pvscsi_convert_sglist(PVSCSIRequest *r) { int chunk_size; uint64_t data_length = r->req.dataLen; PVSCSISGState sg = r->sg; while (data_length) { while (!sg.resid) { pvscsi_get_next_sg_elem(&sg); trace_pvscsi_convert_sglist(r->req.context, r->sg.dataAddr, r->sg.resid); } assert(data_length > 0); chunk_size = MIN((unsigned) data_length, sg.resid); if (chunk_size) { qemu_sglist_add(&r->sgl, sg.dataAddr, chunk_size); } sg.dataAddr += chunk_size; data_length -= chunk_size; sg.resid -= chunk_size; } }