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 /include/sys/zio.h | |
| 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 'include/sys/zio.h')
| -rw-r--r-- | include/sys/zio.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/sys/zio.h b/include/sys/zio.h index 129e2bcb9..181722f68 100644 --- a/include/sys/zio.h +++ b/include/sys/zio.h @@ -82,6 +82,12 @@ enum zio_checksum { ZIO_CHECKSUM_FUNCTIONS }; +/* + * The number of "legacy" compression functions which can be set on individual + * objects. + */ +#define ZIO_CHECKSUM_LEGACY_FUNCTIONS ZIO_CHECKSUM_ZILOG2 + #define ZIO_CHECKSUM_ON_VALUE ZIO_CHECKSUM_FLETCHER_4 #define ZIO_CHECKSUM_DEFAULT ZIO_CHECKSUM_ON @@ -111,6 +117,12 @@ enum zio_compress { ZIO_COMPRESS_FUNCTIONS }; +/* + * The number of "legacy" compression functions which can be set on individual + * objects. + */ +#define ZIO_COMPRESS_LEGACY_FUNCTIONS ZIO_COMPRESS_LZ4 + #define ZIO_COMPRESS_ON_VALUE ZIO_COMPRESS_LZJB #define ZIO_COMPRESS_DEFAULT ZIO_COMPRESS_OFF |