706 	struct rbd_client *rbdc;  in rbd_client_create()  local
710 	rbdc = kmalloc(sizeof(struct rbd_client), GFP_KERNEL);  in rbd_client_create()
711 	if (!rbdc)  in rbd_client_create()
714 	kref_init(&rbdc->kref);  in rbd_client_create()
715 	INIT_LIST_HEAD(&rbdc->node);  in rbd_client_create()
717 	rbdc->client = ceph_create_client(ceph_opts, rbdc);  in rbd_client_create()
718 	if (IS_ERR(rbdc->client))  in rbd_client_create()
722 	ret = ceph_open_session(rbdc->client);  in rbd_client_create()
727 	list_add_tail(&rbdc->node, &rbd_client_list);  in rbd_client_create()
730 	dout("%s: rbdc %p\n", __func__, rbdc);  in rbd_client_create()
732 	return rbdc;  in rbd_client_create()
734 	ceph_destroy_client(rbdc->client);  in rbd_client_create()
736 	kfree(rbdc);  in rbd_client_create()
745 static struct rbd_client *__rbd_get_client(struct rbd_client *rbdc)  in __rbd_get_client()  argument
747 	kref_get(&rbdc->kref);  in __rbd_get_client()
749 	return rbdc;  in __rbd_get_client()
758 	struct rbd_client *rbdc = NULL, *iter;  in rbd_client_find()  local
768 			rbdc = iter;  in rbd_client_find()
774 	return rbdc;  in rbd_client_find()
874 	struct rbd_client *rbdc = container_of(kref, struct rbd_client, kref);  in rbd_client_release()  local
876 	dout("%s: rbdc %p\n", __func__, rbdc);  in rbd_client_release()
878 	list_del(&rbdc->node);  in rbd_client_release()
881 	ceph_destroy_client(rbdc->client);  in rbd_client_release()
882 	kfree(rbdc);  in rbd_client_release()
889 static void rbd_put_client(struct rbd_client *rbdc)  in rbd_put_client()  argument
891 	if (rbdc)  in rbd_put_client()
892 		kref_put(&rbdc->kref, rbd_client_release);  in rbd_put_client()
902 	struct rbd_client *rbdc;  in rbd_get_client()  local
906 	rbdc = rbd_client_find(ceph_opts);  in rbd_get_client()
907 	if (rbdc) {  in rbd_get_client()
914 		ret = ceph_wait_for_latest_osdmap(rbdc->client,  in rbd_get_client()
915 					rbdc->client->options->mount_timeout);  in rbd_get_client()
918 			rbd_put_client(rbdc);  in rbd_get_client()
919 			rbdc = ERR_PTR(ret);  in rbd_get_client()
922 		rbdc = rbd_client_create(ceph_opts);  in rbd_get_client()
926 	return rbdc;  in rbd_get_client()
5394 static struct rbd_device *rbd_dev_create(struct rbd_client *rbdc,  in rbd_dev_create()  argument
5420 	rbd_dev->rbd_client = rbdc;  in rbd_dev_create()
7085 	struct rbd_client *rbdc;  in do_rbd_add()  local
7099 	rbdc = rbd_get_client(ceph_opts);  in do_rbd_add()
7100 	if (IS_ERR(rbdc)) {  in do_rbd_add()
7101 		rc = PTR_ERR(rbdc);  in do_rbd_add()
7106 	rc = ceph_pg_poolid_by_name(rbdc->client->osdc.osdmap, spec->pool_name);  in do_rbd_add()
7114 	rbd_dev = rbd_dev_create(rbdc, spec, rbd_opts);  in do_rbd_add()
7119 	rbdc = NULL;		/* rbd_dev now owns this */  in do_rbd_add()
7184 	rbd_put_client(rbdc);  in do_rbd_add()