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Illumos #3104: eliminate empty bpobjs

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3104 eliminate empty bpobjs
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Christopher Siden <chris.siden@delphix.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Approved by: Eric Schrock <eric.schrock@delphix.com>

References:
  illumos/illumos-gate@f174573681
  illumos changeset: 13782:8f78aae28a63
  https://www.illumos.org/issues/3104

Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Matthew Ahrens
2012-12-23 15:57:14 -08:00
committed by Brian Behlendorf
parent 91579709fc
commit 753c38392d
12 changed files with 166 additions and 11 deletions
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include/sys/dmu.h
+1
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@@ -309,6 +309,7 @@ typedef void dmu_buf_evict_func_t(struct dmu_buf *db, void *user_ptr);
#define DMU_POOL_SCAN "scan"
#define DMU_POOL_FREE_BPOBJ "free_bpobj"
#define DMU_POOL_BPTREE_OBJ "bptree_obj"
#define DMU_POOL_EMPTY_BPOBJ "empty_bpobj"
/*
* Allocate an object from this objset. The range of object numbers