Re: [PATCH v4 15/18] mm, fs, dax: use page->mapping to warn if dma collides with truncate

To: Dan Williams <dan.j.williams@xxxxxxxxx>
Subject: Re: [PATCH v4 15/18] mm, fs, dax: use page->mapping to warn if dma collides with truncate
From: Christoph Hellwig <hch@xxxxxx>
Date: Thu, 4 Jan 2018 09:30:11 +0100
Cc: akpm@xxxxxxxxxxxxxxxxxxxx, jack@xxxxxxx, Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>, linux-nvdimm@xxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, Jeff Moyer <jmoyer@xxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, ross.zwisler@xxxxxxxxxxxxxxx, hch@xxxxxx
In-reply-to: <151407704063.38751.15403501871756055025.stgit@dwillia2-desk3.amr.corp.intel.com>
User-agent: Mutt/1.5.17 (2007-11-01)

Looks fine,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH v4 00/18] dax: fix dma vs truncate/hole-punch
  - From: Dan Williams
- [PATCH v4 15/18] mm, fs, dax: use page->mapping to warn if dma collides with truncate
  - From: Dan Williams