linux-kernel - Re: [PATCH] block: Document lack of ordering of submit_bio/generic_make

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Message-ID: <20120913181436.GF7677@google.com>
Date:	Thu, 13 Sep 2012 11:14:36 -0700
From:	Tejun Heo <tj@...nel.org>
To:	joseph.glanville@...onvm.com.au
Cc:	linux-kernel@...r.kernel.org, Jens Axboe <axboe@...nel.dk>,
	Philipp Reisner <philipp.reisner@...bit.com>,
	NeilBrown <neilb@...e.de>,
	Kent Overstreet <koverstreet@...gle.com>,
	Vivek Goyal <vgoyal@...hat.com>
Subject: Re: [PATCH] block: Document lack of ordering of
 submit_bio/generic_make_request

On Thu, Sep 13, 2012 at 01:40:30PM +1000, joseph.glanville@...onvm.com.au wrote:
> From: Joseph Glanville <joseph.glanville@...onvm.com.au>
> 
> It is worth noting here that the block layer makes no attempt
> to preserve the order of requests and that upper layers like
> journaling filesystems that require such ordering need to do so
> explicity.
> 
> Signed-off-by: Joseph Glanville <joseph.glanville@...onvm.com.au>

Acked-by: Tejun Heo <tj@...nel.org>

Thank you.

-- 
tejun
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