From patchwork Fri Mar 7 13:54:07 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 14006531 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C310AC28B2F for ; Fri, 7 Mar 2025 13:54:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B3B9110EB73; Fri, 7 Mar 2025 13:54:26 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.b="XZn6/qRR"; dkim-atps=neutral Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2F04310EB73 for ; Fri, 7 Mar 2025 13:54:21 +0000 (UTC) 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=/z5i0Mk9Cv2/sY4L3FZ7BIchCOXs9aYcNdg4XHBiico=; b=XZn6/qRRlZuA8W/65iLtP+DmJA 0a6R3g2imvgF9NFcjTV1wjItQb+Gm+iOmA3lKwb4uzXzpnGk1s+xHDW1io4ZlfX02BHlNf6G97ThN u2X2fj2Fs/PyNipIEfklLIt1qS6Yvysi39dBIgGZs19uBqdkje0otPp8X6WgmP4CQcUcfk3S/55aI T69BjppGgpcnsa2I1E5z1bACCLuqc1dYu/JT0Ao97YkukJGpxyiE6WN8iCl0IVdAD/ikqUSAgUX6q JHN4JQhhgTuWrUFBmcQinFwhgbp7J+0zmTpBe8abLU2VrxruKpPU3fThzjwCY8FxIcJckOvoQy44X nq+E4ZlA==; Received: from willy by casper.infradead.org with local (Exim 4.98 #2 (Red Hat Linux)) id 1tqY9Y-0000000CXGT-1pj8; Fri, 07 Mar 2025 13:54:16 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org, intel-gfx@lists.freedesktop.org Subject: [PATCH 07/11] writeback: Remove writeback_use_writepage() Date: Fri, 7 Mar 2025 13:54:07 +0000 Message-ID: <20250307135414.2987755-8-willy@infradead.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250307135414.2987755-1-willy@infradead.org> References: <20250307135414.2987755-1-willy@infradead.org> MIME-Version: 1.0 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" The ->writepage operation is going away. Remove this alternative to calling ->writepages. Signed-off-by: Matthew Wilcox (Oracle) --- mm/page-writeback.c | 28 ++-------------------------- 1 file changed, 2 insertions(+), 26 deletions(-) diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 18456ddd463b..3cf7ae45be58 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2621,27 +2621,6 @@ int write_cache_pages(struct address_space *mapping, } EXPORT_SYMBOL(write_cache_pages); -static int writeback_use_writepage(struct address_space *mapping, - struct writeback_control *wbc) -{ - struct folio *folio = NULL; - struct blk_plug plug; - int err; - - blk_start_plug(&plug); - while ((folio = writeback_iter(mapping, wbc, folio, &err))) { - err = mapping->a_ops->writepage(&folio->page, wbc); - if (err == AOP_WRITEPAGE_ACTIVATE) { - folio_unlock(folio); - err = 0; - } - mapping_set_error(mapping, err); - } - blk_finish_plug(&plug); - - return err; -} - int do_writepages(struct address_space *mapping, struct writeback_control *wbc) { int ret; @@ -2652,14 +2631,11 @@ int do_writepages(struct address_space *mapping, struct writeback_control *wbc) wb = inode_to_wb_wbc(mapping->host, wbc); wb_bandwidth_estimate_start(wb); while (1) { - if (mapping->a_ops->writepages) { + if (mapping->a_ops->writepages) ret = mapping->a_ops->writepages(mapping, wbc); - } else if (mapping->a_ops->writepage) { - ret = writeback_use_writepage(mapping, wbc); - } else { + else /* deal with chardevs and other special files */ ret = 0; - } if (ret != -ENOMEM || wbc->sync_mode != WB_SYNC_ALL) break;