On Tue, 6 Oct 2020 13:09:55 -0700 Alexei Starovoitov wrote: > +static ino_t get_inode_from_kernfs(struct kernfs_node* node) nit: my bot suggests this may be missing an "INLINE" since it's a static function in a header > +{ > + struct kernfs_node___52* node52 = (void*)node; > + > + if (bpf_core_field_exists(node52->id.ino)) { > + barrier_var(node52); > + return BPF_CORE_READ(node52, id.ino); > + } else { > + barrier_var(node); > + return (u64)BPF_CORE_READ(node, id); > + } > +}