89 	dm_pdev_t *dmp;  in dm_pdev_insert()  local
95 	dmp = dm_pdev_lookup_name(dev_name);  in dm_pdev_insert()
97 	if (dmp != NULL) {  in dm_pdev_insert()
98 		dmp->ref_cnt++;  in dm_pdev_insert()
102 		return dmp;  in dm_pdev_insert()
105 	if ((dmp = dm_pdev_alloc(dev_name)) == NULL) {  in dm_pdev_insert()
115 		kmem_free(dmp, sizeof(dm_pdev_t));  in dm_pdev_insert()
118 	error = vn_bdev_openpath(dev_pb, &dmp->pdev_vnode, curlwp);  in dm_pdev_insert()
124 		kmem_free(dmp, sizeof(dm_pdev_t));  in dm_pdev_insert()
127 	getdisksize(dmp->pdev_vnode, &dmp->pdev_numsec, &dmp->pdev_secsize);  in dm_pdev_insert()
128 	dmp->ref_cnt = 1;  in dm_pdev_insert()
130 	snprintf(dmp->udev_name, sizeof(dmp->udev_name), "%d:%d",  in dm_pdev_insert()
131 	    major(dmp->pdev_vnode->v_rdev), minor(dmp->pdev_vnode->v_rdev));  in dm_pdev_insert()
132 	aprint_debug("%s: %s %s\n", __func__, dev_name, dmp->udev_name);  in dm_pdev_insert()
134 	SLIST_INSERT_HEAD(&dm_pdev_list, dmp, next_pdev);  in dm_pdev_insert()
137 	return dmp;  in dm_pdev_insert()
160 	dm_pdev_t *dmp;  in dm_pdev_alloc()  local
162 	dmp = kmem_zalloc(sizeof(*dmp), KM_SLEEP);  in dm_pdev_alloc()
163 	strlcpy(dmp->name, name, sizeof(dmp->name));  in dm_pdev_alloc()
164 	dmp->ref_cnt = 0;  in dm_pdev_alloc()
165 	dmp->pdev_vnode = NULL;  in dm_pdev_alloc()
167 	return dmp;  in dm_pdev_alloc()
174 dm_pdev_rem(dm_pdev_t *dmp)  in dm_pdev_rem()  argument
177 	KASSERT(dmp != NULL);  in dm_pdev_rem()
179 	if (dmp->pdev_vnode != NULL) {  in dm_pdev_rem()
180 		int error = vn_close(dmp->pdev_vnode, FREAD | FWRITE, FSCRED);  in dm_pdev_rem()
182 			kmem_free(dmp, sizeof(*dmp));  in dm_pdev_rem()
186 	kmem_free(dmp, sizeof(*dmp));  in dm_pdev_rem()
197 	dm_pdev_t *dmp;  in dm_pdev_destroy()  local
201 	while ((dmp = SLIST_FIRST(&dm_pdev_list)) != NULL) {  in dm_pdev_destroy()
202 		SLIST_REMOVE(&dm_pdev_list, dmp, dm_pdev, next_pdev);  in dm_pdev_destroy()
203 		dm_pdev_rem(dmp);  in dm_pdev_destroy()
225 dm_pdev_decr(dm_pdev_t *dmp)  in dm_pdev_decr()  argument
228 	KASSERT(dmp != NULL);  in dm_pdev_decr()
235 	if (--dmp->ref_cnt == 0) {  in dm_pdev_decr()
236 		SLIST_REMOVE(&dm_pdev_list, dmp, dm_pdev, next_pdev);  in dm_pdev_decr()
238 		dm_pdev_rem(dmp);  in dm_pdev_decr()
250 	dm_pdev_t *dmp;
254 	SLIST_FOREACH(dmp, &dm_pdev_list, next_pdev) {
256 		dmp->name, dmp->ref_cnt, dmp->list_ref_cnt);