatic void

b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrensrecordsize_changed_cb(void *arg, uint64_t newval)

b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens{

b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens objset_t *os = arg;

b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens

b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens os->os_recordsize = newval;

b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens}

b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensdmu_objset_byteswap(void *buf, size_t size)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens objset_phys_t *osp = buf;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens ASSERT(size == OBJSET_OLD_PHYS_SIZE || size == sizeof (objset_phys_t));

fa9e4066f08beec538e775443c5be79dd423fcabahrens dnode_byteswap(&osp->os_meta_dnode);

fa9e4066f08beec538e775443c5be79dd423fcabahrens byteswap_uint64_array(&osp->os_zil_header, sizeof (zil_header_t));

fa9e4066f08beec538e775443c5be79dd423fcabahrens osp->os_type = BSWAP_64(osp->os_type);

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens osp->os_flags = BSWAP_64(osp->os_flags);

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens if (size == sizeof (objset_phys_t)) {

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens dnode_byteswap(&osp->os_userused_dnode);

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens dnode_byteswap(&osp->os_groupused_dnode);

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockdmu_objset_open_impl(spa_t *spa, dsl_dataset_t *ds, blkptr_t *bp,

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens objset_t **osp)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens objset_t *os;

088f389458728c464569a5506b58070254fa4f7dahrens int i, err;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens ASSERT(ds == NULL || MUTEX_HELD(&ds->ds_opening_lock));

91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os = kmem_zalloc(sizeof (objset_t), KM_SLEEP);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_dsl_dataset = ds;

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_spa = spa;

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_rootbp = bp;

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens if (!BP_IS_HOLE(os->os_rootbp)) {

7adb730b589e553bf3b1ccfd9bae2df91c5c1061George Wilson arc_flags_t aflags = ARC_FLAG_WAIT;

7802d7bf98dec568dadf72286893b1fe5abd8602Matthew Ahrens zbookmark_phys_t zb;

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick SET_BOOKMARK(&zb, ds ? ds->ds_object : DMU_META_OBJSET,

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick ZB_ROOT_OBJECT, ZB_ROOT_LEVEL, ZB_ROOT_BLKID);

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens if (DMU_OS_IS_L2CACHEABLE(os))

7adb730b589e553bf3b1ccfd9bae2df91c5c1061George Wilson aflags |= ARC_FLAG_L2CACHE;

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens dprintf_bp(os->os_rootbp, "reading %s", "");

1b912ec7100c10e7243bf0879af0fe580e08c73dGeorge Wilson err = arc_read(NULL, spa, os->os_rootbp,

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens arc_getbuf_func, &os->os_phys_buf,

13506d1eefbbc37e2f12a0528831d9f6d4c361d7maybee ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &aflags, &zb);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (err != 0) {

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens kmem_free(os, sizeof (objset_t));

b87f3af36bb994656da117319f5129ddfd05ed21perrin /* convert checksum errors into IO errors */

b87f3af36bb994656da117319f5129ddfd05ed21perrin if (err == ECKSUM)

be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens err = SET_ERROR(EIO);

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (err);

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens /* Increase the blocksize if we are permitted. */

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens if (spa_version(spa) >= SPA_VERSION_USERSPACE &&

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens arc_buf_size(os->os_phys_buf) < sizeof (objset_phys_t)) {

5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel arc_buf_t *buf = arc_alloc_buf(spa, &os->os_phys_buf,

5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ARC_BUFC_METADATA, sizeof (objset_phys_t));

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens bzero(buf->b_data, sizeof (objset_phys_t));

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens bcopy(os->os_phys_buf->b_data, buf->b_data,

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens arc_buf_size(os->os_phys_buf));

dcbf3bd6a1f1360fc1afcee9e22c6dcff7844bf2George Wilson arc_buf_destroy(os->os_phys_buf, &os->os_phys_buf);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_phys_buf = buf;

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens }

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_phys = os->os_phys_buf->b_data;

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_flags = os->os_phys->os_flags;

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens int size = spa_version(spa) >= SPA_VERSION_USERSPACE ?

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens sizeof (objset_phys_t) : OBJSET_OLD_PHYS_SIZE;

5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel os->os_phys_buf = arc_alloc_buf(spa, &os->os_phys_buf,

5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ARC_BUFC_METADATA, size);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_phys = os->os_phys_buf->b_data;

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens bzero(os->os_phys, size);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens if (ds != NULL) {

9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8Matthew Ahrens boolean_t needlock = B_FALSE;

9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8Matthew Ahrens

9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8Matthew Ahrens /*

9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8Matthew Ahrens if (!dsl_pool_config_held(dmu_objset_pool(os))) {

9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8Matthew Ahrens needlock = B_TRUE;

9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8Matthew Ahrens dsl_pool_config_enter(dmu_objset_pool(os), FTAG);

9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8Matthew Ahrens }

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens err = dsl_prop_register(ds,

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens zfs_prop_to_name(ZFS_PROP_PRIMARYCACHE),

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens primary_cache_changed_cb, os);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (err == 0) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens err = dsl_prop_register(ds,

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens zfs_prop_to_name(ZFS_PROP_SECONDARYCACHE),

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens secondary_cache_changed_cb, os);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens }

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs if (!ds->ds_is_snapshot) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (err == 0) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens err = dsl_prop_register(ds,

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens zfs_prop_to_name(ZFS_PROP_CHECKSUM),

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens checksum_changed_cb, os);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens }

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (err == 0) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens err = dsl_prop_register(ds,

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens zfs_prop_to_name(ZFS_PROP_COMPRESSION),

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens compression_changed_cb, os);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens }

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (err == 0) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens err = dsl_prop_register(ds,

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens zfs_prop_to_name(ZFS_PROP_COPIES),

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens copies_changed_cb, os);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens }

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (err == 0) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens err = dsl_prop_register(ds,

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens zfs_prop_to_name(ZFS_PROP_DEDUP),

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick dedup_changed_cb, os);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens }

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (err == 0) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens err = dsl_prop_register(ds,

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens zfs_prop_to_name(ZFS_PROP_LOGBIAS),

e09fa4dacfb671e707d50a55ae9b5cc191e1b8cbNeil Perrin logbias_changed_cb, os);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens }

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (err == 0) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens err = dsl_prop_register(ds,

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens zfs_prop_to_name(ZFS_PROP_SYNC),

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante sync_changed_cb, os);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens }

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens if (err == 0) {

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens err = dsl_prop_register(ds,

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens zfs_prop_to_name(

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens ZFS_PROP_REDUNDANT_METADATA),

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens redundant_metadata_changed_cb, os);

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens }

b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens if (err == 0) {

b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens err = dsl_prop_register(ds,

b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens zfs_prop_to_name(ZFS_PROP_RECORDSIZE),

b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens recordsize_changed_cb, os);

b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens }

3baa08fc5b6bea08a475b0cfe3ad161d74c5864bek }

9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8Matthew Ahrens if (needlock)

9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8Matthew Ahrens dsl_pool_config_exit(dmu_objset_pool(os), FTAG);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (err != 0) {

dcbf3bd6a1f1360fc1afcee9e22c6dcff7844bf2George Wilson arc_buf_destroy(os->os_phys_buf, &os->os_phys_buf);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens kmem_free(os, sizeof (objset_t));

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (err);

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* It's the meta-objset. */

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_checksum = ZIO_CHECKSUM_FLETCHER_4;

db1741f555ec79def5e9846e6bfd132248514ffeJustin T. Gibbs os->os_compress = ZIO_COMPRESS_ON;

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_copies = spa_max_replication(spa);

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick os->os_dedup_checksum = ZIO_CHECKSUM_OFF;

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens os->os_dedup_verify = B_FALSE;

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens os->os_logbias = ZFS_LOGBIAS_LATENCY;

edf345e6b8342e8627ec20ce821a977a62cee19dMatthew Ahrens os->os_sync = ZFS_SYNC_STANDARD;

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_primary_cache = ZFS_CACHE_ALL;

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_secondary_cache = ZFS_CACHE_ALL;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs if (ds == NULL || !ds->ds_is_snapshot)

6e0cbcaa0c6f2bc34634a4cc17b099f9ecef03d1Matthew Ahrens os->os_zil_header = os->os_phys->os_zil_header;

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_zil = zil_alloc(os, &os->os_zil_header);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i < TXG_SIZE; i++) {

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens list_create(&os->os_dirty_dnodes[i], sizeof (dnode_t),

fa9e4066f08beec538e775443c5be79dd423fcabahrens offsetof(dnode_t, dn_dirty_link[i]));

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens list_create(&os->os_free_dnodes[i], sizeof (dnode_t),

fa9e4066f08beec538e775443c5be79dd423fcabahrens offsetof(dnode_t, dn_dirty_link[i]));

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens list_create(&os->os_dnodes, sizeof (dnode_t),

fa9e4066f08beec538e775443c5be79dd423fcabahrens offsetof(dnode_t, dn_link));

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens list_create(&os->os_downgraded_dbufs, sizeof (dmu_buf_impl_t),

fa9e4066f08beec538e775443c5be79dd423fcabahrens offsetof(dmu_buf_impl_t, db_link));

fa9e4066f08beec538e775443c5be79dd423fcabahrens

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens mutex_init(&os->os_lock, NULL, MUTEX_DEFAULT, NULL);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens mutex_init(&os->os_obj_lock, NULL, MUTEX_DEFAULT, NULL);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens mutex_init(&os->os_user_ptr_lock, NULL, MUTEX_DEFAULT, NULL);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs dnode_special_open(os, &os->os_phys->os_meta_dnode,

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs DMU_META_DNODE_OBJECT, &os->os_meta_dnode);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens if (arc_buf_size(os->os_phys_buf) >= sizeof (objset_phys_t)) {

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs dnode_special_open(os, &os->os_phys->os_userused_dnode,

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs DMU_USERUSED_OBJECT, &os->os_userused_dnode);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs dnode_special_open(os, &os->os_phys->os_groupused_dnode,

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs DMU_GROUPUSED_OBJECT, &os->os_groupused_dnode);

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens *osp = os;

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (0);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrensdmu_objset_from_ds(dsl_dataset_t *ds, objset_t **osp)

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens int err = 0;

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens

9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8Matthew Ahrens /*

9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8Matthew Ahrens ASSERT(dsl_pool_config_held(ds->ds_dir->dd_pool) ||

9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8Matthew Ahrens dsl_dataset_long_held(ds));

9c3fd1216fa7fb02cfbc78a2518a686d54b48ab8Matthew Ahrens

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens mutex_enter(&ds->ds_opening_lock);

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens if (ds->ds_objset == NULL) {

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens objset_t *os;

c166b69d29138aed7a415fe7cef698e54c6ae945Paul Dagnelie rrw_enter(&ds->ds_bp_rwlock, RW_READER, FTAG);

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens err = dmu_objset_open_impl(dsl_dataset_get_spa(ds),

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens ds, dsl_dataset_get_blkptr(ds), &os);

c166b69d29138aed7a415fe7cef698e54c6ae945Paul Dagnelie rrw_exit(&ds->ds_bp_rwlock, FTAG);

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens if (err == 0) {

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens mutex_enter(&ds->ds_lock);

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens ASSERT(ds->ds_objset == NULL);

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens ds->ds_objset = os;

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens mutex_exit(&ds->ds_lock);

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens }

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens }

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens *osp = ds->ds_objset;

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens mutex_exit(&ds->ds_opening_lock);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens return (err);

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens}

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrensdmu_objset_hold(const char *name, void *tag, objset_t **osp)

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens{

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_pool_t *dp;

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens dsl_dataset_t *ds;

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens int err;

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens err = dsl_pool_hold(name, tag, &dp);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (err != 0)

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens return (err);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens err = dsl_dataset_hold(dp, name, tag, &ds);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (err != 0) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_pool_rele(dp, tag);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens return (err);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens }

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens err = dmu_objset_from_ds(ds, osp);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (err != 0) {

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens dsl_dataset_rele(ds, tag);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_pool_rele(dp, tag);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens }

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens return (err);

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens}

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansenstatic int

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansendmu_objset_own_impl(dsl_dataset_t *ds, dmu_objset_type_t type,

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen boolean_t readonly, void *tag, objset_t **osp)

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen{

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen int err;

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen err = dmu_objset_from_ds(ds, osp);

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen if (err != 0) {

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen dsl_dataset_disown(ds, tag);

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen } else if (type != DMU_OST_ANY && type != (*osp)->os_phys->os_type) {

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen dsl_dataset_disown(ds, tag);

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen return (SET_ERROR(EINVAL));

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen } else if (!readonly && dsl_dataset_is_snapshot(ds)) {

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen dsl_dataset_disown(ds, tag);

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen return (SET_ERROR(EROFS));

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen }

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen return (err);

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen}

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrensdmu_objset_own(const char *name, dmu_objset_type_t type,

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens boolean_t readonly, void *tag, objset_t **osp)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_pool_t *dp;

f18faf3f3e5def85fdfff681617d227703ace2adek dsl_dataset_t *ds;

f18faf3f3e5def85fdfff681617d227703ace2adek int err;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens err = dsl_pool_hold(name, FTAG, &dp);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (err != 0)

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens return (err);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens err = dsl_dataset_own(dp, name, tag, &ds);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (err != 0) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_pool_rele(dp, FTAG);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (err);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens }

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen err = dmu_objset_own_impl(ds, type, readonly, tag, osp);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_pool_rele(dp, FTAG);

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen

3cb34c601f3ef3016f638574f5982e80c3735c71ahrens return (err);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansendmu_objset_own_obj(dsl_pool_t *dp, uint64_t obj, dmu_objset_type_t type,

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen boolean_t readonly, void *tag, objset_t **osp)

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen{

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen dsl_dataset_t *ds;

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen int err;

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen err = dsl_dataset_own_obj(dp, obj, tag, &ds);

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen if (err != 0)

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen return (err);

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen return (dmu_objset_own_impl(ds, type, readonly, tag, osp));

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen}

12380e1e701fda28c9e9f32d01cafb54af279eb5Arne Jansen

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrensdmu_objset_rele(objset_t *os, void *tag)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_pool_t *dp = dmu_objset_pool(os);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens dsl_dataset_rele(os->os_dsl_dataset, tag);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_pool_rele(dp, tag);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens}

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowskidmu_objset_refresh_ownership(objset_t *os, void *tag)

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski{

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski dsl_pool_t *dp;

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski dsl_dataset_t *ds, *newds;

9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens char name[ZFS_MAX_DATASET_NAME_LEN];

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski ds = os->os_dsl_dataset;

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski VERIFY3P(ds, !=, NULL);

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski VERIFY3P(ds->ds_owner, ==, tag);

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski VERIFY(dsl_dataset_long_held(ds));

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski dsl_dataset_name(ds, name);

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski dp = dmu_objset_pool(os);

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski dsl_pool_config_enter(dp, FTAG);

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski dmu_objset_disown(os, tag);

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski VERIFY0(dsl_dataset_own(dp, name, tag, &newds));

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski VERIFY3P(newds, ==, os->os_dsl_dataset);

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski dsl_pool_config_exit(dp, FTAG);

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski}

91948b51b8e978ddc88a36b2bc3ae83c20cdc9aaKeith M Wesolowski

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrensdmu_objset_disown(objset_t *os, void *tag)

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens dsl_dataset_disown(os->os_dsl_dataset, tag);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

1934e92fc930c49429ad71a8ca97340f33227e78maybeedmu_objset_evict_dbufs(objset_t *os)

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock{

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs dnode_t dn_marker;

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock dnode_t *dn;

c543ec060d1359f6c8a9507242521f344a2ac3efahrens

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens mutex_enter(&os->os_lock);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs dn = list_head(&os->os_dnodes);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs while (dn != NULL) {

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs /*

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs if (dnode_add_ref(dn, FTAG)) {

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs list_insert_after(&os->os_dnodes, dn, &dn_marker);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs mutex_exit(&os->os_lock);

c543ec060d1359f6c8a9507242521f344a2ac3efahrens

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs dnode_evict_dbufs(dn);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs dnode_rele(dn, FTAG);

c543ec060d1359f6c8a9507242521f344a2ac3efahrens

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs mutex_enter(&os->os_lock);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs dn = list_next(&os->os_dnodes, &dn_marker);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs list_remove(&os->os_dnodes, &dn_marker);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs } else {

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs dn = list_next(&os->os_dnodes, dn);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs }

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens mutex_exit(&os->os_lock);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs if (DMU_USERUSED_DNODE(os) != NULL) {

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs dnode_evict_dbufs(DMU_GROUPUSED_DNODE(os));

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs dnode_evict_dbufs(DMU_USERUSED_DNODE(os));

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs }

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs dnode_evict_dbufs(DMU_META_DNODE(os));

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock}

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrensdmu_objset_evict(objset_t *os)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens dsl_dataset_t *ds = os->os_dsl_dataset;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick for (int t = 0; t < TXG_SIZE; t++)

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick ASSERT(!dmu_objset_is_dirty(os, t));

fa9e4066f08beec538e775443c5be79dd423fcabahrens

03bad06fbb261fd4a7151a70dfeff2f5041cce1fJustin Gibbs if (ds)

03bad06fbb261fd4a7151a70dfeff2f5041cce1fJustin Gibbs dsl_prop_unregister_all(ds, os);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (os->os_sa)

0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_tear_down(os);

0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dmu_objset_evict_dbufs(os);

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs mutex_enter(&os->os_lock);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs spa_evicting_os_register(os->os_spa, os);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs if (list_is_empty(&os->os_dnodes)) {

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs mutex_exit(&os->os_lock);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs dmu_objset_evict_done(os);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs } else {

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs mutex_exit(&os->os_lock);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs }

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs}

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbsdmu_objset_evict_done(objset_t *os)

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs{

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs ASSERT3P(list_head(&os->os_dnodes), ==, NULL);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson dnode_special_close(&os->os_meta_dnode);

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson if (DMU_USERUSED_DNODE(os)) {

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson dnode_special_close(&os->os_userused_dnode);

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson dnode_special_close(&os->os_groupused_dnode);

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens }

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens zil_free(os->os_zil);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

dcbf3bd6a1f1360fc1afcee9e22c6dcff7844bf2George Wilson arc_buf_destroy(os->os_phys_buf, &os->os_phys_buf);

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson /*

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson rw_enter(&os_lock, RW_READER);

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson rw_exit(&os_lock);

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens mutex_destroy(&os->os_lock);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens mutex_destroy(&os->os_obj_lock);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens mutex_destroy(&os->os_user_ptr_lock);

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs spa_evicting_os_deregister(os->os_spa, os);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens kmem_free(os, sizeof (objset_t));

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

71eb05381846ad14a2087631474e832d0f316654Chris Kirbydmu_objset_snap_cmtime(objset_t *os)

71eb05381846ad14a2087631474e832d0f316654Chris Kirby{

71eb05381846ad14a2087631474e832d0f316654Chris Kirby return (dsl_dir_snap_cmtime(os->os_dsl_dataset->ds_dir));

71eb05381846ad14a2087631474e832d0f316654Chris Kirby}

71eb05381846ad14a2087631474e832d0f316654Chris Kirby

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrensobjset_t *

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybeedmu_objset_create_impl(spa_t *spa, dsl_dataset_t *ds, blkptr_t *bp,

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee dmu_objset_type_t type, dmu_tx_t *tx)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens objset_t *os;

fa9e4066f08beec538e775443c5be79dd423fcabahrens dnode_t *mdn;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(dmu_tx_is_syncing(tx));

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens

feaa74e41c407fe56e66a47e097c2842d4f65b9fMark Maybee if (ds != NULL)

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens VERIFY0(dmu_objset_from_ds(ds, &os));

feaa74e41c407fe56e66a47e097c2842d4f65b9fMark Maybee else

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens VERIFY0(dmu_objset_open_impl(spa, NULL, bp, &os));

feaa74e41c407fe56e66a47e097c2842d4f65b9fMark Maybee

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson mdn = DMU_META_DNODE(os);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens dnode_allocate(mdn, DMU_OT_DNODE, 1 << DNODE_BLOCK_SHIFT,

fa9e4066f08beec538e775443c5be79dd423fcabahrens DN_MAX_INDBLKSHIFT, DMU_OT_NONE, 0, tx);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (ds != NULL) {

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock int levels = 1;

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*

4b5c8e93cab28d3c65ba9d407fd8f46e3be1db1cMatthew Ahrens while ((uint64_t)mdn->dn_nblkptr <<

4b5c8e93cab28d3c65ba9d407fd8f46e3be1db1cMatthew Ahrens (mdn->dn_datablkshift - DNODE_SHIFT +

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock (levels - 1) * (mdn->dn_indblkshift - SPA_BLKPTRSHIFT)) <

4b5c8e93cab28d3c65ba9d407fd8f46e3be1db1cMatthew Ahrens DN_MAX_OBJECT)

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock levels++;

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdn->dn_next_nlevels[tx->tx_txg & TXG_MASK] =

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock mdn->dn_nlevels = levels;

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(type != DMU_OST_NONE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(type != DMU_OST_ANY);

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(type < DMU_OST_NUMTYPES);

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_phys->os_type = type;

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens if (dmu_objset_userused_enabled(os)) {

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_phys->os_flags |= OBJSET_FLAG_USERACCOUNTING_COMPLETE;

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens os->os_flags = os->os_phys->os_flags;

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens dsl_dataset_dirty(ds, tx);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens return (os);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrenstypedef struct dmu_objset_create_arg {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens const char *doca_name;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens cred_t *doca_cred;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens void (*doca_userfunc)(objset_t *os, void *arg,

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens cred_t *cr, dmu_tx_t *tx);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens void *doca_userarg;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dmu_objset_type_t doca_type;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens uint64_t doca_flags;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens} dmu_objset_create_arg_t;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrensdmu_objset_create_check(void *arg, dmu_tx_t *tx)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dmu_objset_create_arg_t *doca = arg;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_pool_t *dp = dmu_tx_pool(tx);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dir_t *pdd;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens const char *tail;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens int error;

1d452cf5123cb6ac0a013a4dbd4dcceeb0da314dahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (strchr(doca->doca_name, '@') != NULL)

be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens return (SET_ERROR(EINVAL));

1d452cf5123cb6ac0a013a4dbd4dcceeb0da314dahrens

9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens if (strlen(doca->doca_name) >= ZFS_MAX_DATASET_NAME_LEN)

9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens return (SET_ERROR(ENAMETOOLONG));

9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens error = dsl_dir_hold(dp, doca->doca_name, FTAG, &pdd, &tail);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (error != 0)

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens return (error);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (tail == NULL) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dir_rele(pdd, FTAG);

be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens return (SET_ERROR(EEXIST));

1d452cf5123cb6ac0a013a4dbd4dcceeb0da314dahrens }

a2afb611b30628fb74ad9eade4ae465f9031e262Jerry Jelinek error = dsl_fs_ss_limit_check(pdd, 1, ZFS_PROP_FILESYSTEM_LIMIT, NULL,

a2afb611b30628fb74ad9eade4ae465f9031e262Jerry Jelinek doca->doca_cred);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dir_rele(pdd, FTAG);

ecd6cf800b63704be73fb264c3f5b6e0dafc068dmarks

a2afb611b30628fb74ad9eade4ae465f9031e262Jerry Jelinek return (error);

1d452cf5123cb6ac0a013a4dbd4dcceeb0da314dahrens}

1d452cf5123cb6ac0a013a4dbd4dcceeb0da314dahrens

1d452cf5123cb6ac0a013a4dbd4dcceeb0da314dahrensstatic void

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrensdmu_objset_create_sync(void *arg, dmu_tx_t *tx)

1d452cf5123cb6ac0a013a4dbd4dcceeb0da314dahrens{

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dmu_objset_create_arg_t *doca = arg;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_pool_t *dp = dmu_tx_pool(tx);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dir_t *pdd;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens const char *tail;

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens dsl_dataset_t *ds;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens uint64_t obj;

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens blkptr_t *bp;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens objset_t *os;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens VERIFY0(dsl_dir_hold(dp, doca->doca_name, FTAG, &pdd, &tail));

fa9e4066f08beec538e775443c5be79dd423fcabahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens obj = dsl_dataset_create_sync(pdd, tail, NULL, doca->doca_flags,

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens doca->doca_cred, tx);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens VERIFY0(dsl_dataset_hold_obj(pdd->dd_pool, obj, FTAG, &ds));

c166b69d29138aed7a415fe7cef698e54c6ae945Paul Dagnelie rrw_enter(&ds->ds_bp_rwlock, RW_READER, FTAG);

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens bp = dsl_dataset_get_blkptr(ds);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens os = dmu_objset_create_impl(pdd->dd_pool->dp_spa,

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens ds, bp, doca->doca_type, tx);

c166b69d29138aed7a415fe7cef698e54c6ae945Paul Dagnelie rrw_exit(&ds->ds_bp_rwlock, FTAG);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (doca->doca_userfunc != NULL) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens doca->doca_userfunc(os, doca->doca_userarg,

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens doca->doca_cred, tx);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

ecd6cf800b63704be73fb264c3f5b6e0dafc068dmarks

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens spa_history_log_internal_ds(ds, "create", tx, "");

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens dsl_dataset_rele(ds, FTAG);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dir_rele(pdd, FTAG);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

ae46e4c775f2becc5343ff90b60a95acb79735f9Matthew Ahrensdmu_objset_create(const char *name, dmu_objset_type_t type, uint64_t flags,

ecd6cf800b63704be73fb264c3f5b6e0dafc068dmarks void (*func)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx), void *arg)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dmu_objset_create_arg_t doca;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens doca.doca_name = name;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens doca.doca_cred = CRED();

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens doca.doca_flags = flags;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens doca.doca_userfunc = func;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens doca.doca_userarg = arg;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens doca.doca_type = type;

ecd6cf800b63704be73fb264c3f5b6e0dafc068dmarks

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens return (dsl_sync_task(name,

7d46dc6ca63a6f3f0d51aa655bfcf10cf2405a9eMatthew Ahrens dmu_objset_create_check, dmu_objset_create_sync, &doca,

7d46dc6ca63a6f3f0d51aa655bfcf10cf2405a9eMatthew Ahrens 5, ZFS_SPACE_CHECK_NORMAL));

ae46e4c775f2becc5343ff90b60a95acb79735f9Matthew Ahrens}

ae46e4c775f2becc5343ff90b60a95acb79735f9Matthew Ahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrenstypedef struct dmu_objset_clone_arg {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens const char *doca_clone;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens const char *doca_origin;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens cred_t *doca_cred;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens} dmu_objset_clone_arg_t;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrensstatic int

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrensdmu_objset_clone_check(void *arg, dmu_tx_t *tx)

ae46e4c775f2becc5343ff90b60a95acb79735f9Matthew Ahrens{

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dmu_objset_clone_arg_t *doca = arg;

ae46e4c775f2becc5343ff90b60a95acb79735f9Matthew Ahrens dsl_dir_t *pdd;

ae46e4c775f2becc5343ff90b60a95acb79735f9Matthew Ahrens const char *tail;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens int error;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dataset_t *origin;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_pool_t *dp = dmu_tx_pool(tx);

ae46e4c775f2becc5343ff90b60a95acb79735f9Matthew Ahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (strchr(doca->doca_clone, '@') != NULL)

be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens return (SET_ERROR(EINVAL));

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens

9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens if (strlen(doca->doca_clone) >= ZFS_MAX_DATASET_NAME_LEN)

9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens return (SET_ERROR(ENAMETOOLONG));

9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens error = dsl_dir_hold(dp, doca->doca_clone, FTAG, &pdd, &tail);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (error != 0)

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens return (error);

ae46e4c775f2becc5343ff90b60a95acb79735f9Matthew Ahrens if (tail == NULL) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dir_rele(pdd, FTAG);

be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens return (SET_ERROR(EEXIST));

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

03b1c2971d24a9cd2c073d634f7e074fbd14e984Alexander Eremin

a2afb611b30628fb74ad9eade4ae465f9031e262Jerry Jelinek error = dsl_fs_ss_limit_check(pdd, 1, ZFS_PROP_FILESYSTEM_LIMIT, NULL,

a2afb611b30628fb74ad9eade4ae465f9031e262Jerry Jelinek doca->doca_cred);

a2afb611b30628fb74ad9eade4ae465f9031e262Jerry Jelinek if (error != 0) {

a2afb611b30628fb74ad9eade4ae465f9031e262Jerry Jelinek dsl_dir_rele(pdd, FTAG);

a2afb611b30628fb74ad9eade4ae465f9031e262Jerry Jelinek return (SET_ERROR(EDQUOT));

a2afb611b30628fb74ad9eade4ae465f9031e262Jerry Jelinek }

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dir_rele(pdd, FTAG);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens error = dsl_dataset_hold(dp, doca->doca_origin, FTAG, &origin);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (error != 0)

99d5e173470cf967aa87653364ed614299e7b511Tim Haley return (error);

99d5e173470cf967aa87653364ed614299e7b511Tim Haley

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens /* You can only clone snapshots, not the head datasets. */

bc9014e6a81272073b9854d9f65dd59e18d18c35Justin Gibbs if (!origin->ds_is_snapshot) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dataset_rele(origin, FTAG);

be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens return (SET_ERROR(EINVAL));

92241e0b80813d0b83c08e730a29b9d1831794fcTom Erickson }

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dataset_rele(origin, FTAG);

99d5e173470cf967aa87653364ed614299e7b511Tim Haley

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens return (0);

ea2f5b9e5bf4966630882d6d681a94768aea1d75Matthew Ahrens}

1d452cf5123cb6ac0a013a4dbd4dcceeb0da314dahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrensstatic void

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrensdmu_objset_clone_sync(void *arg, dmu_tx_t *tx)

1d452cf5123cb6ac0a013a4dbd4dcceeb0da314dahrens{

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dmu_objset_clone_arg_t *doca = arg;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_pool_t *dp = dmu_tx_pool(tx);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dir_t *pdd;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens const char *tail;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dataset_t *origin, *ds;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens uint64_t obj;

9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens char namebuf[ZFS_MAX_DATASET_NAME_LEN];

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens VERIFY0(dsl_dir_hold(dp, doca->doca_clone, FTAG, &pdd, &tail));

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens VERIFY0(dsl_dataset_hold(dp, doca->doca_origin, FTAG, &origin));

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens obj = dsl_dataset_create_sync(pdd, tail, origin, 0,

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens doca->doca_cred, tx);

f2e10be362b3fc6eaf310dda16def5e283574b53rm

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens VERIFY0(dsl_dataset_hold_obj(pdd->dd_pool, obj, FTAG, &ds));

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dataset_name(origin, namebuf);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens spa_history_log_internal_ds(ds, "clone", tx,

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens "origin=%s (%llu)", namebuf, origin->ds_object);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dataset_rele(ds, FTAG);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dataset_rele(origin, FTAG);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dsl_dir_rele(pdd, FTAG);

1d452cf5123cb6ac0a013a4dbd4dcceeb0da314dahrens}

1d452cf5123cb6ac0a013a4dbd4dcceeb0da314dahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrensdmu_objset_clone(const char *clone, const char *origin)

1d452cf5123cb6ac0a013a4dbd4dcceeb0da314dahrens{

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens dmu_objset_clone_arg_t doca;

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens doca.doca_clone = clone;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens doca.doca_origin = origin;

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens doca.doca_cred = CRED();

99d5e173470cf967aa87653364ed614299e7b511Tim Haley

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens return (dsl_sync_task(clone,

7d46dc6ca63a6f3f0d51aa655bfcf10cf2405a9eMatthew Ahrens dmu_objset_clone_check, dmu_objset_clone_sync, &doca,

7d46dc6ca63a6f3f0d51aa655bfcf10cf2405a9eMatthew Ahrens 5, ZFS_SPACE_CHECK_NORMAL));

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens}

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrensdmu_objset_snapshot_one(const char *fsname, const char *snapname)

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens{

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens int err;

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens char *longsnap = kmem_asprintf("%s@%s", fsname, snapname);

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens nvlist_t *snaps = fnvlist_alloc();

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens fnvlist_add_boolean(snaps, longsnap);

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens strfree(longsnap);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens err = dsl_dataset_snapshot(snaps, NULL, NULL);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens fnvlist_free(snaps);

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens return (err);

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens}

4445fffbbb1ea25fd0e9ea68b9380dd7a6709025Matthew Ahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrensdmu_objset_sync_dnodes(list_t *list, list_t *newlist, dmu_tx_t *tx)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee dnode_t *dn;

faafa6e33cc19afb09172d9a365a59da0dbfd965ahrens

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee while (dn = list_head(list)) {

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee ASSERT(dn->dn_object != DMU_META_DNODE_OBJECT);

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee ASSERT(dn->dn_dbuf->db_data_pending);

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee /*

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee dn->dn_zio = dn->dn_dbuf->db_data_pending->dr_zio;

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee ASSERT(dn->dn_zio);

faafa6e33cc19afb09172d9a365a59da0dbfd965ahrens

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee ASSERT3U(dn->dn_nlevels, <=, DN_MAX_LEVELS);

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee list_remove(list, dn);

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens if (newlist) {

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens (void) dnode_add_ref(dn, newlist);

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens list_insert_tail(newlist, dn);

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens }

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee dnode_sync(dn, tx);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwickdmu_objset_write_ready(zio_t *zio, arc_buf_t *abuf, void *arg)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick blkptr_t *bp = zio->io_bp;

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrens objset_t *os = arg;

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee dnode_phys_t *dnp = &os->os_phys->os_meta_dnode;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens ASSERT(!BP_IS_EMBEDDED(bp));

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens ASSERT3U(BP_GET_TYPE(bp), ==, DMU_OT_OBJSET);

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens ASSERT0(BP_GET_LEVEL(bp));

0a4e9518a44f226be6d39383330b5b1792d2f184gw

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens bp->blk_fill = 0;

e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick for (int i = 0; i < dnp->dn_nblkptr; i++)

5d7b4d438c4a51eccc95e77a83a437b4d48380ebMatthew Ahrens bp->blk_fill += BP_GET_FILL(&dnp->dn_blkptr[i]);

c166b69d29138aed7a415fe7cef698e54c6ae945Paul Dagnelie if (os->os_dsl_dataset != NULL)

c166b69d29138aed7a415fe7cef698e54c6ae945Paul Dagnelie rrw_enter(&os->os_dsl_dataset->ds_bp_rwlock, RW_WRITER, FTAG);

c166b69d29138aed7a415fe7cef698e54c6ae945Paul Dagnelie *os->os_rootbp = *bp;

c166b69d29138aed7a415fe7cef698e54c6ae945Paul Dagnelie if (os->os_dsl_dataset != NULL)

c166b69d29138aed7a415fe7cef698e54c6ae945Paul Dagnelie rrw_exit(&os->os_dsl_dataset->ds_bp_rwlock, FTAG);

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick}

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwickstatic void

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwickdmu_objset_write_done(zio_t *zio, arc_buf_t *abuf, void *arg)

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick{

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick blkptr_t *bp = zio->io_bp;

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick blkptr_t *bp_orig = &zio->io_bp_orig;

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick objset_t *os = arg;

0a4e9518a44f226be6d39383330b5b1792d2f184gw

e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick if (zio->io_flags & ZIO_FLAG_IO_REWRITE) {

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick ASSERT(BP_EQUAL(bp, bp_orig));

e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick } else {

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick dsl_dataset_t *ds = os->os_dsl_dataset;

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick dmu_tx_t *tx = os->os_synctx;

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick (void) dsl_dataset_block_kill(ds, bp_orig, tx, B_TRUE);

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick dsl_dataset_block_born(ds, bp, tx);

0a4e9518a44f226be6d39383330b5b1792d2f184gw }

c166b69d29138aed7a415fe7cef698e54c6ae945Paul Dagnelie kmem_free(bp, sizeof (*bp));

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee}

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrensdmu_objset_sync(objset_t *os, zio_t *pio, dmu_tx_t *tx)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens int txgoff;

7802d7bf98dec568dadf72286893b1fe5abd8602Matthew Ahrens zbookmark_phys_t zb;

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick zio_prop_t zp;

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee zio_t *zio;

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee list_t *list;

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens list_t *newlist = NULL;

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee dbuf_dirty_record_t *dr;

c166b69d29138aed7a415fe7cef698e54c6ae945Paul Dagnelie blkptr_t *blkptr_copy = kmem_alloc(sizeof (*os->os_rootbp), KM_SLEEP);

c166b69d29138aed7a415fe7cef698e54c6ae945Paul Dagnelie *blkptr_copy = *os->os_rootbp;

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee dprintf_ds(os->os_dsl_dataset, "txg=%llu\n", tx->tx_txg);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(dmu_tx_is_syncing(tx));

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* XXX the write_done callback should really give us the tx... */

fa9e4066f08beec538e775443c5be79dd423fcabahrens os->os_synctx = tx;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

87bd5c1ed737e21cdf359451c9715fae0ba4927eahrens if (os->os_dsl_dataset == NULL) {

87bd5c1ed737e21cdf359451c9715fae0ba4927eahrens /*

87bd5c1ed737e21cdf359451c9715fae0ba4927eahrens os->os_copies = spa_max_replication(os->os_spa);

87bd5c1ed737e21cdf359451c9715fae0ba4927eahrens }

87bd5c1ed737e21cdf359451c9715fae0ba4927eahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick SET_BOOKMARK(&zb, os->os_dsl_dataset ?

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick os->os_dsl_dataset->ds_object : DMU_META_OBJSET,

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick ZB_ROOT_OBJECT, ZB_ROOT_LEVEL, ZB_ROOT_BLKID);

1b912ec7100c10e7243bf0879af0fe580e08c73dGeorge Wilson arc_release(os->os_phys_buf, &os->os_phys_buf);

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick

5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel dmu_write_policy(os, NULL, 0, 0, ZIO_COMPRESS_INHERIT, &zp);

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick zio = arc_write(pio, os->os_spa, tx->tx_txg,

c166b69d29138aed7a415fe7cef698e54c6ae945Paul Dagnelie blkptr_copy, os->os_phys_buf, DMU_OS_IS_L2CACHEABLE(os),

8df0bcf0df7622a075cc6e52f659d2fcfdd08cdcPaul Dagnelie &zp, dmu_objset_write_ready, NULL, NULL, dmu_objset_write_done,

8df0bcf0df7622a075cc6e52f659d2fcfdd08cdcPaul Dagnelie os, ZIO_PRIORITY_ASYNC_WRITE, ZIO_FLAG_MUSTSUCCEED, &zb);

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee /*

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson DMU_META_DNODE(os)->dn_zio = zio;

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson dnode_sync(DMU_META_DNODE(os), tx);

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens os->os_phys->os_flags = os->os_flags;

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson if (DMU_USERUSED_DNODE(os) &&

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson DMU_USERUSED_DNODE(os)->dn_type != DMU_OT_NONE) {

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson DMU_USERUSED_DNODE(os)->dn_zio = zio;

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson dnode_sync(DMU_USERUSED_DNODE(os), tx);

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson DMU_GROUPUSED_DNODE(os)->dn_zio = zio;

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson dnode_sync(DMU_GROUPUSED_DNODE(os), tx);

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens }

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee txgoff = tx->tx_txg & TXG_MASK;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens if (dmu_objset_userused_enabled(os)) {

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens newlist = &os->os_synced_dnodes;

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens /*

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens list_create(newlist, sizeof (dnode_t),

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens offsetof(dnode_t, dn_dirty_link[txgoff]));

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens }

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens dmu_objset_sync_dnodes(&os->os_free_dnodes[txgoff], newlist, tx);

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens dmu_objset_sync_dnodes(&os->os_dirty_dnodes[txgoff], newlist, tx);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson list = &DMU_META_DNODE(os)->dn_dirty_records[txgoff];

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee while (dr = list_head(list)) {

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens ASSERT0(dr->dr_dbuf->db_level);

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee list_remove(list, dr);

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee if (dr->dr_zio)

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee zio_nowait(dr->dr_zio);

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee }

af346df58864e8fe897b1ff1a3a4c12f9294391bNed Bass

af346df58864e8fe897b1ff1a3a4c12f9294391bNed Bass /* Enable dnode backfill if enough objects have been freed. */

af346df58864e8fe897b1ff1a3a4c12f9294391bNed Bass if (os->os_freed_dnodes >= dmu_rescan_dnode_threshold) {

af346df58864e8fe897b1ff1a3a4c12f9294391bNed Bass os->os_rescan_dnodes = B_TRUE;

af346df58864e8fe897b1ff1a3a4c12f9294391bNed Bass os->os_freed_dnodes = 0;

af346df58864e8fe897b1ff1a3a4c12f9294391bNed Bass }

af346df58864e8fe897b1ff1a3a4c12f9294391bNed Bass

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee /*

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee zil_sync(os->os_zil, tx);

088f389458728c464569a5506b58070254fa4f7dahrens os->os_phys->os_zil_header = os->os_zil_header;

c717a56157ae0e6fca6a1e3689ae1edc385716a3maybee zio_nowait(zio);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwickdmu_objset_is_dirty(objset_t *os, uint64_t txg)

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick{

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick return (!list_is_empty(&os->os_dirty_dnodes[txg & TXG_MASK]) ||

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick !list_is_empty(&os->os_free_dnodes[txg & TXG_MASK]));

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick}

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Ericksonstatic objset_used_cb_t *used_cbs[DMU_OST_NUMTYPES];

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrensdmu_objset_register_type(dmu_objset_type_t ost, objset_used_cb_t *cb)

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens{

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens used_cbs[ost] = cb;

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens}

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens

503ad85c168c7992ccc310af845a581cff3c72b5Matthew Ahrensdmu_objset_userused_enabled(objset_t *os)

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens{

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens return (spa_version(os->os_spa) >= SPA_VERSION_USERSPACE &&

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson used_cbs[os->os_phys->os_type] != NULL &&

744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson DMU_USERUSED_DNODE(os) != NULL);

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens}

148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrenstypedef struct userquota_node {

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens uint64_t uqn_id;

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens int64_t uqn_delta;

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens avl_node_t uqn_node;

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens} userquota_node_t;

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrenstypedef struct userquota_cache {

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens avl_tree_t uqc_user_deltas;

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens avl_tree_t uqc_group_deltas;

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens} userquota_cache_t;

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrensstatic int

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrensuserquota_compare(const void *l, const void *r)

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens{

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens const userquota_node_t *luqn = l;

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens const userquota_node_t *ruqn = r;

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens if (luqn->uqn_id < ruqn->uqn_id)

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens return (-1);

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens if (luqn->uqn_id > ruqn->uqn_id)

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens return (1);

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens return (0);

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens}

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens

9966ca11f4a1481acce85f690fa59e4084050627Matthew Ahrensstatic void

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrensdo_userquota_cacheflush(objset_t *os, userquota_cache_t *cache, dmu_tx_t *tx)

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens{

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens void *cookie;

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens userquota_node_t *uqn;

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens ASSERT(dmu_tx_is_syncing(tx));

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens cookie = NULL;

8b70546b0a686e4eee3d28878728f3b3ce980b06Matthew Ahrens while ((uqn = avl_destroy_nodes(&cache->uqc_user_deltas,