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Re: [Qemu-devel] [PATCH 0/2] v3 Decouple block device removal from devic
Re: [Qemu-devel] [PATCH 0/2] v3 Decouple block device removal from device removal
Fri, 22 Oct 2010 13:48:50 -0200
On Thu, 21 Oct 2010 21:55:51 -0500
Ryan Harper <address@hidden> 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
> 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 <address@hidden>