Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp163875ybz; Thu, 30 Apr 2020 18:45:01 -0700 (PDT) X-Google-Smtp-Source: APiQypJ5MLprBfUJawVelVL1PKZ4Ti/XZsiKGsH7PuduW2nKLMpF/3UA6iiN2Oj33mwaf6sIYrX/ X-Received: by 2002:a17:906:38c:: with SMTP id b12mr1204723eja.332.1588297501833; Thu, 30 Apr 2020 18:45:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1588297501; cv=none; d=google.com; s=arc-20160816; b=xpf3k6urO3MWBzouafS+LFXgWsJEMn/nCEmeJf/MmgI5obXikQH/P/qUYGL9QUK1Rb HnffoQ2eG/v1eyx1qHfTAUAdvt2jdxyBAde0wXOBT4DDkuaswTNqR36qarAgrfz5f7WA Q2/HAHKjen6+H8KKn3M9E//uliP63nRYgRVdn9sTdvZS3xmpepC0dMutTtvWKeiuHECv KFwhp3PkllX9LUeBAAuLALkbRPvxKDQ4LzenbOPmxuEwX2POp/oehykOBXJJZOvEmjf4 v9Zb/SpPYMTrdxkiTCwuQKT59+bI8GsX3mmprY9pn0+YROVTKb/uk3Rc6t6b+SHq+o5D YCzA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=trbOd/sxn9XGUMmyAPbB0ZJZPfTeuKcn+Urwjio32oY=; b=R8rGOFaFUmFAKEousF7lnsR51FA2C1VAGEr0X734CXDvJfWImFzr4PnIKsqrIfaa9+ wnq+Jx4sjk4DY8xHZTHXs3+MECWIofcUrg5Bm4IPZelN8cdRUN0K1oeX430AcsS9etty ViJDthmgY0stWhzIzba2Lr08IHFA7abaO83ax/ZN4BUhgM0VVytvLFQKhcLuw8tvR9ov WEOWbGJArstnCoDLdlewB9KrWVkpSV1Plr9zDax3Vvmyq0T6VFGa0kkG0FOzwwHAQtDE sNL0tlrOq8xh0qL5uJrkn7WE9ojMzUrjgjLL1NZ8yZHco6HDSnMh+S1S1QA0Q7UM6pfn w5zg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id t9si845809ejr.422.2020.04.30.18.44.39; Thu, 30 Apr 2020 18:45:01 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728073AbgEABmy (ORCPT + 99 others); Thu, 30 Apr 2020 21:42:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53576 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727114AbgEABmy (ORCPT ); Thu, 30 Apr 2020 21:42:54 -0400 Received: from ZenIV.linux.org.uk (zeniv.linux.org.uk [IPv6:2002:c35c:fd02::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ADCF1C035494; Thu, 30 Apr 2020 18:42:53 -0700 (PDT) Received: from viro by ZenIV.linux.org.uk with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jUKhB-00FVTz-IU; Fri, 01 May 2020 01:42:29 +0000 Date: Fri, 1 May 2020 02:42:29 +0100 From: Al Viro To: Matthew Wilcox Cc: Guoqing Jiang , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, hch@infradead.org, david@fromorbit.com, Andrew Morton , "Darrick J. Wong" , William Kucharski , "Kirill A. Shutemov" , Andreas Gruenbacher , Yang Shi , Yafang Shao , Song Liu , linux-raid@vger.kernel.org, Chris Mason , Josef Bacik , David Sterba , linux-btrfs@vger.kernel.org, Jaegeuk Kim , Chao Yu , linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, Anton Altaparmakov , linux-ntfs-dev@lists.sourceforge.net, Mike Marshall , Martin Brandenburg , devel@lists.orangefs.org, Thomas Gleixner , Sebastian Andrzej Siewior , Roman Gushchin , Andreas Dilger Subject: Re: [RFC PATCH V2 1/9] include/linux/pagemap.h: introduce attach/clear_page_private Message-ID: <20200501014229.GB23230@ZenIV.linux.org.uk> References: <20200430214450.10662-1-guoqing.jiang@cloud.ionos.com> <20200430214450.10662-2-guoqing.jiang@cloud.ionos.com> <20200430221338.GY29705@bombadil.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200430221338.GY29705@bombadil.infradead.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 30, 2020 at 03:13:38PM -0700, Matthew Wilcox wrote: > > +/** > > + * clear_page_private - clear page's private field and PG_private. > > + * @page: page to be cleared. > > + * > > + * The counterpart function of attach_page_private. > > + * Return: private data of page or NULL if page doesn't have private data. > > + */ > > Seems to me that the opposite of "attach" is "detach", not "clear". Or "remove", perhaps...