-#ifndef HAVE_CLEAR_RDONLY_ON_PUT
-#error rdonly patchset must be updated [cfs bz11248]
-#endif
-void dev_set_rdonly(lvfs_sbdev_type dev);
-int dev_check_rdonly(lvfs_sbdev_type dev);
-
-void __lvfs_set_rdonly(lvfs_sbdev_type dev, lvfs_sbdev_type jdev)