758 	struct rbd_client *rbdc;  in rbd_client_create()  local
762 	rbdc = kmalloc(sizeof(struct rbd_client), GFP_KERNEL);  in rbd_client_create()
763 	if (!rbdc)  in rbd_client_create()
766 	kref_init(&rbdc->kref);  in rbd_client_create()
767 	INIT_LIST_HEAD(&rbdc->node);  in rbd_client_create()
769 	rbdc->client = ceph_create_client(ceph_opts, rbdc);  in rbd_client_create()
770 	if (IS_ERR(rbdc->client))  in rbd_client_create()
774 	ret = ceph_open_session(rbdc->client);  in rbd_client_create()
779 	list_add_tail(&rbdc->node, &rbd_client_list);  in rbd_client_create()
782 	dout("%s: rbdc %p\n", __func__, rbdc);  in rbd_client_create()
784 	return rbdc;  in rbd_client_create()
786 	ceph_destroy_client(rbdc->client);  in rbd_client_create()
788 	kfree(rbdc);  in rbd_client_create()
797 static struct rbd_client *__rbd_get_client(struct rbd_client *rbdc)  in __rbd_get_client()  argument
799 	kref_get(&rbdc->kref);  in __rbd_get_client()
801 	return rbdc;  in __rbd_get_client()
927 	struct rbd_client *rbdc = container_of(kref, struct rbd_client, kref);  in rbd_client_release()  local
929 	dout("%s: rbdc %p\n", __func__, rbdc);  in rbd_client_release()
931 	list_del(&rbdc->node);  in rbd_client_release()
934 	ceph_destroy_client(rbdc->client);  in rbd_client_release()
935 	kfree(rbdc);  in rbd_client_release()
942 static void rbd_put_client(struct rbd_client *rbdc)  in rbd_put_client()  argument
944 	if (rbdc)  in rbd_put_client()
945 		kref_put(&rbdc->kref, rbd_client_release);  in rbd_put_client()
955 	struct rbd_client *rbdc;  in rbd_get_client()  local
959 	rbdc = rbd_client_find(ceph_opts);  in rbd_get_client()
960 	if (rbdc) {  in rbd_get_client()
967 		ret = ceph_wait_for_latest_osdmap(rbdc->client,  in rbd_get_client()
968 					rbdc->client->options->mount_timeout);  in rbd_get_client()
971 			rbd_put_client(rbdc);  in rbd_get_client()
972 			rbdc = ERR_PTR(ret);  in rbd_get_client()
975 		rbdc = rbd_client_create(ceph_opts);  in rbd_get_client()
979 	return rbdc;  in rbd_get_client()
5372 static struct rbd_device *__rbd_dev_create(struct rbd_client *rbdc,  in __rbd_dev_create()  argument
5418 	rbd_dev->rbd_client = rbdc;  in __rbd_dev_create()
5427 static struct rbd_device *rbd_dev_create(struct rbd_client *rbdc,  in rbd_dev_create()  argument
5433 	rbd_dev = __rbd_dev_create(rbdc, spec);  in rbd_dev_create()
7057 	struct rbd_client *rbdc;  in do_rbd_add()  local
7071 	rbdc = rbd_get_client(ceph_opts);  in do_rbd_add()
7072 	if (IS_ERR(rbdc)) {  in do_rbd_add()
7073 		rc = PTR_ERR(rbdc);  in do_rbd_add()
7078 	rc = ceph_pg_poolid_by_name(rbdc->client->osdc.osdmap, spec->pool_name);  in do_rbd_add()
7086 	rbd_dev = rbd_dev_create(rbdc, spec, rbd_opts);  in do_rbd_add()
7091 	rbdc = NULL;		/* rbd_dev now owns this */  in do_rbd_add()
7154 	rbd_put_client(rbdc);  in do_rbd_add()