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=-8.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 98A6BC07E95 for ; Tue, 20 Jul 2021 07:13:43 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 232E2610CC for ; Tue, 20 Jul 2021 07:13:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 232E2610CC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C722C8D0002; Tue, 20 Jul 2021 03:13:43 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C48F18D0001; Tue, 20 Jul 2021 03:13:43 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B38A88D0002; Tue, 20 Jul 2021 03:13:43 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0225.hostedemail.com [216.40.44.225]) by kanga.kvack.org (Postfix) with ESMTP id 8C9FC8D0001 for ; Tue, 20 Jul 2021 03:13:43 -0400 (EDT) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 4A06F182BA06C for ; Tue, 20 Jul 2021 07:13:41 +0000 (UTC) X-FDA: 78382101042.30.CB06775 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf12.hostedemail.com (Postfix) with ESMTP id DA83E1000255 for ; Tue, 20 Jul 2021 07:13:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.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; bh=D4/2594UznIb06/W+TYQvHolWuTP4voEII+lw6CHkAg=; b=lwNBiu5OYrA1R86PAIHNNVqUZ3 HTSfB+mZGK54+4EKC61Mbbgq2bbiGk4clI97u4xVyHIUkiuLFcgKVLtxrX92QrTk2631AW1oCJYTz FXQZxSHuHadSUCqjjdQ5S1BN4sf3NnyvxKaj5vo2QdrZk6hiaWjoxQ7zeDRMloePMa8y3qKcKqBiH hSGG7eo/VFULDmOlKbVbfNO0f86OEG8xhb3IGwzeYZP8i/sG2B7NGhT5z6C69QoikYzj/IClrDA/B LEwIRhGwh4nTMyQ4oBSH80vj6jRmk2d4UJ+jFN2hoZRUKjhyMmpQCQHHu7J/lxfyjtpqbcVnnAicu YO2Ifyow==; Received: from [2001:4bb8:193:7660:5612:5e3c:ba3d:2b3c] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1m5jw7-007rJw-FI; Tue, 20 Jul 2021 07:13:09 +0000 Date: Tue, 20 Jul 2021 09:13:02 +0200 From: Christoph Hellwig To: "Matthew Wilcox (Oracle)" Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org, "Darrick J . Wong" Subject: Re: [PATCH v15 12/17] iomap: Convert iomap_page_mkwrite to use a folio Message-ID: References: <20210719184001.1750630-1-willy@infradead.org> <20210719184001.1750630-13-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210719184001.1750630-13-willy@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=lwNBiu5O; spf=none (imf12.hostedemail.com: domain of BATV@casper.srs.infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=BATV@casper.srs.infradead.org; dmarc=none X-Rspamd-Server: rspam05 X-Stat-Signature: irbj85bszx49sb6ikj46yg5zny7zynb9 X-Rspamd-Queue-Id: DA83E1000255 X-HE-Tag: 1626765220-441194 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 Mon, Jul 19, 2021 at 07:39:56PM +0100, Matthew Wilcox (Oracle) wrote: > - struct page *page = data; > + struct folio *folio = data; > int ret; > > if (iomap->flags & IOMAP_F_BUFFER_HEAD) { > - ret = __block_write_begin_int(page, pos, length, NULL, iomap); > + ret = __block_write_begin_int(&folio->page, pos, length, NULL, > + iomap); > if (ret) > return ret; > - block_commit_write(page, 0, length); > + block_commit_write(&folio->page, 0, length); > } else { > - WARN_ON_ONCE(!PageUptodate(page)); > - set_page_dirty(page); > + WARN_ON_ONCE(!folio_test_uptodate(folio)); > + folio_mark_dirty(folio); Not that having this else clause code for the !IOMAP_F_BUFFER_HEAD case here is a bit silly, and becomes more so with folios - it should probably move into the caller. I'll see what I can do there in this merge window to prepare. Otherwise this looks good: Reviewed-by: Christoph Hellwig