block_stream will not actively flush l2_table_cache,when qemu
process exception exit,causing disk data loss
Signed-off-by: Evanzhang <evanzh...@archeros.com>
---
block/stream.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/block/stream.c b/block/stream.c
index e522bbd..a5e08da 100644
--- a/block/stream.c
+++ b/block/stream.c
@@ -207,6 +207,12 @@ static int coroutine_fn stream_run(Job *job, Error **errp)
}
}
+ /*
+ * Complete stream_populate,force flush l2_table_cache,to
+ * avoid unexpected termination of process, l2_table loss
+ */
+ qcow2_cache_flush(bs, ((BDRVQcow2State *)bs->opaque)->l2_table_cache);
+
/* Do not remove the backing file if an error was there but ignored. */
return error;
}
--
2.9.5
