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Date:	Thu, 8 Mar 2012 16:41:48 -0500
From:	Ted Ts'o <>
To:	Chris Mason <>,
	Boaz Harrosh <>,
	Zach Brown <>, Eric Sandeen <>,,
Subject: Re: [PATCH, RFC] Don't do page stablization if

On Thu, Mar 08, 2012 at 04:38:08PM -0500, Chris Mason wrote:
> Btrfs currently does this, and the DIF code is by definition right
> before the write.  The pages really only get set writeback when they are
> being sent in flight, so the waiting being done by the stable pages
> patch is file_write or page_mkwrite being polite and waiting for the IO
> to finish before changing the page.

Right before submission to the bio layer?  Or right before the device
driver sends the request to the host bus adapter?  I was thinking of
the latter....

					- Ted
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