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Re: [Qemu-devel] [PATCH 0/4] blockdev: support dataplane in QMP 'transac
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH 0/4] blockdev: support dataplane in QMP 'transaction' command |
Date: |
Wed, 26 Nov 2014 16:41:20 +0000 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Fri, Nov 21, 2014 at 10:48:56AM +0000, Stefan Hajnoczi wrote:
> These patches make the QMP 'transaction' command work with virtio-blk
> dataplane. Each 'transaction' action must take care to acquire AioContext
> around BlockDriverState accesses. Once that protection is in place we can
> unblock the op blockers for these commands.
>
> The meat is in Patch 3.
>
> Patches 1 & 2 are minor cleanups.
> Patch 4 protects the external snapshot command (oops, we forgot!).
>
> Stefan Hajnoczi (4):
> blockdev: update outdated qmp_transaction() comments
> blockdev: drop unnecessary DriveBackupState field assignment
> blockdev: acquire AioContext in QMP 'transaction' actions
> blockdev: check for BLOCK_OP_TYPE_EXTERNAL_SNAPSHOT
>
> blockdev.c | 74
> +++++++++++++++++++++++++++++++++--------
> hw/block/dataplane/virtio-blk.c | 2 ++
> 2 files changed, 63 insertions(+), 13 deletions(-)
>
> --
> 2.1.0
>
>
Applied to my block-next tree:
https://github.com/stefanha/qemu/commits/block-next
Stefan
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- Re: [Qemu-devel] [PATCH 1/4] blockdev: update outdated qmp_transaction() comments, (continued)