| To: | Vishal Verma <vishal.l.verma@xxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH v5 1/5] dax: fallback from pmd to pte on error |
| From: | Jan Kara <jack@xxxxxxx> |
| Date: | Tue, 10 May 2016 16:15:44 +0200 |
| Cc: | linux-nvdimm@xxxxxxxxxxxx, Dan Williams <dan.j.williams@xxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Jens Axboe <axboe@xxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Jeff Moyer <jmoyer@xxxxxxxxxx>, Boaz Harrosh <boaz@xxxxxxxxxxxxx> |
| Delivered-to: | xfs@xxxxxxxxxxx |
| In-reply-to: | <1462571591-3361-2-git-send-email-vishal.l.verma@xxxxxxxxx> |
| References: | <1462571591-3361-1-git-send-email-vishal.l.verma@xxxxxxxxx> <1462571591-3361-2-git-send-email-vishal.l.verma@xxxxxxxxx> |
| User-agent: | Mutt/1.5.24 (2015-08-30) |
On Fri 06-05-16 15:53:07, Vishal Verma wrote:
> From: Dan Williams <dan.j.williams@xxxxxxxxx>
>
> 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@xxxxxxxxx>
The patch looks good. You can add:
Reviewed-by: Jan Kara <jack@xxxxxxx>
Honza
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
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