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

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Date:	Tue, 02 Oct 2007 10:17:05 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	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: per BDI dirty limit (was Re: -mm merge plans for 2.6.24)

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?

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