From: Peter Zijlstra <peterz@infradead.org>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Dave Chinner <david@fromorbit.com>,
Christoph Hellwig <hch@infradead.org>,
Mel Gorman <mel@csn.ul.ie>, Chris Mason <chris.mason@oracle.com>,
Jens Axboe <axboe@kernel.dk>, Jan Kara <jack@suse.cz>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH 02/13] writeback: avoid unnecessary calculation of bdi dirty thresholds
Date: Fri, 06 Aug 2010 12:14:10 +0200 [thread overview]
Message-ID: <1281089650.1947.404.camel@laptop> (raw)
In-Reply-To: <20100805162432.963007535@intel.com>
On Fri, 2010-08-06 at 00:10 +0800, Wu Fengguang wrote:
> plain text document attachment (writeback-less-bdi-calc.patch)
> Split get_dirty_limits() into global_dirty_limits()+bdi_dirty_limit(),
> so that the latter can be avoided when under global dirty background
> threshold (which is the normal state for most systems).
>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
> Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
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next prev parent reply other threads:[~2010-08-06 10:14 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-05 16:10 [PATCH 00/13] writeback patches for 2.6.36 Wu Fengguang
2010-08-05 16:10 ` [PATCH 01/13] writeback: reduce calls to global_page_state in balance_dirty_pages() Wu Fengguang
2010-08-05 16:10 ` [PATCH 02/13] writeback: avoid unnecessary calculation of bdi dirty thresholds Wu Fengguang
2010-08-06 10:14 ` Peter Zijlstra [this message]
2010-08-05 16:10 ` [PATCH 03/13] writeback: add comment to the dirty limits functions Wu Fengguang
2010-08-06 10:17 ` Peter Zijlstra
2010-08-07 16:47 ` Wu Fengguang
2010-08-05 16:10 ` [PATCH 04/13] writeback: dont redirty tail an inode with dirty pages Wu Fengguang
2010-08-05 16:10 ` [PATCH 05/13] writeback: fix queue_io() ordering Wu Fengguang
2010-08-05 16:10 ` [PATCH 06/13] writeback: merge for_kupdate and !for_kupdate cases Wu Fengguang
2010-08-05 16:10 ` [PATCH 07/13] writeback: explicit low bound for vm.dirty_ratio Wu Fengguang
2010-08-05 23:34 ` Andrew Morton
2010-08-06 12:44 ` Wu Fengguang
2010-08-10 3:12 ` KOSAKI Motohiro
2010-08-10 3:57 ` Neil Brown
2010-08-10 13:29 ` Jan Kara
2010-08-10 18:12 ` Wu Fengguang
2010-08-10 18:06 ` Wu Fengguang
2010-08-05 16:10 ` [PATCH 08/13] writeback: pass writeback_control down to move_expired_inodes() Wu Fengguang
2010-08-05 16:11 ` [PATCH 09/13] writeback: the kupdate expire timestamp should be a moving target Wu Fengguang
2010-08-05 16:11 ` [PATCH 10/13] writeback: kill writeback_control.more_io Wu Fengguang
2010-08-05 16:11 ` [PATCH 11/13] writeback: sync expired inodes first in background writeback Wu Fengguang
2010-08-05 16:11 ` [PATCH 12/13] writeback: try more writeback as long as something was written Wu Fengguang
2010-08-05 17:00 ` Jan Kara
2010-08-05 22:39 ` Wu Fengguang
2010-08-05 22:50 ` Jan Kara
2010-08-05 16:11 ` [PATCH 13/13] writeback: introduce writeback_control.inodes_written Wu Fengguang
2010-08-05 23:08 ` [PATCH 00/13] writeback patches for 2.6.36 Andrew Morton
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