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OpenZFS 6878 - Add scrub completion info to "zpool history"

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Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Approved by: Dan McDonald <danmcd@omniti.com>
Authored by: Nav Ravindranath <nav@delphix.com>
Ported-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>

OpenZFS-issue: https://www.illumos.org/issues/6878
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/1825bc5
Closes #4787
This commit is contained in:
Nav Ravindranath 2016-06-23 18:39:40 +10:00 committed by Brian Behlendorf
parent 391bba1d28
commit 784d15c14c
1 changed files with 19 additions and 5 deletions
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24
module/zfs/dsl_scan.c
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@ -56,7 +56,8 @@ typedef int (scan_cb_t)(dsl_pool_t *, const blkptr_t *,
static scan_cb_t dsl_scan_scrub_cb;
static void dsl_scan_cancel_sync(void *, dmu_tx_t *);
static void dsl_scan_sync_state(dsl_scan_t *, dmu_tx_t *tx);
static void dsl_scan_sync_state(dsl_scan_t *, dmu_tx_t *);
static boolean_t dsl_scan_restarting(dsl_scan_t *, dmu_tx_t *);
int zfs_top_maxinflight = 32; /* maximum I/Os per top-level */
int zfs_resilver_delay = 2; /* number of ticks to delay resilver */
@ -329,8 +330,15 @@ dsl_scan_done(dsl_scan_t *scn, boolean_t complete, dmu_tx_t *tx)
else
scn->scn_phys.scn_state = DSS_CANCELED;
spa_history_log_internal(spa, "scan done", tx,
"complete=%u", complete);
if (dsl_scan_restarting(scn, tx))
spa_history_log_internal(spa, "scan aborted, restarting", tx,
"errors=%llu", spa_get_errlog_size(spa));
else if (!complete)
spa_history_log_internal(spa, "scan cancelled", tx,
"errors=%llu", spa_get_errlog_size(spa));
else
spa_history_log_internal(spa, "scan done", tx,
"errors=%llu", spa_get_errlog_size(spa));
if (DSL_SCAN_IS_SCRUB_RESILVER(scn)) {
mutex_enter(&spa->spa_scrub_lock);
@ -1511,8 +1519,7 @@ dsl_scan_sync(dsl_pool_t *dp, dmu_tx_t *tx)
* that we can restart an old-style scan while the pool is being
* imported (see dsl_scan_init).
*/
if (scn->scn_restart_txg != 0 &&
scn->scn_restart_txg <= tx->tx_txg) {
if (dsl_scan_restarting(scn, tx)) {
pool_scan_func_t func = POOL_SCAN_SCRUB;
dsl_scan_done(scn, B_FALSE, tx);
if (vdev_resilver_needed(spa->spa_root_vdev, NULL, NULL))
@ -1942,6 +1949,13 @@ dsl_scan(dsl_pool_t *dp, pool_scan_func_t func)
dsl_scan_setup_sync, &func, 0, ZFS_SPACE_CHECK_NONE));
}
static boolean_t
dsl_scan_restarting(dsl_scan_t *scn, dmu_tx_t *tx)
{
return (scn->scn_restart_txg != 0 &&
scn->scn_restart_txg <= tx->tx_txg);
}
#if defined(_KERNEL) && defined(HAVE_SPL)
module_param(zfs_top_maxinflight, int, 0644);
MODULE_PARM_DESC(zfs_top_maxinflight, "Max I/Os per top-level");