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Re: [Qemu-devel] [PATCH 0/5] Auto-fragment large transactions at the blo
From: |
Fam Zheng |
Subject: |
Re: [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>
- [Qemu-devel] [PATCH 2/5] block: Fragment writes to max transfer length, (continued)
- [Qemu-devel] [PATCH 2/5] block: Fragment writes to max transfer length, Eric Blake, 2016/06/20
- [Qemu-devel] [PATCH 3/5] raw_bsd: Don't advertise flags not supported by protocol layer, Eric Blake, 2016/06/20
- [Qemu-devel] [PATCH 4/5] nbd: Rely on block layer to break up large requests, Eric Blake, 2016/06/20
- [Qemu-devel] [PATCH 6/5] iscsi: Rely on block layer to break up large requests, Eric Blake, 2016/06/20
- Re: [Qemu-devel] [PATCH 0/5] Auto-fragment large transactions at the block layer, Eric Blake, 2016/06/21
- Re: [Qemu-devel] [PATCH 0/5] Auto-fragment large transactions at the block layer, Stefan Hajnoczi, 2016/06/21
- Re: [Qemu-devel] [PATCH 0/5] Auto-fragment large transactions at the block layer,
Fam Zheng <=