Re: extending the maximum filename length

On Fri, Sep 8, 2017 at 10:21 AM, David Wolfskill <david_at_catwhisker.org> wrote:
> On Sat, Sep 09, 2017 at 01:15:31AM +0800, Julian Elischer wrote:
>> Has anyone using freeBSD ever increased NAME_MAX (filename maximum
>> length) and have any experience with it?
>>
>> We ($JOB) would recompile the entire system so intra-system
>> compatibility would probably be ok, and we have our own filesystem
>> which would support it.
>>
>> But I wonder if anyone has tried it and hit unexpected problems.
>> ....
>
> Not *strictly* a "filename length" issue, but one thing I (think
> I) recall encountering a while back was an (88-character?) upper
> limit on the length of the full pathname of a mount point.
>
> So that could prove ... annoying (if I actually recall correctly,
> and the situation has not changed since).

Hi David,

I think mountpoint name length is largely an orthogonal issue.
Fortunately, the 88 character limit (MNAMELEN) was already addressed
recently (bumped to 1024) with the ino64 project.

Best,
Conrad