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=-18.8 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,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 AF5B6C49361 for ; Tue, 15 Jun 2021 16:25:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 98588617C9 for ; Tue, 15 Jun 2021 16:25:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230351AbhFOQ1V (ORCPT ); Tue, 15 Jun 2021 12:27:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38368 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229557AbhFOQ1S (ORCPT ); Tue, 15 Jun 2021 12:27:18 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 47D4AC06175F; Tue, 15 Jun 2021 09:25:13 -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=IU3uQ9dfLdujI7vBKXSENxNJrVKzI0DwLt9eQ0OWiv4=; b=mUqd0HzNMuiamZCq7haghNckiU 1+R82zegJ/jod0xWzejW2ZQ2fpnQDVbpC2GWuRF0V5f7WjNfQ22YG2NMP+3Zt6krEP3lG92znu4c6 8SUfiQ38SXoWvGCwhJUI/qELoROABdzJMsNVcM/6z0awEj3bgHewPByBiBpnHcUUDv9+vUsmHCCPw ljbyjVeLBEy/CoMgQ5HKB7KGqHH/UVU7I6SMI02dXcUlz8HZIfabkVCGIQaI59xKf/S0A4949G08S tYqx4N1HE3NVvX20HxxYo/5WbNiTgo1evnXsXNV3yeEoE7TTRUXplxRLWPwBNLiU/lQ5ESVCNFug0 6f834zKA==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1ltBrJ-0070Jv-7e; Tue, 15 Jun 2021 16:24:20 +0000 From: "Matthew Wilcox (Oracle)" To: Christoph Hellwig , Andrew Morton , Jan Kara , Al Viro , Greg Kroah-Hartman , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" Subject: [PATCH 1/6] mm/writeback: Move __set_page_dirty() to core mm Date: Tue, 15 Jun 2021 17:23:37 +0100 Message-Id: <20210615162342.1669332-2-willy@infradead.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210615162342.1669332-1-willy@infradead.org> References: <20210615162342.1669332-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Nothing in __set_page_dirty() is specific to buffer_head, so move it to mm/page-writeback.c. That removes the only caller of account_page_dirtied() outside of page-writeback.c, so make it static. Signed-off-by: Matthew Wilcox (Oracle) --- fs/buffer.c | 24 ------------------------ include/linux/mm.h | 1 - mm/page-writeback.c | 27 ++++++++++++++++++++++++++- 3 files changed, 26 insertions(+), 26 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index 8c02e44f16f2..f5384cff7e0c 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -588,30 +588,6 @@ void mark_buffer_dirty_inode(struct buffer_head *bh, struct inode *inode) } EXPORT_SYMBOL(mark_buffer_dirty_inode); -/* - * Mark the page dirty, and set it dirty in the page cache, and mark the inode - * dirty. - * - * If warn is true, then emit a warning if the page is not uptodate and has - * not been truncated. - * - * The caller must hold lock_page_memcg(). - */ -void __set_page_dirty(struct page *page, struct address_space *mapping, - int warn) -{ - unsigned long flags; - - xa_lock_irqsave(&mapping->i_pages, flags); - if (page->mapping) { /* Race with truncate? */ - WARN_ON_ONCE(warn && !PageUptodate(page)); - account_page_dirtied(page, mapping); - __xa_set_mark(&mapping->i_pages, page_index(page), - PAGECACHE_TAG_DIRTY); - } - xa_unlock_irqrestore(&mapping->i_pages, flags); -} - /* * Add a page to the dirty page list. * diff --git a/include/linux/mm.h b/include/linux/mm.h index d64f8a1284d9..1086b556961a 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1858,7 +1858,6 @@ int __set_page_dirty_nobuffers(struct page *page); int __set_page_dirty_no_writeback(struct page *page); int redirty_page_for_writepage(struct writeback_control *wbc, struct page *page); -void account_page_dirtied(struct page *page, struct address_space *mapping); void account_page_cleaned(struct page *page, struct address_space *mapping, struct bdi_writeback *wb); int set_page_dirty(struct page *page); diff --git a/mm/page-writeback.c b/mm/page-writeback.c index f6ee085767cb..0c2c8355f97f 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2420,7 +2420,8 @@ int __set_page_dirty_no_writeback(struct page *page) * * NOTE: This relies on being atomic wrt interrupts. */ -void account_page_dirtied(struct page *page, struct address_space *mapping) +static void account_page_dirtied(struct page *page, + struct address_space *mapping) { struct inode *inode = mapping->host; @@ -2461,6 +2462,30 @@ void account_page_cleaned(struct page *page, struct address_space *mapping, } } +/* + * Mark the page dirty, and set it dirty in the page cache, and mark the inode + * dirty. + * + * If warn is true, then emit a warning if the page is not uptodate and has + * not been truncated. + * + * The caller must hold lock_page_memcg(). + */ +void __set_page_dirty(struct page *page, struct address_space *mapping, + int warn) +{ + unsigned long flags; + + xa_lock_irqsave(&mapping->i_pages, flags); + if (page->mapping) { /* Race with truncate? */ + WARN_ON_ONCE(warn && !PageUptodate(page)); + account_page_dirtied(page, mapping); + __xa_set_mark(&mapping->i_pages, page_index(page), + PAGECACHE_TAG_DIRTY); + } + xa_unlock_irqrestore(&mapping->i_pages, flags); +} + /* * For address_spaces which do not use buffers. Just tag the page as dirty in * the xarray. -- 2.30.2