Cancel in-flight io on target to not waste the time. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> --- block/backup.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/block/backup.c b/block/backup.c index 9afa0bf3b4..9878594c83 100644 --- a/block/backup.c +++ b/block/backup.c @@ -36,6 +36,7 @@ typedef struct BackupBlockJob { BlockJob common; BlockDriverState *backup_top; BlockDriverState *source_bs; + BlockDriverState *target_bs; BdrvDirtyBitmap *sync_bitmap; @@ -279,6 +280,13 @@ static int coroutine_fn backup_run(Job *job, Error **errp) return ret; } +static void backup_cancel(Job *job) +{ + BackupBlockJob *s = container_of(job, BackupBlockJob, common.job); + + bdrv_cancel_in_flight(s->target_bs); +} + static const BlockJobDriver backup_job_driver = { .job_driver = { .instance_size = sizeof(BackupBlockJob), @@ -289,6 +297,7 @@ static const BlockJobDriver backup_job_driver = { .commit = backup_commit, .abort = backup_abort, .clean = backup_clean, + .cancel = backup_cancel, } }; @@ -456,6 +465,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs, job->backup_top = backup_top; job->source_bs = bs; + job->target_bs = target; job->on_source_error = on_source_error; job->on_target_error = on_target_error; job->sync_mode = sync_mode; -- 2.21.3