diff options
| -rw-r--r-- | block/iscsi.c | 19 | ||||
| -rw-r--r-- | hw/scsi/scsi-bus.c | 1 |
2 files changed, 13 insertions, 7 deletions
diff --git a/block/iscsi.c b/block/iscsi.c index b490e98..21c18a3 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -417,6 +417,10 @@ static int coroutine_fn iscsi_co_flush(BlockDriverState *bs) IscsiLun *iscsilun = bs->opaque; struct IscsiTask iTask; + if (bs->sg) { + return 0; + } + iscsi_co_init_iscsitask(iscsilun, &iTask); retry: @@ -838,7 +842,8 @@ retry: if (iTask.status == SCSI_STATUS_CHECK_CONDITION && iTask.task->sense.key == SCSI_SENSE_ILLEGAL_REQUEST && - iTask.task->sense.ascq == SCSI_SENSE_ASCQ_INVALID_OPERATION_CODE) { + (iTask.task->sense.ascq == SCSI_SENSE_ASCQ_INVALID_OPERATION_CODE || + iTask.task->sense.ascq == SCSI_SENSE_ASCQ_INVALID_FIELD_IN_CDB)) { /* WRITE SAME is not supported by the target */ iscsilun->has_write_same = false; scsi_free_scsi_task(iTask.task); @@ -1330,18 +1335,20 @@ static int iscsi_refresh_limits(BlockDriverState *bs) /* We don't actually refresh here, but just return data queried in * iscsi_open(): iscsi targets don't change their limits. */ - if (iscsilun->lbp.lbpu || iscsilun->lbp.lbpws) { + if (iscsilun->lbp.lbpu) { if (iscsilun->bl.max_unmap < 0xffffffff) { bs->bl.max_discard = sector_lun2qemu(iscsilun->bl.max_unmap, iscsilun); } bs->bl.discard_alignment = sector_lun2qemu(iscsilun->bl.opt_unmap_gran, iscsilun); + } - if (iscsilun->bl.max_ws_len < 0xffffffff) { - bs->bl.max_write_zeroes = sector_lun2qemu(iscsilun->bl.max_ws_len, - iscsilun); - } + if (iscsilun->bl.max_ws_len < 0xffffffff) { + bs->bl.max_write_zeroes = sector_lun2qemu(iscsilun->bl.max_ws_len, + iscsilun); + } + if (iscsilun->lbp.lbpws) { bs->bl.write_zeroes_alignment = sector_lun2qemu(iscsilun->bl.opt_unmap_gran, iscsilun); } diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c index eaad925..ae921a6 100644 --- a/hw/scsi/scsi-bus.c +++ b/hw/scsi/scsi-bus.c @@ -101,7 +101,6 @@ static void scsi_dma_restart_bh(void *opaque) scsi_req_continue(req); break; case SCSI_XFER_NONE: - assert(!req->sg); scsi_req_dequeue(req); scsi_req_enqueue(req); break; |
