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-rw-r--r--block/backup.c15
-rw-r--r--blockjob.c3
-rw-r--r--include/block/blockjob_int.h8
3 files changed, 21 insertions, 5 deletions
diff --git a/block/backup.c b/block/backup.c
index 7b5d8a3757..734a24c698 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -242,6 +242,14 @@ static void backup_abort(BlockJob *job)
}
}
+static void backup_clean(BlockJob *job)
+{
+ BackupBlockJob *s = container_of(job, BackupBlockJob, common);
+ assert(s->target);
+ blk_unref(s->target);
+ s->target = NULL;
+}
+
static void backup_attached_aio_context(BlockJob *job, AioContext *aio_context)
{
BackupBlockJob *s = container_of(job, BackupBlockJob, common);
@@ -321,6 +329,7 @@ static const BlockJobDriver backup_job_driver = {
.set_speed = backup_set_speed,
.commit = backup_commit,
.abort = backup_abort,
+ .clean = backup_clean,
.attached_aio_context = backup_attached_aio_context,
.drain = backup_drain,
};
@@ -343,12 +352,8 @@ typedef struct {
static void backup_complete(BlockJob *job, void *opaque)
{
- BackupBlockJob *s = container_of(job, BackupBlockJob, common);
BackupCompleteData *data = opaque;
- blk_unref(s->target);
- s->target = NULL;
-
block_job_completed(job, data->ret);
g_free(data);
}
@@ -658,7 +663,7 @@ void backup_start(const char *job_id, BlockDriverState *bs,
bdrv_reclaim_dirty_bitmap(bs, sync_bitmap, NULL);
}
if (job) {
- blk_unref(job->target);
+ backup_clean(&job->common);
block_job_unref(&job->common);
}
}
diff --git a/blockjob.c b/blockjob.c
index 4d0ef53fba..e3c458c021 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -241,6 +241,9 @@ static void block_job_completed_single(BlockJob *job)
job->driver->abort(job);
}
}
+ if (job->driver->clean) {
+ job->driver->clean(job);
+ }
if (job->cb) {
job->cb(job->opaque, job->ret);
diff --git a/include/block/blockjob_int.h b/include/block/blockjob_int.h
index 40275e4437..60d91a0678 100644
--- a/include/block/blockjob_int.h
+++ b/include/block/blockjob_int.h
@@ -74,6 +74,14 @@ struct BlockJobDriver {
void (*abort)(BlockJob *job);
/**
+ * If the callback is not NULL, it will be invoked after a call to either
+ * .commit() or .abort(). Regardless of which callback is invoked after
+ * completion, .clean() will always be called, even if the job does not
+ * belong to a transaction group.
+ */
+ void (*clean)(BlockJob *job);
+
+ /**
* If the callback is not NULL, it will be invoked when the job transitions
* into the paused state. Paused jobs must not perform any asynchronous
* I/O or event loop activity. This callback is used to quiesce jobs.