Re: hundreds of mount --bind mountpoints?

Christoph Hellwig
2001-04-23T20:57:10Z

In article <20010423224505.H719@nightmaster.csn.tu-chemnitz.de> you wrote:
> Last time we suggested this, people ended up with some OS trying
> it and getting worse performance.

Which OS? Neither BSD nor SVR4/SVR5 (or even SVR3) do that.

> Why? You need to allocate the VFS-inode (vnode in other OSs) and
> the on-disk-inode anyway at the same time. You get better
> performance and less fragmentation, if you allocate them both
> together[1].

Because having an union in generic code that includes filesystem-specific
memebers is ugly? It's one of those a little more performance for a lot of
bad style optimizations.

Christoph

--
Of course it doesn't work. We've performed a software upgrade.
Whip me. Beat me. Make me maintain AIX.