390 static void dispatch_io(int op, int op_flags, unsigned int num_regions,  in dispatch_io()  argument
397 	BUG_ON(num_regions > DM_IO_MAX_REGIONS);  in dispatch_io()
406 	for (i = 0; i < num_regions; i++) {  in dispatch_io()
432 static int sync_io(struct dm_io_client *client, unsigned int num_regions,  in sync_io()  argument
439 	if (num_regions > 1 && !op_is_write(op)) {  in sync_io()
456 	dispatch_io(op, op_flags, num_regions, where, dp, io, 1);  in sync_io()
466 static int async_io(struct dm_io_client *client, unsigned int num_regions,  in async_io()  argument
472 	if (num_regions > 1 && !op_is_write(op)) {  in async_io()
488 	dispatch_io(op, op_flags, num_regions, where, dp, io, 0);  in async_io()
537 int dm_io(struct dm_io_request *io_req, unsigned num_regions,  in dm_io()  argument
548 		return sync_io(io_req->client, num_regions, where,  in dm_io()
552 	return async_io(io_req->client, num_regions, where, io_req->bi_op,  in dm_io()