diff options
Diffstat (limited to 'block.c')
| -rw-r--r-- | block.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/block.c b/block.c index 1da10d55f0..9ef3b0262c 100644 --- a/block.c +++ b/block.c @@ -3632,7 +3632,8 @@ int bdrv_open_backing_file(BlockDriverState *bs, QDict *parent_options, Error *local_err = NULL; GLOBAL_STATE_CODE(); - GRAPH_RDLOCK_GUARD_MAINLOOP(); + + bdrv_graph_rdlock_main_loop(); if (bs->backing != NULL) { goto free_exit; @@ -3713,7 +3714,9 @@ int bdrv_open_backing_file(BlockDriverState *bs, QDict *parent_options, /* Hook up the backing file link; drop our reference, bs owns the * backing_hd reference now */ + bdrv_graph_rdunlock_main_loop(); ret = bdrv_set_backing_hd(bs, backing_hd, errp); + bdrv_graph_rdlock_main_loop(); bdrv_unref(backing_hd); if (ret < 0) { @@ -3725,6 +3728,7 @@ int bdrv_open_backing_file(BlockDriverState *bs, QDict *parent_options, free_exit: g_free(backing_filename); qobject_unref(tmp_parent_options); + bdrv_graph_rdunlock_main_loop(); return ret; } |