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Re: [Qemu-block] [Qemu-devel] [PATCH 0/5] Auto-fragment large transactio

From: Fam Zheng
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH 0/5] Auto-fragment large transactions at the block layer
Date: Wed, 22 Jun 2016 13:54:41 +0800
User-agent: Mutt/1.6.1 (2016-04-27)

On Mon, 06/20 17:39, Eric Blake wrote:
> We have max_transfer documented in BlockLimits, but while we
> honor it during pwrite_zeroes, we were blindly ignoring it
> during pwritev and preadv, leading to multiple drivers having
> to implement fragmentation themselves.  This series moves
> fragmentation to the block layer, then fixes the NBD driver to
> use it; if you like this but it needs a v2, you can request that
> I further do other drivers (I know at least iscsi and qcow2 do
> some self-fragmenting and/or error reporting that can be
> simplified by deferring fragmentation to the block layer).
> Prequisite: 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
> Also available as a tag at:
> git fetch git://repo.or.cz/qemu/ericb.git nbd-fragment-v1

Patches 1-6:

Reviewed-by: Fam Zheng <address@hidden>

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