block/drbd/drbd_receiver.c

3021 	peer = device->p_uuid[UI_BITMAP] & 1;
3023 	ch_peer = device->p_uuid[UI_SIZE];
3239 	peer = device->p_uuid[UI_CURRENT] & ~((u64)1);
3258 		if (device->p_uuid[UI_BITMAP] == (u64)0 && device->ldev->md.uuid[UI_BITMAP] != (u64)0) {
3263 			if ((device->ldev->md.uuid[UI_BITMAP] & ~((u64)1)) == (device->p_uuid[UI_HISTORY_START] & ~((u64)1)) &&
3264 			    (device->ldev->md.uuid[UI_HISTORY_START] & ~((u64)1)) == (device->p_uuid[UI_HISTORY_START + 1] & ~((u64)1))) {
3281 		if (device->ldev->md.uuid[UI_BITMAP] == (u64)0 && device->p_uuid[UI_BITMAP] != (u64)0) {
3286 			if ((device->ldev->md.uuid[UI_HISTORY_START] & ~((u64)1)) == (device->p_uuid[UI_BITMAP] & ~((u64)1)) &&
3287 			    (device->ldev->md.uuid[UI_HISTORY_START + 1] & ~((u64)1)) == (device->p_uuid[UI_HISTORY_START] & ~((u64)1))) {
3290 				device->p_uuid[UI_HISTORY_START + 1] = device->p_uuid[UI_HISTORY_START];
3291 				device->p_uuid[UI_HISTORY_START] = device->p_uuid[UI_BITMAP];
3292 				device->p_uuid[UI_BITMAP] = 0UL;
3294 				drbd_uuid_dump(device, "peer", device->p_uuid, device->p_uuid[UI_SIZE], device->p_uuid[UI_FLAGS]);
3306 			(device->p_uuid[UI_FLAGS] & 2);
3353 	peer = device->p_uuid[UI_BITMAP] & ~((u64)1);
3358 	peer = device->p_uuid[UI_HISTORY_START] & ~((u64)1);
3362 		    (device->p_uuid[UI_HISTORY_START + 1] & ~((u64)1)) :
3363 		    peer + UUID_NEW_BM_OFFSET == (device->p_uuid[UI_BITMAP] & ~((u64)1))) {
3370 			device->p_uuid[UI_BITMAP] = device->p_uuid[UI_HISTORY_START];
3371 			device->p_uuid[UI_HISTORY_START] = device->p_uuid[UI_HISTORY_START + 1];
3374 			drbd_uuid_dump(device, "peer", device->p_uuid, device->p_uuid[UI_SIZE], device->p_uuid[UI_FLAGS]);
3383 		peer = device->p_uuid[i] & ~((u64)1);
3390 	peer = device->p_uuid[UI_CURRENT] & ~((u64)1);
3399 		    (device->p_uuid[UI_HISTORY_START] & ~((u64)1)) :
3420 	peer = device->p_uuid[UI_CURRENT] & ~((u64)1);
3429 	peer = device->p_uuid[UI_BITMAP] & ~((u64)1);
3437 			peer = device->p_uuid[j] & ~((u64)1);
3467 	drbd_uuid_dump(device, "peer", device->p_uuid,
3468 		       device->p_uuid[UI_SIZE], device->p_uuid[UI_FLAGS]);
3542 		if (test_bit(DISCARD_MY_DATA, &device->flags) && !(device->p_uuid[UI_FLAGS]&1))
3544 		if (!test_bit(DISCARD_MY_DATA, &device->flags) && (device->p_uuid[UI_FLAGS]&1))
4237 	u64 *p_uuid;
4245 	p_uuid = kmalloc_array(UI_EXTENDED_SIZE, sizeof(*p_uuid), GFP_NOIO);
4246 	if (!p_uuid)
4250 		p_uuid[i] = be64_to_cpu(p->uuid[i]);
4252 	kfree(device->p_uuid);
4253 	device->p_uuid = p_uuid;
4258 	    (device->ed_uuid & ~((u64)1)) != (p_uuid[UI_CURRENT] & ~((u64)1))) {
4270 			(p_uuid[UI_FLAGS] & 8);
4276 			_drbd_uuid_set(device, UI_CURRENT, p_uuid[UI_CURRENT]);
4288 		updated_uuids = drbd_set_ed_uuid(device, p_uuid[UI_CURRENT]);
4298 		updated_uuids |= drbd_set_ed_uuid(device, p_uuid[UI_CURRENT]);
4413 		real_peer_disk = device->p_uuid[UI_FLAGS] & 4 ? D_INCONSISTENT : D_CONSISTENT;
4500 	if (device->p_uuid && peer_state.disk >= D_NEGOTIATING &&
5209 	kfree(device->p_uuid);
5210 	device->p_uuid = NULL;