From: Wen Congyang <[email protected]>
Signed-off-by: Wen Congyang <[email protected]>
Signed-off-by: zhanghailiang <[email protected]>
Signed-off-by: Gonglei <[email protected]>
Signed-off-by: Changlong Xie <[email protected]>
---
block/backup.c | 15 +++++++++++++++
include/block/block_int.h | 2 ++
2 files changed, 17 insertions(+)
diff --git a/block/backup.c b/block/backup.c
index 00cafdb..841ec27 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -251,6 +251,21 @@ static void backup_abort(BlockJob *job)
}
}
+void backup_do_checkpoint(BlockJob *job, Error **errp)
+{
+ BackupBlockJob *backup_job = container_of(job, BackupBlockJob, common);
+
+ assert(job->driver->job_type == BLOCK_JOB_TYPE_BACKUP);
+
+ 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,
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 9204d1e..e67b6fb 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -700,6 +700,8 @@ void backup_start(BlockDriverState *bs, BlockDriverState
*target,
BlockCompletionFunc *cb, void *opaque,
BlockJobTxn *txn, Error **errp);
+void backup_do_checkpoint(BlockJob *job, Error **errp);
+
void blk_set_bs(BlockBackend *blk, BlockDriverState *bs);
void blk_dev_change_media_cb(BlockBackend *blk, bool load);
--
1.9.3
