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=-16.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,USER_AGENT_GIT autolearn=unavailable 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 8C371C47E4B for ; Thu, 15 Jul 2021 05:02:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 76D3D61362 for ; Thu, 15 Jul 2021 05:02:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237247AbhGOFF0 (ORCPT ); Thu, 15 Jul 2021 01:05:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233002AbhGOFFY (ORCPT ); Thu, 15 Jul 2021 01:05:24 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65456C06175F; Wed, 14 Jul 2021 22:02:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=+TBu3dsQSGib/JvdjedtN222MCjABnCjiAwlgdbT2YY=; b=lE8VmvNdrwB6S/ZdOcsq631oFl sbTbqHu27mfxXUDoKk+B0IZfyzeJxkjhEiDVXCCGD0zFsU/hckDQqmicWGSwm+1hShkHT1H38IVmC jH2gAm5+XTIXiL3ommIvl0O/ldcK/m7L5LlIqKxEdcFptaWCOM0XlMfH3eYJDmmmmtpI9ktiijaWf xT2HZSDXm/fJ+Kpf7EU4QuCBUwaiuMy783aprUpB9GLTB7+m10JDQLj9Ug2SUtOCaUcz+vqrB65a+ h2jClrCWUi1OcEGhatiq7jvGO8ZbQVK0xwHzorSScpNxgQWPyoL01TFgQkXzcD/dQxsX+YAQJI026 AieOnykQ==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1m3tTv-002zcT-SX; Thu, 15 Jul 2021 05:00:30 +0000 From: "Matthew Wilcox (Oracle)" To: linux-kernel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v14 104/138] iomap: Convert iomap_write_end_inline to take a folio Date: Thu, 15 Jul 2021 04:36:30 +0100 Message-Id: <20210715033704.692967-105-willy@infradead.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210715033704.692967-1-willy@infradead.org> References: <20210715033704.692967-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Inline data only occupies a single page, but using a folio means that we don't need to call compound_head() in PageUptodate(). Signed-off-by: Matthew Wilcox (Oracle) --- fs/iomap/buffered-io.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index c616ef1feb21..ac33f19325ab 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -662,18 +662,18 @@ static size_t __iomap_write_end(struct inode *inode, loff_t pos, size_t len, return copied; } -static size_t iomap_write_end_inline(struct inode *inode, struct page *page, +static size_t iomap_write_end_inline(struct inode *inode, struct folio *folio, struct iomap *iomap, loff_t pos, size_t copied) { void *addr; - WARN_ON_ONCE(!PageUptodate(page)); + WARN_ON_ONCE(!folio_test_uptodate(folio)); BUG_ON(pos + copied > PAGE_SIZE - offset_in_page(iomap->inline_data)); - flush_dcache_page(page); - addr = kmap_atomic(page); + flush_dcache_folio(folio); + addr = kmap_local_folio(folio, 0); memcpy(iomap->inline_data + pos, addr + pos, copied); - kunmap_atomic(addr); + kunmap_local(addr); mark_inode_dirty(inode); return copied; @@ -690,7 +690,7 @@ static size_t iomap_write_end(struct inode *inode, loff_t pos, size_t len, size_t ret; if (srcmap->type == IOMAP_INLINE) { - ret = iomap_write_end_inline(inode, page, iomap, pos, copied); + ret = iomap_write_end_inline(inode, folio, iomap, pos, copied); } else if (srcmap->flags & IOMAP_F_BUFFER_HEAD) { ret = block_write_end(NULL, inode->i_mapping, pos, len, copied, page, NULL); -- 2.30.2