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Re: [Qemu-devel] [Xen-devel] [PATCH] xen: fix qdisk BLKIF_OP_DISCARD for

From: Jan Beulich
Subject: Re: [Qemu-devel] [Xen-devel] [PATCH] xen: fix qdisk BLKIF_OP_DISCARD for 32/64 word size mix
Date: Thu, 16 Jun 2016 05:17:17 -0600

>>> On 16.06.16 at 13:04, <address@hidden> wrote:
> On 16/06/16 12:54, Jan Beulich wrote:
>>>>> On 16.06.16 at 12:02, <address@hidden> wrote:
>>> In case the word size of the domU and qemu running the qdisk backend
>>> differ BLKIF_OP_DISCARD will not work reliably, as the request
>>> structure in the ring have different layouts for different word size.
>>> Correct this by copying the request structure in case of different
>>> word size element by element in the BLKIF_OP_DISCARD case, too.
>>> Signed-off-by: Juergen Gross <address@hidden>
>> With the indentation (tabs vs blanks) fixed
> Hmm, qemu coding style is to use blanks. I could:
> a) leave the patch as is (changed lines indented with blanks)
> b) use tabs to indent (style of the modified file up to now)
> c) change the style of the file in this patch
> d) change the style of the file in a separate patch
> Any preferences?

I'd say a) is not an option, but beyond that I think this needs to be
answered by the qemu maintainers.


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