From: Paolo Bonzini <pbonzini@redhat.com>
To: Markus Armbruster <armbru@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
qemu-devel@nongnu.org, Max Reitz <mreitz@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 3/3] block: remove legacy_dinfo at blk_detach_dev time
Date: Wed, 23 Mar 2016 10:40:21 +0100 [thread overview]
Message-ID: <56F26485.7050000@redhat.com> (raw)
In-Reply-To: <87wpotblh9.fsf@blackfin.pond.sub.org>
On 23/03/2016 10:18, Markus Armbruster wrote:
>> In Kevin's idea there would be no ownership either way. Until then, I
>> think my patch actually gets us closer to the ideal.
>
> I'm afraid it gets us closer to where we used to be six years ago :)
>
> Qdev drive properties used to point to a DriveInfo, and the DriveInfo
> pointed to BlockDriverState. Commit f8b6cc0 cut out the DriveInfo
> middleman. This was a tiny step towards DriveInfo-less blockdev-add.
>
> DriveInfo is legacy configuration. Tacking it to BlockBackend is simple
> and convenient. If it ceases to be simple and convenient, we can try to
> find another home. But it really has no life of its own!
I disagree; the life of DriveInfo is exactly the same as the -drive
QemuOpts. But anyway, with your idea of adding an unrealize callback to
the drive properties, I can move the extra reference within the device.
It should become cleaner.
Paolo
next prev parent reply other threads:[~2016-03-23 9:40 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-22 14:39 [Qemu-devel] [PATCH 0/3] Early release of -drive QemuOpts Paolo Bonzini
2016-02-22 14:39 ` [Qemu-devel] [PATCH 1/3] block: detach devices from DriveInfo at unrealize time Paolo Bonzini
2016-03-21 15:13 ` Markus Armbruster
2016-03-21 15:31 ` Paolo Bonzini
2016-03-21 17:19 ` Markus Armbruster
2016-03-21 17:30 ` Paolo Bonzini
2016-03-23 8:35 ` Markus Armbruster
2016-03-23 9:35 ` Paolo Bonzini
2016-03-22 22:15 ` Paolo Bonzini
2016-02-22 14:39 ` [Qemu-devel] [PATCH 2/3] block: keep BlockBackend alive until device finalize time Paolo Bonzini
2016-03-21 15:22 ` Markus Armbruster
2016-03-21 15:37 ` Paolo Bonzini
2016-02-22 14:39 ` [Qemu-devel] [PATCH 3/3] block: remove legacy_dinfo at blk_detach_dev time Paolo Bonzini
2016-03-21 16:15 ` Markus Armbruster
2016-03-21 16:21 ` Paolo Bonzini
2016-03-21 17:30 ` Markus Armbruster
2016-03-21 17:34 ` Paolo Bonzini
2016-03-21 18:14 ` Markus Armbruster
2016-03-22 8:19 ` Kevin Wolf
2016-03-22 10:25 ` Markus Armbruster
2016-03-22 22:07 ` Paolo Bonzini
2016-03-23 9:18 ` Markus Armbruster
2016-03-23 9:40 ` Paolo Bonzini [this message]
2016-03-23 12:13 ` Markus Armbruster
2016-03-21 17:39 ` Kevin Wolf
2016-03-21 18:02 ` Markus Armbruster
2016-03-22 22:10 ` Paolo Bonzini
2016-03-23 8:37 ` Markus Armbruster
2016-03-09 12:20 ` [Qemu-devel] [PATCH 0/3] Early release of -drive QemuOpts Paolo Bonzini
2016-03-09 12:30 ` Kevin Wolf
2016-03-09 12:53 ` Markus Armbruster
2016-03-17 17:00 ` Markus Armbruster
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