Knob to turn off _POSIX_NO_TRUNC

[Gary Jennejohn]

On Tue, 5 Apr 2011 13:06:46 -0400
Ryan Stone <rysto32 at gmail.com> wrote:

> On Tue, Apr 5, 2011 at 12:31 PM, Gary Jennejohn
> <gljennjohn at googlemail.com> wrote:
> > OK, but trimming to me as a native english speaker means returning ENAMETOOLONG
> > rather than allowing names longer than NAME_MAX.  That is, after all, what trimming
> > means - cutting off.
> 
> The two behaviours here are:
> 
> lookup_trim == 1 -- filenames are silently truncated(i.e. trimmed) if
> longer than NAME_MAX
> lookup_trim == 0 -- filenames longer than NAME_MAX are rejected with
> ENAMETOOLONG
> 
> The name makes perfect sense to me, personally.

After sending off this e-mail the penny dropped and I finally realized
just exactly what the patch is doing.  Obviously, the way the sysctl is
being used is correct.  So, sorry for the noise.

-- 
Gary Jennejohn