Re: [PATCH 5/9] dax: move the dax_read_lock() locking into dax_supported

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [PATCH 5/9] dax: move the dax_read_lock() locking into dax_supported
From: Dan Williams <dan.j.williams@xxxxxxxxx>
Date: Mon, 23 Aug 2021 13:57:48 -0700
Cc: Vishal Verma <vishal.l.verma@xxxxxxxxx>, Dave Jiang <dave.jiang@xxxxxxxxx>, Mike Snitzer <snitzer@xxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, linux-xfs <linux-xfs@xxxxxxxxxxxxxxx>, Linux NVDIMM <nvdimm@xxxxxxxxxxxxxxx>, linux-fsdevel <linux-fsdevel@xxxxxxxxxxxxxxx>, linux-ext4 <linux-ext4@xxxxxxxxxxxxxxx>
In-reply-to: <20210823123516.969486-6-hch@lst.de>
References: <20210823123516.969486-1-hch@lst.de> <20210823123516.969486-6-hch@lst.de>

On Mon, Aug 23, 2021 at 5:40 AM Christoph Hellwig <hch@xxxxxx> wrote:
>
> Move the dax_read_lock/dax_read_unlock pair from the callers into
> dax_supported to make it a little easier to use.

Looks good:

Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>

References:
- dax_supported() related cleanups
  - From: Christoph Hellwig
- [PATCH 5/9] dax: move the dax_read_lock() locking into dax_supported
  - From: Christoph Hellwig

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