From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21825C433EF for ; Tue, 14 Dec 2021 15:48:15 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A52506B0073; Tue, 14 Dec 2021 10:48:04 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 9DA7C6B0074; Tue, 14 Dec 2021 10:48:04 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 87B3B6B0075; Tue, 14 Dec 2021 10:48:04 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0237.hostedemail.com [216.40.44.237]) by kanga.kvack.org (Postfix) with ESMTP id 77C486B0073 for ; Tue, 14 Dec 2021 10:48:04 -0500 (EST) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 23989180DA167 for ; Tue, 14 Dec 2021 15:47:54 +0000 (UTC) X-FDA: 78916830468.22.7651AF5 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf30.hostedemail.com (Postfix) with ESMTP id 91F8980011 for ; Tue, 14 Dec 2021 15:47:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=ZNFHZQjTOXyoInxQ8Rw72YQwQcKhBNeR9xhzBXqc+d8=; b=0xC+kpJFNTmPq6U3ipdNM88wOw 4lGneUDqguN6kksfMMdrtOQhTl7yugQHt5H4m0GikMZlQyAFQ0H59Yo8ROEaqq5Vhm2YgzJzQshLC YL0HEnJKcpIfbrOHxi07kZSgyl3m1Hm0kGfuVSZc87L/I6wkSFkHg5MUOYm6LEQd2dpmM1KH5oMr0 OVsahS5PmS7slhP9/8d0T7O8118Cq3ZqolZzNoHQvSnSWyzWXVUXW0AKGddRMsDhnWkHyZpQuAuKl H2Of89G8mqoVrxaUIAyUcCsGp6DGOKqYPndGtdH+lJIZwEBzw+7cfthU7H4LwRZN1cp94cqL8jLcI E0h+WNEg==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mxA1u-00Ek7m-DX; Tue, 14 Dec 2021 15:47:50 +0000 Date: Tue, 14 Dec 2021 07:47:50 -0800 From: Christoph Hellwig To: Shiyang Ruan Cc: linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, nvdimm@lists.linux.dev, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, djwong@kernel.org, dan.j.williams@intel.com, david@fromorbit.com, hch@infradead.org, jane.chu@oracle.com Subject: Re: [PATCH v8 7/9] dax: add dax holder helper for filesystems Message-ID: References: <20211202084856.1285285-1-ruansy.fnst@fujitsu.com> <20211202084856.1285285-8-ruansy.fnst@fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211202084856.1285285-8-ruansy.fnst@fujitsu.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 91F8980011 X-Stat-Signature: 4te5dz8t4ugd3jw9r7sq3x143rxw5tep Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=0xC+kpJF; spf=none (imf30.hostedemail.com: domain of BATV+86a4492529da8568e983+6687+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+86a4492529da8568e983+6687+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none X-HE-Tag: 1639496873-290685 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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?