Re: VFS

ralf@uni-koblenz.de
Sun, 30 Nov 1997 08:15:53 +0100


On Sun, Nov 30, 1997 at 12:11:12AM -0500, Jon Lewis wrote:

> On Sun, 30 Nov 1997 ralf@uni-koblenz.de wrote:
>
> > An inode still has uid, gid and permission information, so the files aren't
> > completly unprotected.
> >
> > A far bigger problem in real live with this patch is that it doesn't really
> > help to speedup things like unlinking files, therefore it doesn't help to
> > speed up the expire. As I said, a good kludge but no real solution.
>
> The inum patch wasn't intended to affect expire times. It was intended to
> reduce the overhead of feeding news to other sites. The theory was if you
> told innxmit to open a list of files to feed to another server, feeding
> innxmit a list of inode numbers avoided the overhead of opening a file in
> a dir with potentially thousands of other files. I never tried these
> patches, so I can't say how well it actually works.

Rumors say the gain is about 30-40%.

Ralf