@@ -253,11 +253,25 @@ static void backup_abort(BlockJob *job)
}
}
+static void backup_do_checkpoint(BlockJob *job, Error **errp)
+{
+ BackupBlockJob *backup_job = container_of(job, BackupBlockJob, common);
+
+ if (backup_job->sync_mode != MIRROR_SYNC_MODE_NONE) {
+ error_setg(errp, "The backup job only supports block checkpoint in"
+ " sync=none mode");
+ return;
+ }
+
+ hbitmap_reset_all(backup_job->bitmap);
+}
+
static const BlockJobDriver backup_job_driver = {
.instance_size = sizeof(BackupBlockJob),
.job_type = BLOCK_JOB_TYPE_BACKUP,
.set_speed = backup_set_speed,
.iostatus_reset = backup_iostatus_reset,
+ .do_checkpoint = backup_do_checkpoint,
.commit = backup_commit,
.abort = backup_abort,
};
@@ -533,3 +533,14 @@ void block_job_txn_add_job(BlockJobTxn *txn, BlockJob *job)
QLIST_INSERT_HEAD(&txn->jobs, job, txn_list);
block_job_txn_ref(txn);
}
+
+void block_job_do_checkpoint(BlockJob *job, Error **errp)
+{
+ if (!job->driver->do_checkpoint) {
+ error_setg(errp, "The job %s doesn't support block checkpoint",
+ BlockJobType_lookup[job->driver->job_type]);
+ return;
+ }
+
+ job->driver->do_checkpoint(job, errp);
+}
@@ -70,6 +70,9 @@ typedef struct BlockJobDriver {
* never both.
*/
void (*abort)(BlockJob *job);
+
+ /** Optional callback for job types that support checkpoint. */
+ void (*do_checkpoint)(BlockJob *job, Error **errp);
} BlockJobDriver;
/**
@@ -443,4 +446,13 @@ void block_job_txn_unref(BlockJobTxn *txn);
*/
void block_job_txn_add_job(BlockJobTxn *txn, BlockJob *job);
+/**
+ * block_job_do_checkpoint:
+ * @job: The job.
+ * @errp: Error object.
+ *
+ * Do block checkpoint on the specified job.
+ */
+void block_job_do_checkpoint(BlockJob *job, Error **errp);
+
#endif