pub unsafe extern "C" fn dm_tree_node_set_thin_pool_discard(
node: *mut dm_tree_node,
ignore: c_uint,
no_passdown: c_uint
) -> c_int
pub unsafe extern "C" fn dm_tree_node_set_thin_pool_discard(
node: *mut dm_tree_node,
ignore: c_uint,
no_passdown: c_uint
) -> c_int