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Re: [Qemu-devel] [PATCH 04/10] block: keep bitmap if incremental backup
From: |
John Snow |
Subject: |
Re: [Qemu-devel] [PATCH 04/10] block: keep bitmap if incremental backup job is cancelled |
Date: |
Mon, 29 Jun 2015 18:36:29 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 |
On 06/25/2015 08:12 AM, Stefan Hajnoczi wrote:
> Reclaim the dirty bitmap if an incremental backup block job is
> cancelled. The ret variable may be 0 when the job is cancelled so it's
> not enough to check ret < 0.
>
> Signed-off-by: Stefan Hajnoczi <address@hidden>
> ---
> block/backup.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/block/backup.c b/block/backup.c
> index 4a1af68..ddf8424 100644
> --- a/block/backup.c
> +++ b/block/backup.c
> @@ -431,7 +431,7 @@ static void coroutine_fn backup_run(void *opaque)
>
> if (job->sync_bitmap) {
> BdrvDirtyBitmap *bm;
> - if (ret < 0) {
> + if (ret < 0 || block_job_is_cancelled(&job->common)) {
> /* Merge the successor back into the parent, delete nothing. */
> bm = bdrv_reclaim_dirty_bitmap(bs, job->sync_bitmap, NULL);
> assert(bm);
>
Duplicated here from the single patch sent out to Jeff Cody's tree, but
you're probably already aware...
- [Qemu-devel] [PATCH 00/10] block: incremental backup transactions using BlockJobTxn, Stefan Hajnoczi, 2015/06/25
- [Qemu-devel] [PATCH 02/10] iotests: add transactional incremental backup test, Stefan Hajnoczi, 2015/06/25
- [Qemu-devel] [PATCH 01/10] qapi: Add transaction support to block-dirty-bitmap operations, Stefan Hajnoczi, 2015/06/25
- [Qemu-devel] [PATCH 04/10] block: keep bitmap if incremental backup job is cancelled, Stefan Hajnoczi, 2015/06/25
- [Qemu-devel] [PATCH 03/10] block: rename BlkTransactionState and BdrvActionOps, Stefan Hajnoczi, 2015/06/25
- [Qemu-devel] [PATCH 06/10] blockdev: make BlockJobTxn available to qmp 'transaction', Stefan Hajnoczi, 2015/06/25
- [Qemu-devel] [PATCH 07/10] block/backup: support block job transactions, Stefan Hajnoczi, 2015/06/25
- [Qemu-devel] [PATCH 05/10] block: add block job transactions, Stefan Hajnoczi, 2015/06/25