From: Luiz Capitulino <lcapitulino@redhat.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Kevin Wolf <kwolf@redhat.com>, uril@redhat.com, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: [PATCH 0/3]: BLOCK_WATERMARK QMP event
Date: Wed, 10 Mar 2010 18:11:07 -0300 [thread overview]
Message-ID: <20100310181107.494ef0ab@redhat.com> (raw)
In-Reply-To: <20100310092843.GA19482@lst.de>
On Wed, 10 Mar 2010 10:28:43 +0100
Christoph Hellwig <hch@lst.de> wrote:
> On Wed, Mar 10, 2010 at 09:33:31AM +0100, Kevin Wolf wrote:
> > When should a low watermark trigger? Images only ever grow, so testing
> > if the highest allocated block goes below some watermark would never
> > work (except for some unlikely special cases like deleting a snapshot
> > after which no new clusters have been allocated).
>
> Wither proper guest support images can shrink. I'm about to land
> support for that in qemu, although for now just for every limited
> setups.
It were this kind of future functionality I was concerned about.
prev parent reply other threads:[~2010-03-10 21:11 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-09 22:53 [Qemu-devel] [PATCH 0/3]: BLOCK_WATERMARK QMP event Luiz Capitulino
2010-03-09 22:53 ` [Qemu-devel] [PATCH 1/3] block-qcow2: keep highest allocated offset Luiz Capitulino
2010-03-09 22:53 ` [Qemu-devel] [PATCH 2/3] monitor: Introduce block_watermark command Luiz Capitulino
2010-03-09 22:53 ` [Qemu-devel] [PATCH 3/3] QMP: Introduce BLOCK_WATERMARK event Luiz Capitulino
2010-03-09 23:03 ` [Qemu-devel] [PATCH 0/3]: BLOCK_WATERMARK QMP event Anthony Liguori
2010-03-09 23:18 ` Luiz Capitulino
2010-03-09 23:08 ` Anthony Liguori
2010-03-09 23:22 ` Luiz Capitulino
2010-03-09 23:25 ` Luiz Capitulino
2010-03-09 23:55 ` Anthony Liguori
2010-03-10 21:02 ` Luiz Capitulino
2010-03-09 23:46 ` Anthony Liguori
2010-03-10 8:40 ` Kevin Wolf
2010-03-10 21:09 ` Luiz Capitulino
2010-03-10 21:20 ` Anthony Liguori
2010-03-11 8:34 ` Kevin Wolf
2010-03-11 14:19 ` Anthony Liguori
2010-03-11 14:58 ` Avi Kivity
2010-03-11 15:07 ` Anthony Liguori
2010-03-11 15:09 ` Avi Kivity
2010-03-11 16:16 ` Kevin Wolf
2010-03-10 8:33 ` [Qemu-devel] " Kevin Wolf
2010-03-10 9:28 ` Christoph Hellwig
2010-03-10 21:11 ` Luiz Capitulino [this message]
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