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Re: [Qemu-block] [Qemu-devel] [PATCH 00/17] byte-based block discard

From: Eric Blake
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH 00/17] byte-based block discard
Date: Thu, 14 Jul 2016 06:30:56 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0

On 06/22/2016 09:50 AM, Eric Blake wrote:
> Another step towards making NBD pass a byte-aligned discard
> request over the wire.  Actually, until both raw_bsd.c and
> nbd-client.c support .bdrv_co_preadv(), the block layer still
> sets up a required_alignment of 512, so with this series alone,
> the NBD_CMD_TRIM requests are still aligned to sector
> boundaries (but now the logic is central to the block layer
> rather than NBD).  So you can probably figure out what my next
> series will be :)
> Prerequisite: Kevin's block branch, plus my work on byte-based
> block limits (v2 at the moment):
> https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg04006.html
> and tested (but probably not hard requirement) on top of my
> work on auto-fragmenting:
> https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg05819.html
> Also available as a tag at:
> git fetch git://repo.or.cz/qemu/ericb.git nbd-discard-v1

I'll have to rebase this series on top of current master, but you can
still review for conceptual correctness.

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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