Re: CONFIG_PREEMPT and server workloads

[Chris Mason]

On Thu, 2004-03-18 at 14:29, Andrew Morton wrote:

> > yep, i see a similar problem also in reiserfs's do_journal_end().
> > it's in lock_kernel().
> 
> I have a scheduling point in journal_end() in 2.4.  But I added bugs to
> reiserfs a couple of times doing this - it's pretty delicate.  Beat up on
> Chris ;)

;-) Not sure if Takashi is talking about -suse or -mm, the data=ordered
patches change things around.  He sent me suggestions for the
data=ordered latencies already, but it shouldn't be against the BKL
there, since I drop it before calling write_ordered_buffers().

-chris


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