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Date:   Mon, 16 Jan 2017 17:29:16 +0800
From:   Xiong Zhou <xzhou@...hat.com>
To:     linux-nvdimm@...1.01.org, dave.jiang@...el.com
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-next@...r.kernel.org
Subject: Re: linux-next 0112 tree breaks fs DAX

On Fri, Jan 13, 2017 at 06:16:41PM +0800, Xiong Zhou wrote:
> Hi,
> 
> These cases "hang" when testing with -o dax mount option:
> xfstests generic/030 generic/34{0,4,5,6} generic/198
> (maybe more)
> 
> The test programme holetest or aiodio keep running for a
> long time. It's killable, but it seems never return.
> 
> With both ext4 and xfs as fs.
> 
> Without -o dax mount option, cases pass in seconds.
> 
> 0111 tree passed the tests.
> 
> sh-4.2# git log --oneline next-20170111..next-20170112 fs/dax.c
> 0c9a7909dd13 mm, dax: change pmd_fault() to take only vmf parameter
> f8dbc198d4ea mm, dax: make pmd_fault() and friends be the same as fault()

0112 tree with above 2 commits reverted pass the tests.

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