From patchwork Sat Mar 6 21:15:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matthew Wilcox (Oracle)" X-Patchwork-Id: 12120215 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=-18.7 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,URIBL_BLOCKED, USER_AGENT_GIT 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 0382CC433E0 for ; Sat, 6 Mar 2021 21:16:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B0B7264FCC for ; Sat, 6 Mar 2021 21:16:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229704AbhCFVPy (ORCPT ); Sat, 6 Mar 2021 16:15:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229642AbhCFVPm (ORCPT ); Sat, 6 Mar 2021 16:15:42 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B71E9C06174A; Sat, 6 Mar 2021 13:15:42 -0800 (PST) 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: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=VQ8FmP4Hiih4NweBx3Yr8lFu8i5sit0vYyEzaq8cIKI=; b=MTNLzm+TUW2tPd2YM3vEfoLXhT G1URl0uhROFXmJqGvDGstSL0BwFIZ0rEb5BmEn7X3cH48XFUFL8UpAXgtI55qdj7KtJdeeFaMzFoJ pEnIABvfHdWHingVqmIee2Gqvk4nKdPG34HJz3pRkArs4VPUDHwW2uh8vvnfy73IR01WmwIa6UQRZ W2pARTeo98x3sMtyiC2f9ala6Xx4vdSUZQab1ncgbAiZE9L5rOO4JhiINwVNQwfn8cflXhTlxkAMc T2gKpba9HnMnYkFNIxyHl7uJ5346+pWGNWB1N3k65AAD46Lr+3YH6xnW9QjwCJVrECYb2KpquL+5V Qiy5haFg==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lIeGe-00DWSA-I9; Sat, 06 Mar 2021 21:15:23 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fbdev@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , linux-kernel@vger.kernel.org, Jani Nikula , Daniel Vetter , Jaya Kumar Subject: [PATCH] fb_defio: Use __set_page_dirty_no_writeback Date: Sat, 6 Mar 2021 21:15:16 +0000 Message-Id: <20210306211516.3222952-1-willy@infradead.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org The home-grown set_page_dirty() implementation had the wrong return value. Use __set_page_dirty_no_writeback() like other in-memory implementations. Signed-off-by: Matthew Wilcox (Oracle) Reported-by: kernel test robot --- drivers/video/fbdev/core/fb_defio.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c index a591d291b231..35021265e294 100644 --- a/drivers/video/fbdev/core/fb_defio.c +++ b/drivers/video/fbdev/core/fb_defio.c @@ -151,15 +151,8 @@ static const struct vm_operations_struct fb_deferred_io_vm_ops = { .page_mkwrite = fb_deferred_io_mkwrite, }; -static int fb_deferred_io_set_page_dirty(struct page *page) -{ - if (!PageDirty(page)) - SetPageDirty(page); - return 0; -} - static const struct address_space_operations fb_deferred_io_aops = { - .set_page_dirty = fb_deferred_io_set_page_dirty, + .set_page_dirty = __set_page_dirty_no_writeback, }; int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma)