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Illumos #3236

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3236 zio nop-write
Reviewed by: Matt Ahrens <matthew.ahrens@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Christopher Siden <chris.siden@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>

References:
  illumos/illumos-gate@80901aea8e
  https://www.illumos.org/issues/3236

Porting Notes

1. This patch is being merged dispite an increased instance of
   https://www.illumos.org/issues/3113 being triggered by ztest.

Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #1489
This commit is contained in:
George Wilson
2013-05-10 12:47:54 -07:00
committed by Brian Behlendorf
parent 831baf06ef
commit 03c6040bee
13 changed files with 369 additions and 76 deletions
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include/sys/dmu.h
+5
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@@ -497,6 +497,11 @@ void dmu_evict_user(objset_t *os, dmu_buf_evict_func_t *func);
*/
void *dmu_buf_get_user(dmu_buf_t *db);
/*
* Returns the blkptr associated with this dbuf, or NULL if not set.
*/
struct blkptr *dmu_buf_get_blkptr(dmu_buf_t *db);
/*
* Indicate that you are going to modify the buffer's data (db_data).
*