From: Jens Axboe <jens.axboe@oracle.com>
To: npiggin@suse.de
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [patch 2/5] fs: improve scalability of bdi writeback work queues
Date: Tue, 15 Sep 2009 21:31:19 +0200 [thread overview]
Message-ID: <20090915193119.GS23126@kernel.dk> (raw)
In-Reply-To: <20090915192242.714632996@suse.de>
On Wed, Sep 16 2009, npiggin@suse.de wrote:
> If you're going to do an atomic RMW on each list entry, there's not much
> point in all the RCU complexities of the list walking. This is only going
> to help the multi-thread case I guess, but it doesn't hurt to do now.
Thanks Nick, good optimization.
--
Jens Axboe
next prev parent reply other threads:[~2009-09-15 19:31 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-15 19:19 [patch 0/5] bdi writeback fixes npiggin
2009-09-15 19:19 ` [patch 1/5] fs: make use of rcu helpers npiggin
2009-09-15 19:31 ` Jens Axboe
2009-09-15 19:19 ` [patch 2/5] fs: improve scalability of bdi writeback work queues npiggin
2009-09-15 19:31 ` Jens Axboe [this message]
2009-09-15 19:19 ` [patch 3/5] fs: fix bdi writeback use after free 1 npiggin
2009-09-15 19:32 ` Jens Axboe
2009-09-15 19:19 ` [patch 4/5] fs: fix possible bdi writeback refcounting problem npiggin
2009-09-15 19:30 ` Jens Axboe
2009-09-15 19:19 ` [patch 5/5] fs: fix bdi writeback use after free 2 npiggin
2009-09-15 19:29 ` Jens Axboe
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