static void scsi_unmap_complete(void *opaque, int ret) { UnmapCBData *data = opaque; SCSIDiskReq *r = data->r; SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); uint64_t sector_num; uint32_t nb_sectors; r->req.aiocb = NULL; if (ret < 0) { if (scsi_handle_rw_error(r, -ret)) { goto done; } } if (data->count > 0 && !r->req.io_canceled) { sector_num = ldq_be_p(&data->inbuf[0]); nb_sectors = ldl_be_p(&data->inbuf[8]) & 0xffffffffULL; if (sector_num > sector_num + nb_sectors || sector_num + nb_sectors - 1 > s->qdev.max_lba) { scsi_check_condition(r, SENSE_CODE(LBA_OUT_OF_RANGE)); goto done; } r->req.aiocb = bdrv_aio_discard(s->qdev.conf.bs, sector_num * (s->qdev.blocksize / 512), nb_sectors * (s->qdev.blocksize / 512), scsi_unmap_complete, data); data->count--; data->inbuf += 16; return; } done: if (data->count == 0) { scsi_req_complete(&r->req, GOOD); } if (!r->req.io_canceled) { scsi_req_unref(&r->req); } g_free(data); }