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OpenZFS 6736 - ZFS per-vdev ZAPs

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6736 ZFS per-vdev ZAPs
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Don Brady <don.brady@intel.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>

References:
  https://www.illumos.org/issues/6736
  https://github.com/openzfs/openzfs/commit/215198a

Ported-by: Don Brady <don.brady@intel.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4515
This commit is contained in:
Joe Stein
2016-04-11 16:16:57 -04:00
committed by Brian Behlendorf
parent 4cd77889b6
commit e0ab3ab553
24 changed files with 980 additions and 75 deletions
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include/sys/spa_impl.h
+8
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@@ -116,6 +116,12 @@ typedef struct spa_taskqs {
taskq_t **stqs_taskq;
} spa_taskqs_t;
typedef enum spa_all_vdev_zap_action {
AVZ_ACTION_NONE = 0,
AVZ_ACTION_DESTROY, /* Destroy all per-vdev ZAPs and the AVZ. */
AVZ_ACTION_REBUILD /* Populate the new AVZ, see spa_avz_rebuild */
} spa_avz_action_t;
struct spa {
/*
* Fields protected by spa_namespace_lock.
@@ -251,6 +257,8 @@ struct spa {
uint64_t spa_deadman_calls; /* number of deadman calls */
hrtime_t spa_sync_starttime; /* starting time of spa_sync */
uint64_t spa_deadman_synctime; /* deadman expiration timer */
uint64_t spa_all_vdev_zaps; /* ZAP of per-vd ZAP obj #s */
spa_avz_action_t spa_avz_action; /* destroy/rebuild AVZ? */
uint64_t spa_errata; /* errata issues detected */
spa_stats_t spa_stats; /* assorted spa statistics */
hrtime_t spa_ccw_fail_time; /* Conf cache write fail time */