# Re: \[PATCH bpf-next 3/3\] selftests/bpf: Add profiler test

- From: Jakub Kicinski \<kuba@kernel.org\>
- Date: 2020-10-07 01:22:09 
- List: netdev
- Page: https://ratatoskr.run/netdev/2020/10/7748557
- Thread: https://ratatoskr.run/netdev/2020/10/7748549/t.md

```text
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);
> +	}
> +}
```