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/zfeature_common.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/zfeature_common.c')
| -rw-r--r-- | module/zfs/zfeature_common.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/module/zfs/zfeature_common.c b/module/zfs/zfeature_common.c index 2ea220245..f99e5349e 100644 --- a/module/zfs/zfeature_common.c +++ b/module/zfs/zfeature_common.c @@ -213,4 +213,9 @@ zpool_feature_init(void) "\"zfs bookmark\" command", B_TRUE, B_FALSE, B_FALSE, bookmarks_deps); } + + zfeature_register(SPA_FEATURE_EMBEDDED_DATA, + "com.delphix:embedded_data", "embedded_data", + "Blocks which compress very well use even less space.", + B_FALSE, B_TRUE, B_TRUE, NULL); } |