linux-kernel - Re: [PATCH v8 7/9] dax: add dax holder helper for filesystems

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Message-ID: <Ybi8pmieExZbd/Ee@infradead.org>
Date:   Tue, 14 Dec 2021 07:47:50 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Shiyang Ruan <ruansy.fnst@...itsu.com>
Cc:     linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org,
        nvdimm@...ts.linux.dev, linux-mm@...ck.org,
        linux-fsdevel@...r.kernel.org, djwong@...nel.org,
        dan.j.williams@...el.com, david@...morbit.com, hch@...radead.org,
        jane.chu@...cle.com
Subject: Re: [PATCH v8 7/9] dax: add dax holder helper for filesystems

On Thu, Dec 02, 2021 at 04:48:54PM +0800, Shiyang Ruan wrote:
> Add these helper functions, and export them for filesystem use.

What is the point of adding these wrappers vs just calling the
underlying functions?