On Wed, Sep 12, 2018 at 06:06:23AM +0800, Liu Bo wrote: > btrfs_search_slot() > if (level != 0) > setup_nodes_for_search() > balance_level() > > It is just impossible to have level=0 in balance_level.
While this is true, what do you think about adding ASSERT(level > 0) ? This is to catch accidentally passing level 0.
