[PULL 06/57] block: mark bdrv_set_backing_hd() as GRAPH_UNLOCKED

Maintainers: Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, John Snow <jsnow@redhat.com>, Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>, Ari Sundholm <ari@tuxera.com>, Stefan Hajnoczi <stefanha@redhat.com>, Fam Zheng <fam@euphon.net>, Alberto Garcia <berto@igalia.com>, Wen Congyang <wencongyang2@huawei.com>, Xie Changlong <xiechanglong.d@gmail.com>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>
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[PULL 06/57] block: mark bdrv_set_backing_hd() as GRAPH_UNLOCKED
Posted by Kevin Wolf 4 months ago
From: Fiona Ebner <f.ebner@proxmox.com>

The function bdrv_set_backing_hd() calls bdrv_drain_all_begin(), which
must be called with the graph unlocked.

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20250530151125.955508-29-f.ebner@proxmox.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 include/block/block-global-state.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/block/block-global-state.h b/include/block/block-global-state.h
index 84a2a4ecd5..009b9ac946 100644
--- a/include/block/block-global-state.h
+++ b/include/block/block-global-state.h
@@ -100,8 +100,9 @@ bdrv_open_blockdev_ref(BlockdevRef *ref, Error **errp);
 BlockDriverState * coroutine_fn no_co_wrapper
 bdrv_co_open_blockdev_ref(BlockdevRef *ref, Error **errp);
 
-int bdrv_set_backing_hd(BlockDriverState *bs, BlockDriverState *backing_hd,
-                        Error **errp);
+int GRAPH_UNLOCKED
+bdrv_set_backing_hd(BlockDriverState *bs, BlockDriverState *backing_hd,
+                    Error **errp);
 int GRAPH_WRLOCK
 bdrv_set_backing_hd_drained(BlockDriverState *bs, BlockDriverState *backing_hd,
                             Error **errp);
-- 
2.50.1