From: Fam Zheng <f...@redhat.com> This will be reused by the coming new transactional completion code.
Signed-off-by: Fam Zheng <f...@redhat.com> Reviewed-by: John Snow <js...@redhat.com> Reviewed-by: Max Reitz <mre...@redhat.com> Signed-off-by: John Snow <js...@redhat.com> Message-id: 1446765200-3054-5-git-send-email-js...@redhat.com Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com> --- block/backup.c | 27 +++++++++++++++++---------- 1 file changed, 17 insertions(+), 10 deletions(-) diff --git a/block/backup.c b/block/backup.c index ec01db8..f7fcb99 100644 --- a/block/backup.c +++ b/block/backup.c @@ -221,6 +221,22 @@ static void backup_iostatus_reset(BlockJob *job) } } +static void backup_cleanup_sync_bitmap(BackupBlockJob *job, int ret) +{ + BdrvDirtyBitmap *bm; + BlockDriverState *bs = job->common.bs; + + 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); + } else { + /* Everything is fine, delete this bitmap and install the backup. */ + bm = bdrv_dirty_bitmap_abdicate(bs, job->sync_bitmap, NULL); + assert(bm); + } +} + static const BlockJobDriver backup_job_driver = { .instance_size = sizeof(BackupBlockJob), .job_type = BLOCK_JOB_TYPE_BACKUP, @@ -443,16 +459,7 @@ static void coroutine_fn backup_run(void *opaque) qemu_co_rwlock_unlock(&job->flush_rwlock); if (job->sync_bitmap) { - BdrvDirtyBitmap *bm; - 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); - } else { - /* Everything is fine, delete this bitmap and install the backup. */ - bm = bdrv_dirty_bitmap_abdicate(bs, job->sync_bitmap, NULL); - assert(bm); - } + backup_cleanup_sync_bitmap(job, ret); } hbitmap_free(job->bitmap); -- 2.5.0