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Date:      Mon, 15 Aug 2016 09:02:10 +0000 (UTC)
From:      Andriy Gapon <avg@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org
Subject:   svn commit: r304128 - stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
Message-ID:  <201608150902.u7F92ALO060881@repo.freebsd.org>
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Author: avg
Date: Mon Aug 15 09:02:09 2016
New Revision: 304128
URL: https://svnweb.freebsd.org/changeset/base/304128

Log:
  MFC r302840: 6878 Add scrub completion info to "zpool history"

Modified:
  stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_scan.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_scan.c
==============================================================================
--- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_scan.c	Mon Aug 15 09:01:59 2016	(r304127)
+++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_scan.c	Mon Aug 15 09:02:09 2016	(r304128)
@@ -56,7 +56,8 @@ typedef int (scan_cb_t)(dsl_pool_t *, co
 
 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 *);
 
 unsigned int zfs_top_maxinflight = 32;	/* maximum I/Os per top-level */
 unsigned int zfs_resilver_delay = 2;	/* number of ticks to delay resilver */
@@ -329,8 +330,15 @@ dsl_scan_done(dsl_scan_t *scn, boolean_t
 	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);
@@ -1485,8 +1493,7 @@ dsl_scan_sync(dsl_pool_t *dp, dmu_tx_t *
 	 * 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))
@@ -1913,3 +1920,10 @@ dsl_scan(dsl_pool_t *dp, pool_scan_func_
 	return (dsl_sync_task(spa_name(spa), dsl_scan_setup_check,
 	    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);
+}

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