linux-kernel - Re: [PATCH 1/2] blktrace: treat flush as barrier

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Message-ID: <20110527131237.GA27647@infradead.org>
Date:	Fri, 27 May 2011 09:12:37 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Namhyung Kim <namhyung@...il.com>
Cc:	Jens Axboe <jaxboe@...ionio.com>, linux-kernel@...r.kernel.org,
	Tejun Heo <tj@...nel.org>
Subject: Re: [PATCH 1/2] blktrace: treat flush as barrier

On Fri, May 27, 2011 at 10:11:22PM +0900, Namhyung Kim wrote:
> Since BARRIER requests have been converted to FLUSH/FUA, it would be
> better for blktrace to recognize FLUSH requests as BARRIER for the
> backward-compatibility IMHO.

I'd rather see new flags for them.  F and U maybe?

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