Implement featureflags for the object storage agent (fix style errors) (

openzfs#466)

Signed-off-by: Paul Dagnelie <pcd@delphix.com>

module/os/linux/zfs/vdev_object_store.c

@@ -971,7 +971,7 @@ static void
 update_features(spa_t *spa, nvlist_t *nv)
 {
 	for (nvpair_t *elem = nvlist_next_nvpair(nv, NULL);
-	     elem != NULL; elem = nvlist_next_nvpair(nv, elem) ) {
+	    elem != NULL; elem = nvlist_next_nvpair(nv, elem)) {
 		spa_feature_t feat;
 		if (zfeature_lookup_guid(nvpair_name(elem), &feat))
 			continue;
@@ -1113,7 +1113,7 @@ agent_reader(void *arg)
 			VERIFY0(nvlist_lookup_uint8_array(nv,
 			    AGENT_CONFIG, &arr, &len));
 			vos->vos_config = fnvlist_unpack((char *)arr, len);
-			
+
 			update_features(vos->vos_vdev->vdev_spa,
 			    fnvlist_lookup_nvlist(nv, AGENT_FEATURES));
 		}

module/zfs/vdev.c

@@ -322,8 +322,10 @@ vdev_enable_feature(vdev_t *vd, zfeature_info_t *zfeature)
 	for (int c = 0; c < vd->vdev_children; c++)
 		vdev_enable_feature(vd->vdev_child[c], zfeature);
 
-	if (vd->vdev_ops->vdev_op_leaf && vd->vdev_ops->vdev_op_enable_feature != NULL)
+	if (vd->vdev_ops->vdev_op_leaf &&
+	    vd->vdev_ops->vdev_op_enable_feature != NULL) {
 		vd->vdev_ops->vdev_op_enable_feature(vd, zfeature);
+	}
 }
 
 /*

module/zfs/zfeature.c

@@ -310,7 +310,7 @@ feature_sync(spa_t *spa, zfeature_info_t *feature, uint64_t refcount,
 	    (feature->fi_flags & ZFEATURE_FLAG_READONLY_COMPAT) ?
 	    spa->spa_feat_for_write_obj : spa->spa_feat_for_read_obj;
 	VERIFY0(zap_update(spa->spa_meta_objset, zapobj,
-		feature->fi_guid, sizeof (uint64_t), 1, &refcount, tx));
+	    feature->fi_guid, sizeof (uint64_t), 1, &refcount, tx));
 
 	/*
 	 * feature_sync is called directly from zhack, allowing the
@@ -356,7 +356,7 @@ feature_enable_sync(spa_t *spa, zfeature_info_t *feature, dmu_tx_t *tx)
 
 	for (int i = 0; feature->fi_depends[i] != SPA_FEATURE_NONE; i++)
 		spa_feature_enable(spa, feature->fi_depends[i], tx);
-	
+
 	if (feature->fi_flags & ZFEATURE_FLAG_AGENT) {
 		vdev_enable_feature(spa->spa_root_vdev, feature);
 		return;