bdrv_graph_rdunlock_main_loop();
goto out;
}
- bdrv_graph_rdunlock_main_loop();
flags = bs->open_flags | BDRV_O_RDWR;
flags |= BDRV_O_NO_BACKING;
set_backing_hd = true;
}
+ bdrv_graph_rdunlock_main_loop();
size = bdrv_getlength(bs);
if (size < 0) {
bdrv_graph_rdunlock_main_loop();
return;
}
- bdrv_graph_rdunlock_main_loop();
aio_context = bdrv_get_aio_context(bs);
aio_context_acquire(aio_context);
if (arg->sync == MIRROR_SYNC_MODE_NONE) {
target_backing_bs = bs;
}
+ bdrv_graph_rdunlock_main_loop();
size = bdrv_getlength(bs);
if (size < 0) {
goto out;
}
+ bdrv_graph_rdlock_main_loop();
if (bdrv_find_base(image_bs) == image_bs) {
error_setg(errp, "not allowing backing file change on an image "
"without a backing file");
+ bdrv_graph_rdunlock_main_loop();
goto out;
}
/* even though we are not necessarily operating on bs, we need it to
* determine if block ops are currently prohibited on the chain */
- bdrv_graph_rdlock_main_loop();
if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_CHANGE, errp)) {
bdrv_graph_rdunlock_main_loop();
goto out;