[illumos-gate merge]

commit 2acef22db7808606888f8f92715629ff3ba555b9
    4171 clean up spa_feature_*() interfaces
    4172 implement extensible_dataset feature for use by other zpool features
commit 018d3f06fe63d3b8316ef73502fb8f2dd473ffd1
    3195 mpt_sas IOC reset races can cause panics

Conflicts:
	usr/src/common/zfs/zfeature_common.h (preserve FS_SS_LIMIT)

1 files changed, 11 insertions, 13 deletions

diff --git a/usr/src/uts/common/fs/zfs/dsl_destroy.c b/usr/src/uts/common/fs/zfs/dsl_destroy.c
index b002df7561..047fc63e69 100644
--- a/usr/src/uts/common/fs/zfs/dsl_destroy.c
+++ b/usr/src/uts/common/fs/zfs/dsl_destroy.c
@@ -38,6 +38,7 @@
 #include <sys/zfeature.h>
 #include <sys/zfs_ioctl.h>
 #include <sys/dsl_deleg.h>
+#include <sys/dmu_impl.h>
 
 typedef struct dmu_snapshots_destroy_arg {
 	nvlist_t *dsda_snaps;
@@ -448,7 +449,7 @@ dsl_destroy_snapshot_sync_impl(dsl_dataset_t *ds, boolean_t defer, dmu_tx_t *tx)
 		VERIFY0(zap_destroy(mos, ds->ds_phys->ds_userrefs_obj, tx));
 	dsl_dir_rele(ds->ds_dir, ds);
 	ds->ds_dir = NULL;
-	VERIFY0(dmu_object_free(mos, obj, tx));
+	dmu_object_free_zapified(mos, obj, tx);
 }
 
 static void
@@ -671,7 +672,7 @@ dsl_dir_destroy_sync(uint64_t ddobj, dmu_tx_t *tx)
 	    dd->dd_parent->dd_phys->dd_child_dir_zapobj, dd->dd_myname, tx));
 
 	dsl_dir_rele(dd, FTAG);
-	VERIFY0(dmu_object_free(mos, ddobj, tx));
+	dmu_object_free_zapified(mos, ddobj, tx);
 }
 
 void
@@ -724,10 +725,6 @@ dsl_destroy_head_sync_impl(dsl_dataset_t *ds, dmu_tx_t *tx)
 		ds->ds_prev->ds_phys->ds_num_children--;
 	}
 
-	zfeature_info_t *async_destroy =
-	    &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY];
-	objset_t *os;
-
 	/*
 	 * Destroy the deadlist.  Unless it's a clone, the
 	 * deadlist should be empty.  (If it's a clone, it's
@@ -738,9 +735,10 @@ dsl_destroy_head_sync_impl(dsl_dataset_t *ds, dmu_tx_t *tx)
 	dmu_buf_will_dirty(ds->ds_dbuf, tx);
 	ds->ds_phys->ds_deadlist_obj = 0;
 
+	objset_t *os;
 	VERIFY0(dmu_objset_from_ds(ds, &os));
 
-	if (!spa_feature_is_enabled(dp->dp_spa, async_destroy)) {
+	if (!spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_ASYNC_DESTROY)) {
 		old_synchronous_dataset_destroy(ds, tx);
 	} else {
 		/*
@@ -751,10 +749,11 @@ dsl_destroy_head_sync_impl(dsl_dataset_t *ds, dmu_tx_t *tx)
 
 		zil_destroy_sync(dmu_objset_zil(os), tx);
 
-		if (!spa_feature_is_active(dp->dp_spa, async_destroy)) {
+		if (!spa_feature_is_active(dp->dp_spa,
+		    SPA_FEATURE_ASYNC_DESTROY)) {
 			dsl_scan_t *scn = dp->dp_scan;
-
-			spa_feature_incr(dp->dp_spa, async_destroy, tx);
+			spa_feature_incr(dp->dp_spa, SPA_FEATURE_ASYNC_DESTROY,
+			    tx);
 			dp->dp_bptree_obj = bptree_alloc(mos, tx);
 			VERIFY0(zap_add(mos,
 			    DMU_POOL_DIRECTORY_OBJECT,
@@ -814,7 +813,7 @@ dsl_destroy_head_sync_impl(dsl_dataset_t *ds, dmu_tx_t *tx)
 	ASSERT0(ds->ds_phys->ds_userrefs_obj);
 	dsl_dir_rele(ds->ds_dir, ds);
 	ds->ds_dir = NULL;
-	VERIFY0(dmu_object_free(mos, obj, tx));
+	dmu_object_free_zapified(mos, obj, tx);
 
 	dsl_dir_destroy_sync(ddobj, tx);
 
@@ -870,8 +869,7 @@ dsl_destroy_head(const char *name)
 	error = spa_open(name, &spa, FTAG);
 	if (error != 0)
 		return (error);
-	isenabled = spa_feature_is_enabled(spa,
-	    &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY]);
+	isenabled = spa_feature_is_enabled(spa, SPA_FEATURE_ASYNC_DESTROY);
 	spa_close(spa, FTAG);
 
 	ddha.ddha_name = name;