Illumos #3006

[zfs.git] / module / zfs / dsl_pool.c

diff --git a/module/zfs/dsl_pool.c b/module/zfs/dsl_pool.c
index 089a7f0..6d25771 100644 (file)
--- a/module/zfs/dsl_pool.c
+++ b/module/zfs/dsl_pool.c
@@ -143,7 +143,7 @@ dsl_pool_txg_history_add(dsl_pool_t *dp, uint64_t txg)
 {
        txg_history_t *th, *rm;
 
-       th = kmem_zalloc(sizeof(txg_history_t), KM_SLEEP);
+       th = kmem_zalloc(sizeof(txg_history_t), KM_PUSHPAGE);
        mutex_init(&th->th_lock, NULL, MUTEX_DEFAULT, NULL);
        th->th_kstat.txg = txg;
        th->th_kstat.state = TXG_STATE_OPEN;
@@ -322,6 +322,15 @@ dsl_pool_open(dsl_pool_t *dp)
                        goto out;
        }
 
+       if (spa_feature_is_active(dp->dp_spa,
+           &spa_feature_table[SPA_FEATURE_EMPTY_BPOBJ])) {
+               err = zap_lookup(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT,
+                   DMU_POOL_EMPTY_BPOBJ, sizeof (uint64_t), 1,
+                   &dp->dp_empty_bpobj);
+               if (err != 0)
+                       goto out;
+       }
+
        err = zap_lookup(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT,
            DMU_POOL_TMP_USERREFS, sizeof (uint64_t), 1,
            &dp->dp_tmp_userrefs_obj);
@@ -396,7 +405,7 @@ dsl_pool_create(spa_t *spa, nvlist_t *zplprops, uint64_t txg)
        /* create the pool directory */
        err = zap_create_claim(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT,
            DMU_OT_OBJECT_DIRECTORY, DMU_OT_NONE, 0, tx);
-       ASSERT3U(err, ==, 0);
+       ASSERT0(err);
 
        /* Initialize scan structures */
        VERIFY3U(0, ==, dsl_scan_init(dp, txg));