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Date:	Thu, 08 Mar 2012 11:36:30 -0500
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	"Ted Ts'o" <tytso@....edu>
Cc:	Sage Weil <sage@...dream.net>, Boaz Harrosh <bharrosh@...asas.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org
Subject: Re: [PATCH, RFC] Don't do page stablization if !CONFIG_BLKDEV_INTEGRITY

>>>>> "Ted" == Ted Ts'o <tytso@....edu> writes:

Ted> Martin, would you be willing to try to get your patch submitted for
Ted> the upcoming merge window?  Or I'd be willing to carry your patch
Ted> and then rework Darrick's to use the exported flag, and carry it in
Ted> my tree, maybe that would be better.

There's probably going to be some conflicts due to both topology updates
and the write same changes I have pending. So it's probably best that I
submit this patch as part of my kits for Jens and James. Should go out
today.


Ted> why should we be inflicting pretty severe performance regressions
Ted> for the common case, just to improve things for obscure high-end
Ted> hardware?

I'm perfectly ok with that now that we have established that there are
real world workloads that do suffer with the wait in place.

-- 
Martin K. Petersen	Oracle Linux Engineering
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