block: keep bitmap if incremental backup job is cancelled

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.

Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1434380534-7680-1-git-send-email-stefanha@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2015-06-15 16:02:14 +01:00 committed by Jeff Cody
parent 299bf09737
commit 17d9716d7b

View File

@ -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);