Paolo Bonzini 5fd2b563a7 scsi-disk: identify AIO callbacks more clearly ...

Functions that are not callbacks should assert that aiocb is NULL and
have a non-opaque argument (usually a pointer to SCSIDiskReq).

AIO callbacks should assert that aiocb is not NULL and take care of
calling block_acct done.  They also have an opaque argument.

Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

2015-08-14 23:40:32 +02:00

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