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Illumos 5701 - zpool list reports incorrect "alloc" value for cache devices

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5701 zpool list reports incorrect "alloc" value for cache devices
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george@delphix.com>
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
Approved by: Dan McDonald <danmcd@omniti.com>

References:
  https://www.illumos.org/issues/5701
  https://github.com/illumos/illumos-gate/commit/a52fc31

Porting Notes:

arc_space_return(HDR_L2ONLY_SIZE, ARC_SPACE_L2HDRS);
correctly placed at arc_hdr_l2hdr_destroy(arc_buf_hdr_t *hdr).

Ported by: kernelOfTruth kerneloftruth@gmail.com
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Prakash Surya
2015-06-16 01:12:19 +02:00
committed by Brian Behlendorf
parent fa720217b9
commit d962d5dad9
2 changed files with 143 additions and 46 deletions
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include/sys/arc_impl.h
+1 -1
View File
@@ -172,12 +172,12 @@ typedef struct l2arc_dev {
uint64_t l2ad_hand; /* next write location */
uint64_t l2ad_start; /* first addr on device */
uint64_t l2ad_end; /* last addr on device */
uint64_t l2ad_evict; /* last addr eviction reached */
boolean_t l2ad_first; /* first sweep through */
boolean_t l2ad_writing; /* currently writing */
kmutex_t l2ad_mtx; /* lock for buffer list */
list_t l2ad_buflist; /* buffer list */
list_node_t l2ad_node; /* device list node */
refcount_t l2ad_alloc; /* allocated bytes */
} l2arc_dev_t;
typedef struct l2arc_buf_hdr {