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authorSerapheim Dimitropoulos <serapheim@delphix.com>2018-06-16 17:39:14 -0700
committerPrakash Surya <prakash.surya@delphix.com>2018-10-04 07:28:59 -0700
commitade2c82828f0dca1f46919aa1bd936ea1a5a0047 (patch)
tree79aa880c99c745c12cb05f488f6c79924165c541
parent84927f52bd837f6e4882a19e43fd026f1828d910 (diff)
downloadillumos-joyent-ade2c82828f0dca1f46919aa1bd936ea1a5a0047.tar.gz
9682 page fault in dsl_async_clone_destroy() while opening pool
Reviewed by: Brad Lewis <brad.lewis@delphix.com> Reviewed by: Matt Ahrens <matt@delphix.com> Reviewed by: Sara Hartse <sara.hartse@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com>
-rw-r--r--usr/src/cmd/zdb/zdb.c5
-rw-r--r--usr/src/uts/common/fs/zfs/spa.c13
2 files changed, 12 insertions, 6 deletions
diff --git a/usr/src/cmd/zdb/zdb.c b/usr/src/cmd/zdb/zdb.c
index 7ccd124dbe..836a7887de 100644
--- a/usr/src/cmd/zdb/zdb.c
+++ b/usr/src/cmd/zdb/zdb.c
@@ -2247,10 +2247,11 @@ dump_dir(objset_t *os)
dmu_objset_name(os, osname);
(void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
- "%s, %llu objects%s\n",
+ "%s, %llu objects%s%s\n",
osname, type, (u_longlong_t)dmu_objset_id(os),
(u_longlong_t)dds.dds_creation_txg,
- numbuf, (u_longlong_t)usedobjs, blkbuf);
+ numbuf, (u_longlong_t)usedobjs, blkbuf,
+ (dds.dds_inconsistent) ? " (inconsistent)" : "");
if (zopt_objects != 0) {
for (i = 0; i < zopt_objects; i++)
diff --git a/usr/src/uts/common/fs/zfs/spa.c b/usr/src/uts/common/fs/zfs/spa.c
index 599ae9fade..2b19f71d36 100644
--- a/usr/src/uts/common/fs/zfs/spa.c
+++ b/usr/src/uts/common/fs/zfs/spa.c
@@ -3862,8 +3862,17 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, char **ereport)
*/
spa_history_log_version(spa, "open");
+ spa_restart_removal(spa);
+ spa_spawn_aux_threads(spa);
+
/*
* Delete any inconsistent datasets.
+ *
+ * Note:
+ * Since we may be issuing deletes for clones here,
+ * we make sure to do so after we've spawned all the
+ * auxiliary threads above (from which the livelist
+ * deletion zthr is part of).
*/
(void) dmu_objset_find(spa_name(spa),
dsl_destroy_inconsistent, NULL, DS_FIND_CHILDREN);
@@ -3873,10 +3882,6 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, char **ereport)
*/
dsl_pool_clean_tmp_userrefs(spa->spa_dsl_pool);
- spa_restart_removal(spa);
-
- spa_spawn_aux_threads(spa);
-
spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
vdev_initialize_restart(spa->spa_root_vdev);
spa_config_exit(spa, SCL_CONFIG, FTAG);