From: Christoph Hellwig <hch@infradead.org>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, Dave Chinner <david@fromorbit.com>,
Chris Mason <chris.mason@oracle.com>,
Nick Piggin <npiggin@suse.de>, Rik van Riel <riel@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Christoph Hellwig <hch@infradead.org>,
Wu Fengguang <fengguang.wu@intel.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Andrea Arcangeli <aarcange@redhat.com>
Subject: Re: [PATCH 0/9] Reduce writeback from page reclaim context V5
Date: Thu, 29 Jul 2010 04:45:23 -0400 [thread overview]
Message-ID: <20100729084523.GA537@infradead.org> (raw)
In-Reply-To: <1280312843-11789-1-git-send-email-mel@csn.ul.ie>
Btw, I'm very happy with all this writeback related progress we've made
for the 2.6.36 cycle. The only major thing that's really missing, and
which should help dramatically with the I/O patters is stopping direct
writeback from balance_dirty_pages(). I've seen patches frrom Wu and
and Jan for this and lots of discussion. If we get either variant in
this should be once of the best VM release from the filesystem point of
view.
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next prev parent reply other threads:[~2010-07-29 8:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-28 10:27 [PATCH 0/9] Reduce writeback from page reclaim context V5 Mel Gorman
2010-07-28 10:27 ` [PATCH 1/9] vmscan: tracing: Roll up of patches currently in mmotm Mel Gorman
2010-07-28 10:27 ` [PATCH 2/9] vmscan: tracing: Update trace event to track if page reclaim IO is for anon or file pages Mel Gorman
2010-07-28 10:27 ` [PATCH 3/9] vmscan: tracing: Update post-processing script to distinguish between anon and file IO from page reclaim Mel Gorman
2010-07-28 11:05 ` Christoph Hellwig
2010-07-28 11:19 ` Mel Gorman
2010-07-28 10:27 ` [PATCH 4/9] vmscan: tracing: Correct units in post-processing script Mel Gorman
2010-07-28 10:27 ` [PATCH 5/9] vmscan: Do not writeback filesystem pages in direct reclaim Mel Gorman
2010-07-28 10:27 ` [PATCH 6/9] writeback: Roll up of writeback changes in next-20100722 versus 2.6.35-rc5 Mel Gorman
2010-07-28 10:27 ` [PATCH 7/9] writeback: Roll up of writeback: try to write older pages first Mel Gorman
2010-07-28 10:27 ` [PATCH 8/9] vmscan: Kick flusher threads to clean pages when reclaim is encountering dirty pages Mel Gorman
2010-07-28 10:27 ` [PATCH 9/9] writeback: Prioritise dirty inodes encountered by reclaim for background flushing Mel Gorman
2010-07-28 11:08 ` Christoph Hellwig
2010-07-28 11:30 ` Mel Gorman
2010-07-29 8:45 ` Christoph Hellwig [this message]
2010-08-03 7:34 ` [PATCH 0/9] Reduce writeback from page reclaim context V5 Wu Fengguang
2010-08-03 12:52 ` Jan Kara
2010-08-03 15:04 ` Wu Fengguang
2010-08-03 15:07 ` Wu Fengguang
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