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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
include/libzfs_core.h
+5 -1
View File
@@ -52,7 +52,11 @@ int lzc_hold(nvlist_t *, int, nvlist_t **);
int lzc_release(nvlist_t *, nvlist_t **);
int lzc_get_holds(const char *, nvlist_t **);
int lzc_send(const char *, const char *, int);
enum lzc_send_flags {
LZC_SEND_FLAG_EMBED_DATA = 1 << 0
};
int lzc_send(const char *, const char *, int, enum lzc_send_flags);
int lzc_receive(const char *, nvlist_t *, const char *, boolean_t, int);
int lzc_send_space(const char *, const char *, uint64_t *);