Re: [2.6.39-rc1] LTP hitting max (8) nested links...

[Daniel J Blueman <daniel.blueman@gmail.com>]

On 4 April 2011 11:13, Daniel J Blueman <daniel.blueman@gmail.com> wrote:
> When a test from the Linux Test Project [1] with 2.6.39-rc1 while
> trying to reproduce another fileystem issue, I quickly hit the 8
> nested link limit [2]:
> BUG_ON(nd->depth >= MAX_NESTED_LINKS)
>
> It seems a mutually exclusive condition to have such a technical limit
> in-kernel and a test in LTP which triggers that, unless there is a bug
> of course.
>
> Though 8 seems reasonable in most cases, it looks like an artificial
> and not technical limit which feels more broken - perhaps a WARN_ON or
> higher limit before BUG() is called makes sense?

Re-reading everything, nested here is actually recursively nested, not
consecutively nested, so will never succeed, so we expect this from
the LTP test.
-- 
Daniel J Blueman