target: add a new add_wwn_groups fabrics method

We need to have the WWN fully initialized before addig default groups to it,
so add a new method to add these groups after the WWN has been initialized.
Also remove the default groups in the core while we're at it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
index 5991a4f816d8..31a096aa16ab 100644
--- a/drivers/target/target_core_fabric_configfs.c
+++ b/drivers/target/target_core_fabric_configfs.c
@@ -891,6 +891,7 @@ static void target_fabric_release_wwn(struct config_item *item)
 				struct se_wwn, wwn_group);
 	struct target_fabric_configfs *tf = wwn->wwn_tf;
 
+	configfs_remove_default_groups(&wwn->fabric_stat_group);
 	tf->tf_ops->fabric_drop_wwn(wwn);
 }
 
@@ -944,6 +945,8 @@ static struct config_group *target_fabric_make_wwn(
 			&tf->tf_wwn_fabric_stats_cit);
 	configfs_add_default_group(&wwn->fabric_stat_group, &wwn->wwn_group);
 
+	if (tf->tf_ops->add_wwn_groups)
+		tf->tf_ops->add_wwn_groups(wwn);
 	return &wwn->wwn_group;
 }