linux-kernel - Re: [PATCH v3 6/7] dax: update I/O path to do proper PMEM flushing

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Message-ID: <20150817191103.GD6752@lst.de>
Date:	Mon, 17 Aug 2015 21:11:03 +0200
From:	Christoph Hellwig <hch@....de>
To:	Ross Zwisler <ross.zwisler@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org, linux-nvdimm@...ts.01.org,
	Dan Williams <dan.j.williams@...el.com>,
	Christoph Hellwig <hch@....de>,
	Matthew Wilcox <matthew.r.wilcox@...el.com>,
	Dave Chinner <david@...morbit.com>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Matthew Wilcox <willy@...ux.intel.com>,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v3 6/7] dax: update I/O path to do proper PMEM flushing

On Mon, Aug 17, 2015 at 12:30:10PM -0600, Ross Zwisler wrote:
> Update the DAX I/O path so that all operations that store data (I/O
> writes, zeroing blocks, punching holes, etc.) properly synchronize the
> stores to media using the PMEM API.  This ensures that the data DAX is
> writing is durable on media before the operation completes.
> 
> Signed-off-by: Ross Zwisler <ross.zwisler@...ux.intel.com>

Looks fine (at least as long as the next patch also goes in to cut
down on the crazy amount of __pmem casts..)

Reviewed-by: Christoph Hellwig <hch@....de>
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