Re: DEVFSv50 and /dev/fb? (or /dev/fb/? ???)

Shawn Leas (sleas@ixion.honeywell.com)
Wed, 5 Aug 1998 16:43:37 -0500 (CDT)


On Wed, 5 Aug 1998, Chris Wedgwood wrote:

> > You mean like...
> >
> > c0b0t0u0p1 and rc0b0t0u0p1? This would be better WITH DevFS, than
> > without...
>
> Its got nothing to do with devFS. Its means I want to RW to a device
> without the buffer cache getting in the way.
>
> For many applications, this is a bad thing - but for large database
> which maintain their own caches, etc. it can be a big win.

It has a lot to do with having twice the number of dev files around adding
to the directory entry lookup tim, though.

This is all I meant by it being better *with* DevFS than without. Any
time you increase the number of possible device nodes, you have increased
administrative overhead in /dev without it, too.

-Shawn
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