dev/dm/device-mapper.c

270 	mutex_enter(&dmv->diskp->dk_openlock);
271 	busy = (dmv->diskp->dk_openmask != 0 && (flags & DETACH_FORCE) == 0);
272 	mutex_exit(&dmv->diskp->dk_openlock);
292 	disk_detach(dmv->diskp);
293 	disk_destroy(dmv->diskp);
354 		dk = dmv->diskp;
383 		dk = dmv->diskp;
515 		if (dmv->diskp->dk_info == NULL) {
520 			    dmv->diskp->dk_info);
631 	disk_busy(dmv->diskp);
682 	disk_unbusy(dmv->diskp, buf_len, bp ? (bp->b_flags & B_READ) : 0);