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_MUTT autolearn=ham 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 42C59C43613 for ; Mon, 24 Jun 2019 15:34:24 +0000 (UTC) Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 12FF320652; Mon, 24 Jun 2019 15:34:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sourceforge.net header.i=@sourceforge.net header.b="kZI0uhr6"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sf.net header.i=@sf.net header.b="ecCh2TH7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 12FF320652 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.cz Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linux-f2fs-devel-bounces@lists.sourceforge.net Received: from [127.0.0.1] (helo=sfs-ml-1.v29.lw.sourceforge.com) by sfs-ml-1.v29.lw.sourceforge.com with esmtp (Exim 4.90_1) (envelope-from ) id 1hfQz0-0003c0-GI; Mon, 24 Jun 2019 15:34:14 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-1.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1hfQyp-0003ZF-Vd for linux-f2fs-devel@lists.sourceforge.net; Mon, 24 Jun 2019 15:34:04 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; 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=PO9YeLkB1SMJb/jJHsI3pjVR6cVpXVnKzrwy5nsh+Ss=; b=kZI0uhr6eUmd6wHBM26TPENKJO 9uD5uQiPCRKhrUX8votqEXpNihiv2v1/2c7mFCy74vPKdUgLtyWxAEmuDXAjqwiHsqmfhRIUBMgCe U54Kyt0Qmcf+4pGiWaqaXLx6BZTsbNfCoWUq25QcUbG90wzNQF//yo0560QqT59i/4nc=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; 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=PO9YeLkB1SMJb/jJHsI3pjVR6cVpXVnKzrwy5nsh+Ss=; b=ecCh2TH7CQHY32ozP5TqIujE/f PlaqAjaNvBl+x8Vb1XVNJSp6sR890O9qRyjpCmI2B8r/ovE3B1tKrdvGo2SE1/OxrBbwBCUkrSe0x ZvqPfA2FS2CZUoz9negz8H4KQmdymSEbQpQkRX03pASDVxMLpUQd6Dm1uqVWJDeNaKA4=; Received: from mx2.suse.de ([195.135.220.15] helo=mx1.suse.de) by sfi-mx-3.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) id 1hfQys-00CDDM-St for linux-f2fs-devel@lists.sourceforge.net; Mon, 24 Jun 2019 15:34:09 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id CB7C9ACAC; Mon, 24 Jun 2019 15:33:59 +0000 (UTC) Received: by quack2.suse.cz (Postfix, from userid 1000) id 408D11E2F23; Mon, 24 Jun 2019 17:33:58 +0200 (CEST) Date: Mon, 24 Jun 2019 17:33:58 +0200 From: Jan Kara To: "Darrick J. Wong" Message-ID: <20190624153358.GH32376@quack2.suse.cz> References: <156116141046.1664939.11424021489724835645.stgit@magnolia> <156116142734.1664939.5074567130774423066.stgit@magnolia> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <156116142734.1664939.5074567130774423066.stgit@magnolia> User-Agent: Mutt/1.10.1 (2018-07-13) X-Headers-End: 1hfQys-00CDDM-St Subject: Re: [f2fs-dev] [PATCH 2/7] vfs: flush and wait for io when setting the immutable flag via SETFLAGS X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-efi@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-mm@kvack.org, clm@fb.com, adilger.kernel@dilger.ca, matthew.garrett@nebula.com, linux-nilfs@vger.kernel.org, linux-ext4@vger.kernel.org, devel@lists.orangefs.org, josef@toxicpanda.com, reiserfs-devel@vger.kernel.org, viro@zeniv.linux.org.uk, dsterba@suse.com, jaegeuk@kernel.org, tytso@mit.edu, ard.biesheuvel@linaro.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, jk@ozlabs.org, jack@suse.com, linux-fsdevel@vger.kernel.org, linux-mtd@lists.infradead.org, ocfs2-devel@oss.oracle.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On Fri 21-06-19 16:57:07, Darrick J. Wong wrote: > +/* > + * Flush file data before changing attributes. Caller must hold any locks > + * required to prevent further writes to this file until we're done setting > + * flags. > + */ > +static inline int inode_flush_data(struct inode *inode) > +{ > + inode_dio_wait(inode); > + return filemap_write_and_wait(inode->i_mapping); > +} BTW, how about calling this function inode_drain_writes() instead? The 'flush_data' part is more a detail of implementation of write draining than what we need to do to set immutable flag. Honza -- Jan Kara SUSE Labs, CR _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel