linux-ext4 - Re: [PATCH v5 1/5] dax: fallback from pmd to pte on error

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Message-ID: <20160510141544.GL11897@quack2.suse.cz>
Date:	Tue, 10 May 2016 16:15:44 +0200
From:	Jan Kara <jack@...e.cz>
To:	Vishal Verma <vishal.l.verma@...el.com>
Cc:	linux-nvdimm@...ts.01.org, Dan Williams <dan.j.williams@...el.com>,
	linux-fsdevel@...r.kernel.org, linux-block@...r.kernel.org,
	xfs@....sgi.com, linux-ext4@...r.kernel.org, linux-mm@...ck.org,
	Ross Zwisler <ross.zwisler@...ux.intel.com>,
	Dave Chinner <david@...morbit.com>, Jan Kara <jack@...e.cz>,
	Jens Axboe <axboe@...com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@...radead.org>,
	Jeff Moyer <jmoyer@...hat.com>,
	Boaz Harrosh <boaz@...xistor.com>
Subject: Re: [PATCH v5 1/5] dax: fallback from pmd to pte on error

On Fri 06-05-16 15:53:07, Vishal Verma wrote:
> From: Dan Williams <dan.j.williams@...el.com>
> 
> In preparation for consulting a badblocks list in pmem_direct_access(),
> teach dax_pmd_fault() to fallback rather than fail immediately upon
> encountering an error.  The thought being that reducing the span of the
> dax request may avoid the error region.
> 
> Signed-off-by: Dan Williams <dan.j.williams@...el.com>

The patch looks good. You can add:

Reviewed-by: Jan Kara <jack@...e.cz>

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR
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