The strangeness called `sbin'

[Garrett Cooper]

On Thu, Nov 10, 2011 at 9:47 AM, Ed Schouten <ed at 80386.nl> wrote:
> * Peter Wemm <peter at wemm.org>, 20111110 18:33:
>> Having /sbin in $PATH where /sbin is a symlink to /bin would be worse
>> than having no /sbin at all, from a perspective of rootvnode lock
>> lifetime.  If you can figure out how to get people to remove /sbin and
>> /usr/sbin from their paths after the symlink changes then it becomes a
>> moot point.  But heck, I still have /usr/X11R6 in mine... :(
>
> On the other hand, if people used to have /sbin in their path and *do*
> remove it properly after the upgrade, they should in theory see a
> performance improvement, right?

    Doesn't the negative directory cache (namei, etc) mitigate this?
Thanks!
-Garrett