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 X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73AD2C432C0 for ; Mon, 2 Dec 2019 17:03:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 494ED20881 for ; Mon, 2 Dec 2019 17:03:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="SbCAbqhl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727752AbfLBRDg (ORCPT ); Mon, 2 Dec 2019 12:03:36 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:41710 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727493AbfLBRDg (ORCPT ); Mon, 2 Dec 2019 12:03:36 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; 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:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=4Bog2FcHzbVHTGABIFboxW3D8q+dKfFuUFtGCAvbJN8=; b=SbCAbqhl8BRByWXfNxrs1pif9 h1kuXOWtY5KlKFGagbhiuSkdoQ8JTC3tVkOtyn7IDbslxfoLacwaCo9JhBbnclgHD6EiMIarWctt4 BmfhVDD8DdqCJwKvltRp77ZzUz2+t7BrAuuxTADLlgCvFrdC/Sw6UFGWmY9MucMUflWd6YH2SCb49 AxZksLP9TKMgCA7M/p3ge6FA0nY77A+fBYDdZGQY/B1xIiUwbDL9leZ9CoKm16Tz2b47hwQQuu16T sjQENJmZI8qWH53Ebo13NhIo60AsJeRUiBsd0r2yUYqFXTj3rTafZNTQvNrBDM/sFqG0ix3JICDw2 Ya7gGk/lw==; Received: from hch by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1ibp57-000150-Vc; Mon, 02 Dec 2019 17:01:53 +0000 Date: Mon, 2 Dec 2019 09:01:53 -0800 From: Christoph Hellwig To: ira.weiny@intel.com Cc: Andrew Morton , Alexander Viro , Chris Mason , Josef Bacik , David Sterba , Jaegeuk Kim , Chao Yu , linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, Trond Myklebust , Anna Schumaker , linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-nfs@vger.kernel.org, linux-mm@kvack.org, Dave Chinner , "Darrick J . Wong" , Jan Kara Subject: Re: [PATCH V3 2/3] fs: Move swap_[de]activate to file_operations Message-ID: <20191202170153.GA2870@infradead.org> References: <20191129163300.14749-1-ira.weiny@intel.com> <20191129163300.14749-3-ira.weiny@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191129163300.14749-3-ira.weiny@intel.com> User-Agent: Mutt/1.12.1 (2019-06-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org While the patch itself looks fine, I kinda disagree with the rationale. If we want different ops for DAX that applies to file operations just as much as to the address space operations. However I agree that the ops are logically a better fit for the file operations, so: Reviewed-by: Christoph Hellwig