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Re: [Qemu-block] [Qemu-devel] [PATCH v2 08/17] blkdebug: Set request_ali

From: Fam Zheng
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH v2 08/17] blkdebug: Set request_alignment during .bdrv_refresh_limits()
Date: Thu, 16 Jun 2016 13:27:29 +0800
User-agent: Mutt/1.6.1 (2016-04-27)

On Tue, 06/14 15:30, Eric Blake wrote:
> We want to eventually stick request_alignment alongside other
> BlockLimits, but first, we must ensure it is populated at the
> same time as all other limits, rather than being a special case
> that is set only when a block is first opened.
> qemu-iotests 77 is particularly sensitive to the fact that we
> can specify an artificial alignment override in blkdebug, and
> that override must continue to work even when limits are
> refreshed on an already open device.
> A later patch will be altering when bs->request_alignment
> defaults are set, so fall back to sector alignment if we have
> not inherited anything yet.
> Signed-off-by: Eric Blake <address@hidden>

Reviewed-by: Fam Zheng <address@hidden>

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