[Linux-cluster] Re: GFS

[Christoph Hellwig <hch infradead org>]

On Thu, Aug 11, 2005 at 09:33:41AM -0700, Zach Brown wrote:
> ordering when multiple file systems are concerned.  It doesn't record
> the ranges of the mappings involved so Lustre can't properly use its
> range locks.

That doesn't matter.  Please don't put in any effort for lustre special
cases - they are unwilling to cooperate and they'll get what they deserve.

> And finally, it doesn't prohibit mapping operations for
> the duration of the IO -- the whole reason we ended up in this thread in
> the first place :)
> 
> Christoph, would you be interested in looking at a more thorough patch
> if I threw one together?

Sure, I'm not sure that'll happen in a timely fashion, though.