234 	error = PTR_ERR(req->private_bio);  in drbd_req_complete()
1046 	if (req->private_bio) {  in do_remote_read()
1049 			bio_put(req->private_bio);  in do_remote_read()
1050 			req->private_bio = NULL;  in do_remote_read()
1058 	if (req->private_bio == NULL)  in do_remote_read()
1068 	if (rbm == RB_PREFER_LOCAL && req->private_bio)  in do_remote_read()
1072 		if (req->private_bio) {  in do_remote_read()
1073 			bio_put(req->private_bio);  in do_remote_read()
1074 			req->private_bio = NULL;  in do_remote_read()
1146 		req->private_bio->bi_status = BLK_STS_IOERR;  in drbd_process_discard_or_zeroes_req()
1147 	bio_endio(req->private_bio);  in drbd_process_discard_or_zeroes_req()
1154 	struct bio *bio = req->private_bio;  in drbd_submit_req_private_bio()
1223 		req->private_bio = bio_alloc_clone(device->ldev->backing_bdev,  in drbd_request_prepare()
1226 		req->private_bio->bi_private = req;  in drbd_request_prepare()
1227 		req->private_bio->bi_end_io = drbd_request_endio;  in drbd_request_prepare()
1235 	if (rw == WRITE && req->private_bio && req->i.size  in drbd_request_prepare()
1343 		if (req->private_bio) {  in drbd_send_and_submit()
1344 			bio_put(req->private_bio);  in drbd_send_and_submit()
1345 			req->private_bio = NULL;  in drbd_send_and_submit()
1355 		if (!do_remote_read(req) && !req->private_bio)  in drbd_send_and_submit()
1372 		if (req->private_bio && !may_do_writes(device)) {  in drbd_send_and_submit()
1373 			bio_put(req->private_bio);  in drbd_send_and_submit()
1374 			req->private_bio = NULL;  in drbd_send_and_submit()
1383 		if (req->private_bio == NULL) {  in drbd_send_and_submit()
1401 	if (req->private_bio) {  in drbd_send_and_submit()
1452 		&& req->private_bio && req->i.size  in submit_fast_path()