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Message-ID: <CANejiEVmBOJ7ggD1O6tbXhvZAzZCa6VCi4D421Kqnszx_6QL-Q@mail.gmail.com> Date: Wed, 15 Feb 2012 09:09:37 +0800 From: Shaohua Li <shaohua.li@...el.com> To: Tejun Heo <tj@...nel.org> Cc: Jens Axboe <axboe@...nel.dk>, Vivek Goyal <vgoyal@...hat.com>, lkml <linux-kernel@...r.kernel.org>, Knut Petersen <Knut_Petersen@...nline.de>, mroos@...ux.ee, Linus Torvalds <torvalds@...ux-foundation.org> Subject: Re: [PATCH block/for-linus 1/3] block: replace icq->changed with icq->flags 2012/2/15 Tejun Heo <tj@...nel.org>: > icq->changed was used for ICQ_*_CHANGED bits. Rename it to flags and > access it under ioc->lock instead of using atomic bitops. > ioc_get_changed() is added so that the changed part can be fetched and > cleared as before. > > icq->flags will be used to carry other flags. > > Signed-off-by: Tejun Heo <tj@...nel.org> > --- > Jens, these three patches are to fix the swap heavy workload > regression reported by Shaohua. > > Shaohua, I ended up changing the second patch, which shouldn't change > anything but it would be great if you can verify this series once > more. yes, confirmed the patches fix the regression. Thanks for fixing it. Tested-by: Shaohua Li <shaohua.li@...el.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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