From: Luiz Capitulino <lcapitulino@redhat.com>
To: Ryan Harper <ryanh@us.ibm.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
qemu-devel@nongnu.org, Markus Armbruster <armbru@redhat.com>,
Anthony Liguori <aliguori@linux.vnet.ibm.com>,
Stefan Hajnoczi <stefan.hajnoczi@uk.ibm.com>,
hch@lst.de
Subject: Re: [Qemu-devel] [PATCH 0/2] v3 Decouple block device removal from device removal
Date: Fri, 22 Oct 2010 13:48:50 -0200 [thread overview]
Message-ID: <20101022134850.083085dd@doriath> (raw)
In-Reply-To: <1287716153-25305-1-git-send-email-ryanh@us.ibm.com>
On Thu, 21 Oct 2010 21:55:51 -0500
Ryan Harper <ryanh@us.ibm.com> wrote:
> This patch series decouples the detachment of a block device from the removal
> of the backing pci-device. Removal of a hotplugged pci device requires the
> guest to respond before qemu tears down the block device. In some cases, the
> guest may not respond leaving the guest with continued access to the block
> device.
>
> The new monitor command, drive_unplug, will revoke a guests access to the
> block device independently of the removal of the pci device.
>
> The first patch adds a new drive find method, the second patch implements the
> monitor command and block layer changes.
Reviewed the monitor part, I think we're waiting for Kevin's and/or
Markus's ACK to get this merged?
>
> Changes since v2:
> - Added QMP command for drive_unplug()
>
> Changes since v1:
> - CodingStyle fixes
> - Added qemu_aio_flush() to bdrv_unplug()
>
> Signed-off-by: Ryan Harper <ryanh@us.ibm.com>
>
next prev parent reply other threads:[~2010-10-22 16:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-22 2:55 [Qemu-devel] [PATCH 0/2] v3 Decouple block device removal from device removal Ryan Harper
2010-10-22 2:55 ` [Qemu-devel] [PATCH 1/2] v2 Add drive_get_by_id Ryan Harper
2010-10-22 15:41 ` Luiz Capitulino
2010-10-22 2:55 ` [Qemu-devel] [PATCH 2/2] v3 Fix Block Hotplug race with drive_unplug() Ryan Harper
2010-10-22 15:46 ` Luiz Capitulino
2010-10-22 15:48 ` Luiz Capitulino [this message]
2010-10-22 16:11 ` [Qemu-devel] [PATCH 0/2] v3 Decouple block device removal from device removal Kevin Wolf
2010-10-22 16:58 ` Ryan Harper
2010-10-25 18:31 ` Ryan Harper
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