97 static void drbd_endio_read_sec_final(struct drbd_peer_request *peer_req) __releases(local)  in drbd_endio_read_sec_final()  argument
100 	struct drbd_peer_device *peer_device = peer_req->peer_device;  in drbd_endio_read_sec_final()
104 	device->read_cnt += peer_req->i.size >> 9;  in drbd_endio_read_sec_final()
105 	list_del(&peer_req->w.list);  in drbd_endio_read_sec_final()
108 	if (test_bit(__EE_WAS_ERROR, &peer_req->flags))  in drbd_endio_read_sec_final()
112 	drbd_queue_work(&peer_device->connection->sender_work, &peer_req->w);  in drbd_endio_read_sec_final()
118 void drbd_endio_write_sec_final(struct drbd_peer_request *peer_req) __releases(local)  in drbd_endio_write_sec_final()  argument
121 	struct drbd_peer_device *peer_device = peer_req->peer_device;  in drbd_endio_write_sec_final()
132 	i = peer_req->i;  in drbd_endio_write_sec_final()
133 	do_al_complete_io = peer_req->flags & EE_CALL_AL_COMPLETE_IO;  in drbd_endio_write_sec_final()
134 	block_id = peer_req->block_id;  in drbd_endio_write_sec_final()
135 	peer_req->flags &= ~EE_CALL_AL_COMPLETE_IO;  in drbd_endio_write_sec_final()
138 	device->writ_cnt += peer_req->i.size >> 9;  in drbd_endio_write_sec_final()
139 	list_move_tail(&peer_req->w.list, &device->done_ee);  in drbd_endio_write_sec_final()
153 	if (peer_req->flags & EE_WAS_ERROR)  in drbd_endio_write_sec_final()
175 	struct drbd_peer_request *peer_req = bio->bi_private;  in drbd_peer_request_endio()  local
176 	struct drbd_device *device = peer_req->peer_device->device;  in drbd_peer_request_endio()
185 				(unsigned long long)peer_req->i.sector);  in drbd_peer_request_endio()
190 					(unsigned long long)peer_req->i.sector);  in drbd_peer_request_endio()
198 		set_bit(__EE_WAS_ERROR, &peer_req->flags);  in drbd_peer_request_endio()
201 	if (atomic_dec_and_test(&peer_req->pending_bios)) {  in drbd_peer_request_endio()
203 			drbd_endio_write_sec_final(peer_req);  in drbd_peer_request_endio()
205 			drbd_endio_read_sec_final(peer_req);  in drbd_peer_request_endio()
294 void drbd_csum_ee(struct crypto_hash *tfm, struct drbd_peer_request *peer_req, void *digest)  in drbd_csum_ee()  argument
298 	struct page *page = peer_req->pages;  in drbd_csum_ee()
315 	len = peer_req->i.size & (PAGE_SIZE - 1);  in drbd_csum_ee()
344 	struct drbd_peer_request *peer_req = container_of(w, struct drbd_peer_request, w);  in w_e_send_csum()  local
345 	struct drbd_peer_device *peer_device = peer_req->peer_device;  in w_e_send_csum()
354 	if (unlikely((peer_req->flags & EE_WAS_ERROR) != 0))  in w_e_send_csum()
360 		sector_t sector = peer_req->i.sector;  in w_e_send_csum()
361 		unsigned int size = peer_req->i.size;  in w_e_send_csum()
362 		drbd_csum_ee(peer_device->connection->csums_tfm, peer_req, digest);  in w_e_send_csum()
368 		drbd_free_peer_req(device, peer_req);  in w_e_send_csum()
369 		peer_req = NULL;  in w_e_send_csum()
381 	if (peer_req)  in w_e_send_csum()
382 		drbd_free_peer_req(device, peer_req);  in w_e_send_csum()
394 	struct drbd_peer_request *peer_req;  in read_for_csum()  local
401 	peer_req = drbd_alloc_peer_req(peer_device, ID_SYNCER /* unused */, sector,  in read_for_csum()
403 	if (!peer_req)  in read_for_csum()
406 	peer_req->w.cb = w_e_send_csum;  in read_for_csum()
408 	list_add_tail(&peer_req->w.list, &device->read_ee);  in read_for_csum()
412 	if (drbd_submit_peer_request(device, peer_req, READ, DRBD_FAULT_RS_RD) == 0)  in read_for_csum()
420 	list_del(&peer_req->w.list);  in read_for_csum()
423 	drbd_free_peer_req(device, peer_req);  in read_for_csum()
997 static void move_to_net_ee_or_free(struct drbd_device *device, struct drbd_peer_request *peer_req)  in move_to_net_ee_or_free()  argument
999 	if (drbd_peer_req_has_active_page(peer_req)) {  in move_to_net_ee_or_free()
1001 		int i = (peer_req->i.size + PAGE_SIZE -1) >> PAGE_SHIFT;  in move_to_net_ee_or_free()
1005 		list_add_tail(&peer_req->w.list, &device->net_ee);  in move_to_net_ee_or_free()
1009 		drbd_free_peer_req(device, peer_req);  in move_to_net_ee_or_free()
1020 	struct drbd_peer_request *peer_req = container_of(w, struct drbd_peer_request, w);  in w_e_end_data_req()  local
1021 	struct drbd_peer_device *peer_device = peer_req->peer_device;  in w_e_end_data_req()
1026 		drbd_free_peer_req(device, peer_req);  in w_e_end_data_req()
1031 	if (likely((peer_req->flags & EE_WAS_ERROR) == 0)) {  in w_e_end_data_req()
1032 		err = drbd_send_block(peer_device, P_DATA_REPLY, peer_req);  in w_e_end_data_req()
1036 			    (unsigned long long)peer_req->i.sector);  in w_e_end_data_req()
1038 		err = drbd_send_ack(peer_device, P_NEG_DREPLY, peer_req);  in w_e_end_data_req()
1043 	move_to_net_ee_or_free(device, peer_req);  in w_e_end_data_req()
1057 	struct drbd_peer_request *peer_req = container_of(w, struct drbd_peer_request, w);  in w_e_end_rsdata_req()  local
1058 	struct drbd_peer_device *peer_device = peer_req->peer_device;  in w_e_end_rsdata_req()
1063 		drbd_free_peer_req(device, peer_req);  in w_e_end_rsdata_req()
1069 		drbd_rs_complete_io(device, peer_req->i.sector);  in w_e_end_rsdata_req()
1074 		err = drbd_send_ack(peer_device, P_RS_CANCEL, peer_req);  in w_e_end_rsdata_req()
1075 	} else if (likely((peer_req->flags & EE_WAS_ERROR) == 0)) {  in w_e_end_rsdata_req()
1078 			err = drbd_send_block(peer_device, P_RS_DATA_REPLY, peer_req);  in w_e_end_rsdata_req()
1088 			    (unsigned long long)peer_req->i.sector);  in w_e_end_rsdata_req()
1090 		err = drbd_send_ack(peer_device, P_NEG_RS_DREPLY, peer_req);  in w_e_end_rsdata_req()
1093 		drbd_rs_failed_io(device, peer_req->i.sector, peer_req->i.size);  in w_e_end_rsdata_req()
1098 	move_to_net_ee_or_free(device, peer_req);  in w_e_end_rsdata_req()
1107 	struct drbd_peer_request *peer_req = container_of(w, struct drbd_peer_request, w);  in w_e_end_csum_rs_req()  local
1108 	struct drbd_peer_device *peer_device = peer_req->peer_device;  in w_e_end_csum_rs_req()
1116 		drbd_free_peer_req(device, peer_req);  in w_e_end_csum_rs_req()
1122 		drbd_rs_complete_io(device, peer_req->i.sector);  in w_e_end_csum_rs_req()
1126 	di = peer_req->digest;  in w_e_end_csum_rs_req()
1128 	if (likely((peer_req->flags & EE_WAS_ERROR) == 0)) {  in w_e_end_csum_rs_req()
1138 			drbd_csum_ee(peer_device->connection->csums_tfm, peer_req, digest);  in w_e_end_csum_rs_req()
1144 			drbd_set_in_sync(device, peer_req->i.sector, peer_req->i.size);  in w_e_end_csum_rs_req()
1146 			device->rs_same_csum += peer_req->i.size >> BM_BLOCK_SHIFT;  in w_e_end_csum_rs_req()
1147 			err = drbd_send_ack(peer_device, P_RS_IS_IN_SYNC, peer_req);  in w_e_end_csum_rs_req()
1150 			peer_req->block_id = ID_SYNCER; /* By setting block_id, digest pointer becomes invalid! */  in w_e_end_csum_rs_req()
1151 			peer_req->flags &= ~EE_HAS_DIGEST; /* This peer request no longer has a digest pointer */  in w_e_end_csum_rs_req()
1153 			err = drbd_send_block(peer_device, P_RS_DATA_REPLY, peer_req);  in w_e_end_csum_rs_req()
1156 		err = drbd_send_ack(peer_device, P_NEG_RS_DREPLY, peer_req);  in w_e_end_csum_rs_req()
1162 	move_to_net_ee_or_free(device, peer_req);  in w_e_end_csum_rs_req()
1171 	struct drbd_peer_request *peer_req = container_of(w, struct drbd_peer_request, w);  in w_e_end_ov_req()  local
1172 	struct drbd_peer_device *peer_device = peer_req->peer_device;  in w_e_end_ov_req()
1174 	sector_t sector = peer_req->i.sector;  in w_e_end_ov_req()
1175 	unsigned int size = peer_req->i.size;  in w_e_end_ov_req()
1190 	if (likely(!(peer_req->flags & EE_WAS_ERROR)))  in w_e_end_ov_req()
1191 		drbd_csum_ee(peer_device->connection->verify_tfm, peer_req, digest);  in w_e_end_ov_req()
1200 	drbd_free_peer_req(device, peer_req);  in w_e_end_ov_req()
1201 	peer_req = NULL;  in w_e_end_ov_req()
1209 	if (peer_req)  in w_e_end_ov_req()
1210 		drbd_free_peer_req(device, peer_req);  in w_e_end_ov_req()
1228 	struct drbd_peer_request *peer_req = container_of(w, struct drbd_peer_request, w);  in w_e_end_ov_reply()  local
1229 	struct drbd_peer_device *peer_device = peer_req->peer_device;  in w_e_end_ov_reply()
1233 	sector_t sector = peer_req->i.sector;  in w_e_end_ov_reply()
1234 	unsigned int size = peer_req->i.size;  in w_e_end_ov_reply()
1240 		drbd_free_peer_req(device, peer_req);  in w_e_end_ov_reply()
1248 		drbd_rs_complete_io(device, peer_req->i.sector);  in w_e_end_ov_reply()
1252 	di = peer_req->digest;  in w_e_end_ov_reply()
1254 	if (likely((peer_req->flags & EE_WAS_ERROR) == 0)) {  in w_e_end_ov_reply()
1258 			drbd_csum_ee(peer_device->connection->verify_tfm, peer_req, digest);  in w_e_end_ov_reply()
1271 	drbd_free_peer_req(device, peer_req);  in w_e_end_ov_reply()