Re: [Qemu-devel] [PATCH 1/3] Add specialized block driver scsi generic API

[Avi Kivity]

Christoph Hellwig wrote:
> The patch series (now posted) makes all aio APIs use iovecs.  The
> current non-iovec based SG API would require some nasty shims allocating
> nested aiocbs.  Or we could just make the sg aio methods fake-ioveced
> which is the solution I had before your split, always adding a
> one-element iovec to the scsi-generic request structure.
>   

I'd go for having everything vectored.  It's how non-1962 hardware works.

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