From: Christoph Hellwig <hch@lst.de>
To: Markus Armbruster <armbru@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 3/3] cow: use qemu block API
Date: Tue, 8 Jun 2010 10:52:34 +0200 [thread overview]
Message-ID: <20100608085234.GA25951@lst.de> (raw)
In-Reply-To: <m3k4qbauyr.fsf@blackfin.pond.sub.org>
On Mon, Jun 07, 2010 at 02:27:40PM +0200, Markus Armbruster wrote:
> Christoph Hellwig <hch@lst.de> writes:
>
> > Use bdrv_pwrite to access the backing device instead of pread, and
> > convert the driver to implementing the bdrv_open method which gives
> > it an already opened BlockDriverState for the underlying device.
> >
> > Signed-off-by: Christoph Hellwig <hch@lst.de>
>
> In my (admittedly limited) understanding, we need this for sane protocol
> handling in -blockdev & friends.
Yes - not just in -blockdev but also in general.
next prev parent reply other threads:[~2010-06-08 8:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-07 10:06 [Qemu-devel] [PATCH 3/3] cow: use qemu block API Christoph Hellwig
2010-06-07 12:27 ` Markus Armbruster
2010-06-08 8:52 ` Christoph Hellwig [this message]
2010-06-08 16:50 ` Kevin Wolf
-- strict thread matches above, loose matches on Subject: below --
2010-05-07 15:16 [Qemu-devel] [PATCH 0/3] cow conversion to the " Christoph Hellwig
2010-05-07 15:17 ` [Qemu-devel] [PATCH 3/3] cow: use qemu " Christoph Hellwig
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