Re: hundreds of mount --bind mountpoints?

Christoph Hellwig (hch@ns.caldera.de)
Mon, 23 Apr 2001 22:56:16 +0200


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.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/