[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v3 04/15] block: keep bitmap if incremental back
From: |
John Snow |
Subject: |
Re: [Qemu-devel] [PATCH v3 04/15] block: keep bitmap if incremental backup job is cancelled |
Date: |
Mon, 13 Jul 2015 15:48:19 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 |
On 07/09/2015 11:46 PM, Fam Zheng wrote:
> From: Stefan Hajnoczi <address@hidden>
>
> 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>
> Reviewed-by: Fam Zheng <address@hidden>
> Signed-off-by: Fam Zheng <address@hidden>
> ---
> block/backup.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/block/backup.c b/block/backup.c
> index d3c7d9f..965654d 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);
>
Jeff Cody should've merged this one by now, but I guess he hasn't sent a
pull request for it yet.
This should be in 2.4, I think.
--js
- [Qemu-devel] [PATCH v3 00/15] block: incremental backup transactions using BlockJobTxn, Fam Zheng, 2015/07/09
- [Qemu-devel] [PATCH v3 01/15] qapi: Add transaction support to block-dirty-bitmap operations, Fam Zheng, 2015/07/09
- [Qemu-devel] [PATCH v3 02/15] iotests: add transactional incremental backup test, Fam Zheng, 2015/07/09
- [Qemu-devel] [PATCH v3 03/15] block: rename BlkTransactionState and BdrvActionOps, Fam Zheng, 2015/07/09
- [Qemu-devel] [PATCH v3 04/15] block: keep bitmap if incremental backup job is cancelled, Fam Zheng, 2015/07/09
- Re: [Qemu-devel] [PATCH v3 04/15] block: keep bitmap if incremental backup job is cancelled,
John Snow <=
- [Qemu-devel] [PATCH v3 05/15] backup: Extract dirty bitmap handling as a separate function, Fam Zheng, 2015/07/09
- [Qemu-devel] [PATCH v3 06/15] blockjob: Add .txn_commit and .txn_abort transaction actions, Fam Zheng, 2015/07/09
- [Qemu-devel] [PATCH v3 07/15] blockjob: Add "completed" and "ret" in BlockJob, Fam Zheng, 2015/07/09