Re: [PATCH 4/4] iotests/iov-padding: New test

[Eric Blake]

On Fri, Mar 17, 2023 at 06:50:19PM +0100, Hanna Czenczek wrote:
> Test that even vectored IO requests with 1024 vector elements that are
> not aligned to the device's request alignment will succeed.
> 
> Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
> ---

> +
> +# Four combinations:
> +# - Offset 4096, length 1023 * 512 + 512: Fully aligned to 4k
> +# - Offset 4096, length 1023 * 512 + 4096: Head is aligned, tail is not

Making sure I understand - we don't care if intermediate iovs are
smaller than the alignment requirement, because the scatter-gather
effects will pool it together and our overall request is still
aligned.  Correct?

Reviewed-by: Eric Blake <eblake@redhat.com>

-- 
Eric Blake, Principal Software Engineer
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