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Illumos 4171, 4172

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4171 clean up spa_feature_*() interfaces
4172 implement extensible_dataset feature for use by other zpool features

Reviewed by: Max Grossman <max.grossman@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Approved by: Garrett D'Amore <garrett@damore.org>a

References:
  https://www.illumos.org/issues/4171
  https://www.illumos.org/issues/4172
  https://github.com/illumos/illumos-gate/commit/2acef22

Ported-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2528
This commit is contained in:
Matthew Ahrens
2013-10-08 09:13:05 -08:00
committed by Brian Behlendorf
parent 62b6939308
commit fa86b5dbb6
27 changed files with 369 additions and 276 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/space_map.c
+8 -12
View File
@@ -482,8 +482,6 @@ space_map_truncate(space_map_t *sm, dmu_tx_t *tx)
{
objset_t *os = sm->sm_os;
spa_t *spa = dmu_objset_spa(os);
zfeature_info_t *space_map_histogram =
&spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM];
dmu_object_info_t doi;
int bonuslen;
@@ -493,7 +491,7 @@ space_map_truncate(space_map_t *sm, dmu_tx_t *tx)
VERIFY0(dmu_free_range(os, space_map_object(sm), 0, -1ULL, tx));
dmu_object_info_from_db(sm->sm_dbuf, &doi);
if (spa_feature_is_enabled(spa, space_map_histogram)) {
if (spa_feature_is_enabled(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) {
bonuslen = sizeof (space_map_phys_t);
ASSERT3U(bonuslen, <=, dmu_bonus_max());
} else {
@@ -533,13 +531,11 @@ uint64_t
space_map_alloc(objset_t *os, dmu_tx_t *tx)
{
spa_t *spa = dmu_objset_spa(os);
zfeature_info_t *space_map_histogram =
&spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM];
uint64_t object;
int bonuslen;
if (spa_feature_is_enabled(spa, space_map_histogram)) {
spa_feature_incr(spa, space_map_histogram, tx);
if (spa_feature_is_enabled(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) {
spa_feature_incr(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM, tx);
bonuslen = sizeof (space_map_phys_t);
ASSERT3U(bonuslen, <=, dmu_bonus_max());
} else {
@@ -557,20 +553,20 @@ void
space_map_free(space_map_t *sm, dmu_tx_t *tx)
{
spa_t *spa;
zfeature_info_t *space_map_histogram =
&spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM];
if (sm == NULL)
return;
spa = dmu_objset_spa(sm->sm_os);
if (spa_feature_is_enabled(spa, space_map_histogram)) {
if (spa_feature_is_enabled(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) {
dmu_object_info_t doi;
dmu_object_info_from_db(sm->sm_dbuf, &doi);
if (doi.doi_bonus_size != SPACE_MAP_SIZE_V0) {
VERIFY(spa_feature_is_active(spa, space_map_histogram));
spa_feature_decr(spa, space_map_histogram, tx);
VERIFY(spa_feature_is_active(spa,
SPA_FEATURE_SPACEMAP_HISTOGRAM));
spa_feature_decr(spa,
SPA_FEATURE_SPACEMAP_HISTOGRAM, tx);
}
}