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From: Kevin Wolf <kwolf@redhat.com>
To: Christoph Hellwig <hch@lst.de>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 3/3 v2] dmg: use qemu block API
Date: Wed, 12 May 2010 17:51:43 +0200	[thread overview]
Message-ID: <4BEACE8F.5010205@redhat.com> (raw)
In-Reply-To: <20100512143149.GB13686@lst.de>

Am 12.05.2010 16:31, schrieb Christoph Hellwig:
> 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.
> 
> Dmg actually does an lseek to a negative offset in the open routine,
> which we replace with offset arithmetics after doing a bdrv_getlength.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Thanks, applied all to the block branch.

Kevin

      reply	other threads:[~2010-05-12 15:52 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-07 14:55 [Qemu-devel] [PATCH 0/3] dmg updates Christoph Hellwig
2010-05-07 14:55 ` [Qemu-devel] [PATCH 1/3] dmg: fix reading of uncompressed chunks Christoph Hellwig
2010-05-07 14:56 ` [Qemu-devel] [PATCH 2/3] dmg: use pread Christoph Hellwig
2010-05-10 10:07   ` Kevin Wolf
2010-05-10 20:20     ` Christoph Hellwig
2010-05-11  8:00       ` Kevin Wolf
2010-05-12 14:31   ` [Qemu-devel] [PATCH 2/3 v2] " Christoph Hellwig
2010-05-07 14:56 ` [Qemu-devel] [PATCH 3/3] dmg: use qemu block API Christoph Hellwig
2010-05-12 14:31   ` [Qemu-devel] [PATCH 3/3 v2] " Christoph Hellwig
2010-05-12 15:51     ` Kevin Wolf [this message]

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