linux-ext4 - Re: [PATCH 09/11] dm-log-writes: add a log_writes_dax

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Message-ID: <CAPcyv4iaUPEo73+KsBdYhM72WqKqJpshL-YU_iWoujk5jNUhmA@mail.gmail.com>
Date:   Wed, 27 Oct 2021 18:36:11 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Christoph Hellwig <hch@....de>, Mike Snitzer <snitzer@...hat.com>
Cc:     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 09/11] dm-log-writes: add a log_writes_dax_pgoff helper

On Sun, Oct 17, 2021 at 9:41 PM 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.

Looks good.

Mike, ack?