Re: extending the maximum filename length

From: Conrad Meyer <>
Date: Fri, 8 Sep 2017 10:32:17 -0700
On Fri, Sep 8, 2017 at 10:21 AM, David Wolfskill <> 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.

Received on Fri Sep 08 2017 - 16:30:58 UTC

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