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Illumos 4757, 4913

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4757 ZFS embedded-data block pointers ("zero block compression")
4913 zfs release should not be subject to space checks

Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Max Grossman <max.grossman@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Approved by: Dan McDonald <danmcd@omniti.com>

References:
  https://www.illumos.org/issues/4757
  https://www.illumos.org/issues/4913
  https://github.com/illumos/illumos-gate/commit/5d7b4d4

Porting notes:

For compatibility with the fastpath code the zio_done() function
needed to be updated.  Because embedded-data block pointers do
not require DVAs to be allocated the associated vdevs will not
be marked and therefore should not be unmarked.

Ported by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2544
This commit is contained in:
Matthew Ahrens
2014-06-05 13:19:08 -08:00
committed by Brian Behlendorf
parent faf0f58c69
commit 9b67f60560
46 changed files with 1195 additions and 258 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/spa.c
+3 -9
View File
@@ -1872,7 +1872,7 @@ static int
spa_load_verify_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
{
if (!BP_IS_HOLE(bp)) {
if (!BP_IS_HOLE(bp) && !BP_IS_EMBEDDED(bp)) {
zio_t *rio = arg;
size_t size = BP_GET_PSIZE(bp);
void *data = zio_data_buf_alloc(size);
@@ -2423,9 +2423,8 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
if (spa_feature_is_active(spa, SPA_FEATURE_ENABLED_TXG)) {
if (spa_dir_prop(spa, DMU_POOL_FEATURE_ENABLED_TXG,
&spa->spa_feat_enabled_txg_obj) != 0) {
&spa->spa_feat_enabled_txg_obj) != 0)
return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO));
}
}
spa->spa_is_initializing = B_TRUE;
@@ -5333,11 +5332,6 @@ spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare)
ASSERT(!locked);
ASSERT(vd == vd->vdev_top);
/*
* XXX - Once we have bp-rewrite this should
* become the common case.
*/
mg = vd->vdev_mg;
/*
@@ -6487,7 +6481,7 @@ spa_upgrade(spa_t *spa, uint64_t version)
* possible.
*/
ASSERT(SPA_VERSION_IS_SUPPORTED(spa->spa_uberblock.ub_version));
ASSERT(version >= spa->spa_uberblock.ub_version);
ASSERT3U(version, >=, spa->spa_uberblock.ub_version);
spa->spa_uberblock.ub_version = version;
vdev_config_dirty(spa->spa_root_vdev);