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From: Kevin Wolf <kwolf@redhat.com>
To: Max Reitz <mreitz@redhat.com>
Cc: Eric Blake <eblake@redhat.com>, Alberto Garcia <berto@igalia.com>,
	qemu-devel@nongnu.org, qemu-block@nongnu.org,
	Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [Qemu-devel] proposed qcow2 extension: cluster reservations [was: [RFC] Proposed qcow2 extension: subcluster allocation
Date: Mon, 24 Apr 2017 13:45:27 +0200	[thread overview]
Message-ID: <20170424114527.GE4739@noname.redhat.com> (raw)
In-Reply-To: <1877dc76-87e0-650c-d76a-44e6e7754a2b@redhat.com>

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Am 22.04.2017 um 19:56 hat Max Reitz geschrieben:
> On 21.04.2017 23:09, Eric Blake wrote:
> > And meanwhile, it looks like I have some patches to propose (and
> > qemu-iotests to write) if I can help fix the bugs I've pointed out.
> 
> You mean these?
> https://github.com/XanClic/qemu/commits/random-qcow2-stuff-v1
> 
> ;-)
> 
> I'll send them once I've written tests.

You were quicker with writing the patches than I could reply that I
already started a patch to reuse preallocated zero clusters, but never
got around to finish it:

http://repo.or.cz/qemu/kevin.git/commitdiff/60b9f813bb258978455944b4ace1ab5d93b5e7d4

I seem to remember that it still had a problem (and probably also the
refcount > 0 bug that Eric mentioned), but maybe you can reuse at least
the test case from there.

Kevin

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  reply	other threads:[~2017-04-24 11:45 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-06 15:01 [Qemu-devel] [RFC] Proposed qcow2 extension: subcluster allocation Alberto Garcia
2017-04-06 16:40 ` Eric Blake
2017-04-07  8:49   ` Alberto Garcia
2017-04-07 12:41   ` Kevin Wolf
2017-04-07 14:24     ` Alberto Garcia
2017-04-21 21:09   ` [Qemu-devel] proposed qcow2 extension: cluster reservations [was: " Eric Blake
2017-04-22 17:56     ` Max Reitz
2017-04-24 11:45       ` Kevin Wolf [this message]
2017-04-24 12:46       ` Alberto Garcia
2017-04-07 12:20 ` [Qemu-devel] " Stefan Hajnoczi
2017-04-07 12:24   ` Alberto Garcia
2017-04-07 13:01   ` Kevin Wolf
2017-04-10 15:32     ` Stefan Hajnoczi
2017-04-07 17:10 ` Max Reitz
2017-04-10  8:42   ` Kevin Wolf
2017-04-10 15:03     ` Max Reitz
2017-04-11 12:56   ` Alberto Garcia
2017-04-11 14:04     ` Max Reitz
2017-04-11 14:31       ` Alberto Garcia
2017-04-11 14:45         ` [Qemu-devel] [Qemu-block] " Eric Blake
2017-04-12 12:41           ` Alberto Garcia
2017-04-12 14:10             ` Max Reitz
2017-04-13  8:05               ` Alberto Garcia
2017-04-13  9:02                 ` Kevin Wolf
2017-04-13  9:05                   ` Alberto Garcia
2017-04-11 14:49         ` [Qemu-devel] " Kevin Wolf
2017-04-11 14:58           ` Eric Blake
2017-04-11 14:59           ` Max Reitz
2017-04-11 15:08             ` Eric Blake
2017-04-11 15:18               ` Max Reitz
2017-04-11 15:29                 ` Kevin Wolf
2017-04-11 15:29                   ` Max Reitz
2017-04-11 15:30                 ` Eric Blake
2017-04-11 15:34                   ` Max Reitz
2017-04-12 12:47           ` Alberto Garcia
2017-04-12 16:54 ` Denis V. Lunev
2017-04-13 11:58   ` Alberto Garcia
2017-04-13 12:44     ` Denis V. Lunev
2017-04-13 13:05       ` Kevin Wolf
2017-04-13 13:09         ` Denis V. Lunev
2017-04-13 13:36           ` Alberto Garcia
2017-04-13 14:06             ` Denis V. Lunev
2017-04-13 13:21       ` Alberto Garcia
2017-04-13 13:30         ` Denis V. Lunev
2017-04-13 13:59           ` Kevin Wolf
2017-04-13 15:04           ` Alberto Garcia
2017-04-13 15:17             ` Denis V. Lunev
2017-04-18 11:52               ` Alberto Garcia
2017-04-18 17:27                 ` Denis V. Lunev
2017-04-13 13:51         ` Kevin Wolf
2017-04-13 14:15           ` Alberto Garcia
2017-04-13 14:27             ` Kevin Wolf
2017-04-13 16:42               ` [Qemu-devel] [Qemu-block] " Roman Kagan
2017-04-13 14:42           ` [Qemu-devel] " Denis V. Lunev
2017-04-12 17:55 ` Denis V. Lunev
2017-04-12 18:20   ` Eric Blake
2017-04-12 19:02     ` Denis V. Lunev
2017-04-13  9:44       ` Kevin Wolf
2017-04-13 10:19         ` Denis V. Lunev
2017-04-14  1:06           ` [Qemu-devel] [Qemu-block] " John Snow
2017-04-14  4:17             ` Denis V. Lunev
2017-04-18 11:22               ` Kevin Wolf
2017-04-18 17:30                 ` Denis V. Lunev
2017-04-14  7:40             ` Roman Kagan

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