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-rw-r--r--block/backup.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/block/backup.c b/block/backup.c
index 909027c..d4713fa 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -498,12 +498,10 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
block_copy_set_speed(bcs, speed);
/* Required permissions are taken by copy-before-write filter target */
- bdrv_drain_all_begin();
- bdrv_graph_wrlock();
+ bdrv_graph_wrlock_drained();
block_job_add_bdrv(&job->common, "target", target, 0, BLK_PERM_ALL,
&error_abort);
bdrv_graph_wrunlock();
- bdrv_drain_all_end();
return &job->common;