diff options
author | Matthew Ahrens <[email protected]> | 2014-06-05 13:19:08 -0800 |
---|---|---|
committer | Brian Behlendorf <[email protected]> | 2014-08-01 14:28:05 -0700 |
commit | 9b67f605601c77c814037613d8129562db642a29 (patch) | |
tree | 21a3270ed7eda24858e56a9584f64f6359f4b28f /module/zfs/dsl_scan.c | |
parent | faf0f58c69607a15e2d1563567afb815842805de (diff) |
Illumos 4757, 4913
4757 ZFS embedded-data block pointers ("zero block compression")
4913 zfs release should not be subject to space checks
Reviewed by: Adam Leventhal <[email protected]>
Reviewed by: Max Grossman <[email protected]>
Reviewed by: George Wilson <[email protected]>
Reviewed by: Christopher Siden <[email protected]>
Reviewed by: Dan McDonald <[email protected]>
Approved by: Dan McDonald <[email protected]>
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 <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #2544
Diffstat (limited to 'module/zfs/dsl_scan.c')
-rw-r--r-- | module/zfs/dsl_scan.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/module/zfs/dsl_scan.c b/module/zfs/dsl_scan.c index bf06b51ee..f03f1f54b 100644 --- a/module/zfs/dsl_scan.c +++ b/module/zfs/dsl_scan.c @@ -1515,6 +1515,10 @@ dsl_scan_sync(dsl_pool_t *dp, dmu_tx_t *tx) } if (err == ERESTART) return; + /* finished; verify that space accounting went to zero */ + ASSERT0(dp->dp_free_dir->dd_phys->dd_used_bytes); + ASSERT0(dp->dp_free_dir->dd_phys->dd_compressed_bytes); + ASSERT0(dp->dp_free_dir->dd_phys->dd_uncompressed_bytes); } if (scn->scn_phys.scn_state != DSS_SCANNING) @@ -1700,6 +1704,9 @@ dsl_scan_scrub_cb(dsl_pool_t *dp, count_block(dp->dp_blkstats, bp); + if (BP_IS_EMBEDDED(bp)) + return (0); + ASSERT(DSL_SCAN_IS_SCRUB_RESILVER(scn)); if (scn->scn_phys.scn_func == POOL_SCAN_SCRUB) { zio_flags |= ZIO_FLAG_SCRUB; |