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References: <20210922183331.2455043-1-hch@lst.de>
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From: Dan Williams <dan.j.williams@intel.com>
Date: Mon, 27 Sep 2021 11:19:26 -0700
Message-ID: <CAPcyv4g-H20sh_CLmNFycQ28BYGmVK8q_v6-8k2-YoctqwwUNQ@mail.gmail.com>
Subject: Re: fix a dax/block device attribute registration regression
To: Christoph Hellwig <hch@lst.de>
Cc: Jens Axboe <axboe@kernel.dk>, Vishal Verma <vishal.l.verma@intel.com>, 
	Dave Jiang <dave.jiang@intel.com>, Ira Weiny <ira.weiny@intel.com>, linux-block@vger.kernel.org, 
	Linux NVDIMM <nvdimm@lists.linux.dev>
Content-Type: text/plain; charset="UTF-8"

On Wed, Sep 22, 2021 at 11:34 AM Christoph Hellwig <hch@lst.de> wrote:
>
> Hi Dan and Jens,
>
> this series fixed a regression in how the dax/write_cache attribute of the
> pmem devices was registere.  It does so by both fixing the API abuse in the
> driver and (temporarily) the behavior change in the block layer that made
> this API abuse not work anymore.

I took patch1 into for-5.15/libnvdimm, patch2 into for-5.16/libnvdimm,
and I'll leave patch3 for Jens.