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Teach zdb about DMU_OT_ERROR_LOG objects 

With the persistent error log feature we need to account for
spa_errlog_{scrub, last} containing mappings to other error log objects,
which need to be marked as in-use as well.

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: George Amanakis <gamanakis@gmail.com>
Closes #14442 
Closes #14434
This commit is contained in:
George Amanakis 2023-02-03 00:17:37 +01:00 committed by GitHub
parent 326f1e3d88
commit ac2038a19c
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1 changed files with 19 additions and 0 deletions
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19
cmd/zdb/zdb.c
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@ -7509,6 +7509,19 @@ mos_leak_log_spacemaps(spa_t *spa)
mos_obj_refd(sls->sls_sm_obj);
}
static void
errorlog_count_refd(objset_t *mos, uint64_t errlog)
{
zap_cursor_t zc;
zap_attribute_t za;
for (zap_cursor_init(&zc, mos, errlog);
zap_cursor_retrieve(&zc, &za) == 0;
zap_cursor_advance(&zc)) {
mos_obj_refd(za.za_first_integer);
}
zap_cursor_fini(&zc);
}
static int
dump_mos_leaks(spa_t *spa)
{
@ -7529,6 +7542,12 @@ dump_mos_leaks(spa_t *spa)
mos_obj_refd(spa->spa_history);
mos_obj_refd(spa->spa_errlog_last);
mos_obj_refd(spa->spa_errlog_scrub);
if (!spa_feature_is_enabled(spa, SPA_FEATURE_HEAD_ERRLOG)) {
errorlog_count_refd(mos, spa->spa_errlog_last);
errorlog_count_refd(mos, spa->spa_errlog_scrub);
}
mos_obj_refd(spa->spa_all_vdev_zaps);
mos_obj_refd(spa->spa_dsl_pool->dp_bptree_obj);
mos_obj_refd(spa->spa_dsl_pool->dp_tmp_userrefs_obj);