78 	unsigned short		operation;  member
170 			     int operation)  in xen_vbd_translate()  argument
175 	if ((operation != READ) && vbd->readonly)  in xen_vbd_translate()
374 		if (pending_req->operation != BLKIF_OP_READ)  in xen_blkbk_map()
444 	make_response(blkif, req->u.discard.id, req->operation, status);  in dispatch_discard_io()
473 	if ((pending_req->operation == BLKIF_OP_FLUSH_DISKCACHE) &&  in __end_block_io_op()
478 	} else if ((pending_req->operation == BLKIF_OP_WRITE_BARRIER) &&  in __end_block_io_op()
484 		pr_debug(DRV_PFX "Buffer not up-to-date at end of operation,"  in __end_block_io_op()
497 			      pending_req->operation, pending_req->status);  in __end_block_io_op()
570 		if (unlikely(req.operation == BLKIF_OP_DISCARD)) {  in __do_block_io_op()
614 	int operation;  in dispatch_rw_block_io()  local
618 	switch (req->operation) {  in dispatch_rw_block_io()
621 		operation = READ;  in dispatch_rw_block_io()
625 		operation = WRITE_ODIRECT;  in dispatch_rw_block_io()
631 		operation = WRITE_FLUSH;  in dispatch_rw_block_io()
634 		operation = 0; /* make gcc happy */  in dispatch_rw_block_io()
642 	if (unlikely(nseg == 0 && operation != WRITE_FLUSH) ||  in dispatch_rw_block_io()
656 	pending_req->operation = req->operation;  in dispatch_rw_block_io()
670 	if (xen_vbd_translate(&preq, blkif, operation) != 0) {  in dispatch_rw_block_io()
672 			 operation == READ ? "read" : "write",  in dispatch_rw_block_io()
733 	/* This will be hit if the operation was a flush or discard. */  in dispatch_rw_block_io()
735 		BUG_ON(operation != WRITE_FLUSH);  in dispatch_rw_block_io()
757 		submit_bio(operation, biolist[i]);  in dispatch_rw_block_io()
762 	if (operation == READ)  in dispatch_rw_block_io()
764 	else if (operation & WRITE)  in dispatch_rw_block_io()
773 	make_response(blkif, req->u.rw.id, req->operation, BLKIF_RSP_ERROR);  in dispatch_rw_block_io()
789  * Put a response on the ring on how the operation fared.
800 	resp.operation = op;  in make_response()