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iscsi: ignore flushes on scsi-generic devices

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Non-block SCSI devices do not support flushing, but we may still send
them requests via bdrv_flush_all.  Just ignore them.

Reviewed-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2014-04-02 15:04:41 +02:00
parent 27898a5daa
commit b2f9c08a4f
1 changed files with 4 additions and 0 deletions
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4
block/iscsi.c
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@ -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: