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Re: [Qemu-block] [Qemu-devel] [PATCH v3 0/9] block: Fixes for bdrv_drain

From: Fam Zheng
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH v3 0/9] block: Fixes for bdrv_drain
Date: Mon, 9 Nov 2015 21:15:34 +0800
User-agent: Mutt/1.5.21 (2010-09-15)

On Mon, 11/09 11:42, Stefan Hajnoczi wrote:
> On Mon, Nov 09, 2015 at 10:56:39AM +0800, Fam Zheng wrote:
> > v3: Don't reuse coroutine in bdrv_aio_ioctl. [Stefan]
> >     Recursely call .bdrv_drain callback only. [Stefan, Paolo]
> I don't understand this change.  I thought you want .bdrv_drain() to be
> called on the whole tree, but the latest code seems to call it on the
> root and children only.  It doesn't recurse the only the root and first
> level of the tree get .bdrv_drain() calls.  Is this intentional?

Right, v4 posted, please ignore this.

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