diff options
author | Peter Maydell <peter.maydell@linaro.org> | 2014-04-03 12:24:35 +0100 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2014-04-03 12:24:35 +0100 |
commit | 784a5592c9e7721d9035a83570f09a286cf75284 (patch) | |
tree | a40de13d4c39a9fd9c3a6d33bfd97668cfff3141 /block | |
parent | 97891afab801a31dc65e265ff9210a951b952e76 (diff) | |
parent | c97ca29db0a68deb281a901f535cec5ea4862244 (diff) |
Merge remote-tracking branch 'remotes/bonzini/scsi-next' into staging
* remotes/bonzini/scsi-next:
iscsi: always query max WRITE SAME length
iscsi: ignore flushes on scsi-generic devices
iscsi: recognize "invalid field" ASCQ from WRITE SAME command
scsi-bus: remove bogus assertion
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'block')
-rw-r--r-- | block/iscsi.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/block/iscsi.c b/block/iscsi.c index b490e98c05..21c18a39dc 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); } |