linux-kernel - Re: per BDI dirty limit (was Re: -mm merge plans for 2.6.24)

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Message-ID: <336165.86658.qm@web32612.mail.mud.yahoo.com>
Date:	Wed, 3 Oct 2007 04:00:40 -0700 (PDT)
From:	Martin Knoblauch <knobi@...bisoft.de>
To:	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Jens Axboe <jens.axboe@...cle.com>,
	Fengguang Wu <fengguang.wu@...il.com>
Subject: Re: per BDI dirty limit (was Re: -mm merge plans for 2.6.24)


--- Peter Zijlstra <peterz@...radead.org> wrote:

> On Mon, 2007-10-01 at 14:22 -0700, Andrew Morton wrote:
> 
> > nfs-remove-congestion_end.patch
> > lib-percpu_counter_add.patch
> > lib-percpu_counter_sub.patch
> > lib-percpu_counter-variable-batch.patch
> > lib-make-percpu_counter_add-take-s64.patch
> > lib-percpu_counter_set.patch
> > lib-percpu_counter_sum_positive.patch
> > lib-percpu_count_sum.patch
> > lib-percpu_counter_init-error-handling.patch
> > lib-percpu_counter_init_irq.patch
> > mm-bdi-init-hooks.patch
> > mm-scalable-bdi-statistics-counters.patch
> > mm-count-reclaimable-pages-per-bdi.patch
> > mm-count-writeback-pages-per-bdi.patch
> 
> This one:
> > mm-expose-bdi-statistics-in-sysfs.patch
> 
> > lib-floating-proportions.patch
> > mm-per-device-dirty-threshold.patch
> > mm-per-device-dirty-threshold-warning-fix.patch
> > mm-per-device-dirty-threshold-fix.patch
> > mm-dirty-balancing-for-tasks.patch
> > mm-dirty-balancing-for-tasks-warning-fix.patch
> 
> And, this one:
> > debug-sysfs-files-for-the-current-ratio-size-total.patch
> 
> 
> I'm not sure polluting /sys/block/<foo>/queue/ like that is The Right
> Thing. These patches sure were handy when debugging this, but not
> sure
> they want to move to maineline.
> 
> Maybe we want /sys/bdi/<foo>/ or maybe /debug/bdi/<foo>/
> 
> Opinions?
> 
Hi Peter,

 my only opinion is that it is great to see that stuff moving into
mainline. If it really goes in, there will be one more very interested
rc-tester :-)

Cheers
Martin

------------------------------------------------------
Martin Knoblauch
email: k n o b i AT knobisoft DOT de
www:   http://www.knobisoft.de
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