linux-ext4 - Re: [PATCH] msync: fix incorrect fstart calculation

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Message-ID: <20140628191425.GA2162@thunk.org>
Date:	Sat, 28 Jun 2014 15:14:25 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Namjae Jeon <namjae.jeon@...sung.com>
Cc:	'Andrew Morton' <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-ext4 <linux-ext4@...r.kernel.org>,
	Lukáš Czerner <lczerner@...hat.com>,
	'Matthew Wilcox' <matthew.r.wilcox@...el.com>,
	'Eric Whitney' <enwlinux@...il.com>,
	Ashish Sangwan <a.sangwan@...sung.com>
Subject: Re: [PATCH] msync: fix incorrect fstart calculation

On Fri, Jun 27, 2014 at 08:38:49PM +0900, Namjae Jeon wrote:
> Fix a regression caused by Commit 7fc34a62ca mm/msync.c: sync only
> the requested range in msync().
> xfstests generic/075 fail occured on ext4 data=journal mode because
> the intended range was not syncing due to wrong fstart calculation.
> 
> Cc: Matthew Wilcox <matthew.r.wilcox@...el.com>
> Cc: Lukáš Czerner <lczerner@...hat.com>
> Reported-by: Eric Whitney <enwlinux@...il.com>
> Signed-off-by: Namjae Jeon <namjae.jeon@...sung.com>
> Signed-off-by: Ashish Sangwan <a.sangwan@...sung.com>

Reviewed-by: Theodore Ts'o <tytso@....edu>

Andrew, do you want to take this in the mm tree, or shall I take it in
the ext4 tree?  I would prefer if we could get this pushed to Linus as
soon as possible, since it fixes a regression.

					- Ted
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