linux-ext4 - Re: [PATCH 09/29] dm-linear: add a linear_dax

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Message-ID: <CAPcyv4igxMdMA0XpjZt0aXahef5Worvz663ynd5i4=HeKJAqKw@mail.gmail.com>
Date:   Mon, 22 Nov 2021 19:59:25 -0800
From:   Dan Williams <dan.j.williams@...el.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Mike Snitzer <snitzer@...hat.com>, Ira Weiny <ira.weiny@...el.com>,
        device-mapper development <dm-devel@...hat.com>,
        linux-xfs <linux-xfs@...r.kernel.org>,
        Linux NVDIMM <nvdimm@...ts.linux.dev>,
        linux-s390 <linux-s390@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        linux-erofs@...ts.ozlabs.org,
        linux-ext4 <linux-ext4@...r.kernel.org>,
        virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH 09/29] dm-linear: add a linear_dax_pgoff helper

On Tue, Nov 9, 2021 at 12:33 AM Christoph Hellwig <hch@....de> wrote:
>
> Add a helper to perform the entire remapping for DAX accesses.  This
> helper open codes bdev_dax_pgoff given that the alignment checks have
> already been done by the submitting file system and don't need to be
> repeated.
>
> Signed-off-by: Christoph Hellwig <hch@....de>
> Acked-by: Mike Snitzer <snitzer@...hat.com>

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