From patchwork Mon Jun 14 06:15:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12318129 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 627B7C48BE6 for ; Mon, 14 Jun 2021 06:15:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3DB0E613BF for ; Mon, 14 Jun 2021 06:15:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232412AbhFNGRf (ORCPT ); Mon, 14 Jun 2021 02:17:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60546 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232278AbhFNGR3 (ORCPT ); Mon, 14 Jun 2021 02:17:29 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D2903C061574; Sun, 13 Jun 2021 23:15:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=JKJzAmSAHwk4DuO0P8NQjECndpT2leyFgXeUQoVCm0U=; b=ISJcGlDRV3/TJEO3Udm+LeywsZ 0isz9vY2D9b5RUIovtx436iSYgFImaqGjpp3a/AScGWgMPZLhFZmTNh2YafM7iGdaw25vZNHNfXlO usRl3rIULOUWwZkzxiIRr9RK+iNFCOP2PNJAHkpNi6Vnn/2o+9+jhbGZtwuGo1yDWC72lz52H7sd+ xJPS4TqN4zd+u3b57pa6d1htOSmYxm80CN5JPYdjULIAZ3bojFRS3QCfsjYwIu4NXM4T5isi22WM1 ez9l1QpOJ8xsAEfJ742x6XTcbaoyWMfuBShbseQnqTD529maJuvTceQZAwgVMRQa1qwqQaYljkxl/ adc0W/mw==; Received: from [2001:4bb8:19b:fdce:c70:4a89:bc61:2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1lsfsY-00Ch5u-9h; Mon, 14 Jun 2021 06:15:22 +0000 From: Christoph Hellwig To: Andrew Morton Cc: Jan Kara , Al Viro , Greg Kroah-Hartman , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] mm: require ->set_page_dirty to be explicitly wire up Date: Mon, 14 Jun 2021 08:15:12 +0200 Message-Id: <20210614061512.3966143-4-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210614061512.3966143-1-hch@lst.de> References: <20210614061512.3966143-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Remove the CONFIG_BLOCK default to __set_page_dirty_buffers and just wire that method up for the missing instances. Signed-off-by: Christoph Hellwig Reviewed-by: Greg Kroah-Hartman Reviewed-by: Jan Kara --- fs/adfs/inode.c | 1 + fs/affs/file.c | 2 ++ fs/bfs/file.c | 1 + fs/block_dev.c | 1 + fs/exfat/inode.c | 1 + fs/ext2/inode.c | 2 ++ fs/fat/inode.c | 1 + fs/gfs2/meta_io.c | 2 ++ fs/hfs/inode.c | 2 ++ fs/hfsplus/inode.c | 2 ++ fs/hpfs/file.c | 1 + fs/jfs/inode.c | 1 + fs/minix/inode.c | 1 + fs/nilfs2/mdt.c | 1 + fs/ocfs2/aops.c | 1 + fs/omfs/file.c | 1 + fs/sysv/itree.c | 1 + fs/udf/file.c | 1 + fs/udf/inode.c | 1 + fs/ufs/inode.c | 1 + mm/page-writeback.c | 18 ++++-------------- 21 files changed, 29 insertions(+), 14 deletions(-) diff --git a/fs/adfs/inode.c b/fs/adfs/inode.c index fb7ee026d101..adbb3a1edcbf 100644 --- a/fs/adfs/inode.c +++ b/fs/adfs/inode.c @@ -73,6 +73,7 @@ static sector_t _adfs_bmap(struct address_space *mapping, sector_t block) } static const struct address_space_operations adfs_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = adfs_readpage, .writepage = adfs_writepage, .write_begin = adfs_write_begin, diff --git a/fs/affs/file.c b/fs/affs/file.c index d91b0133d95d..75ebd2b576ca 100644 --- a/fs/affs/file.c +++ b/fs/affs/file.c @@ -453,6 +453,7 @@ static sector_t _affs_bmap(struct address_space *mapping, sector_t block) } const struct address_space_operations affs_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = affs_readpage, .writepage = affs_writepage, .write_begin = affs_write_begin, @@ -833,6 +834,7 @@ static int affs_write_end_ofs(struct file *file, struct address_space *mapping, } const struct address_space_operations affs_aops_ofs = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = affs_readpage_ofs, //.writepage = affs_writepage_ofs, .write_begin = affs_write_begin_ofs, diff --git a/fs/bfs/file.c b/fs/bfs/file.c index 0dceefc54b48..7f8544abf636 100644 --- a/fs/bfs/file.c +++ b/fs/bfs/file.c @@ -188,6 +188,7 @@ static sector_t bfs_bmap(struct address_space *mapping, sector_t block) } const struct address_space_operations bfs_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = bfs_readpage, .writepage = bfs_writepage, .write_begin = bfs_write_begin, diff --git a/fs/block_dev.c b/fs/block_dev.c index 6cc4d4cfe0c2..eb34f5c357cf 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1754,6 +1754,7 @@ static int blkdev_writepages(struct address_space *mapping, } static const struct address_space_operations def_blk_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = blkdev_readpage, .readahead = blkdev_readahead, .writepage = blkdev_writepage, diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c index 1803ef3220fd..ca37d4344361 100644 --- a/fs/exfat/inode.c +++ b/fs/exfat/inode.c @@ -491,6 +491,7 @@ int exfat_block_truncate_page(struct inode *inode, loff_t from) } static const struct address_space_operations exfat_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = exfat_readpage, .readahead = exfat_readahead, .writepage = exfat_writepage, diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 68178b2234bd..bf41f579ed3e 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -961,6 +961,7 @@ ext2_dax_writepages(struct address_space *mapping, struct writeback_control *wbc } const struct address_space_operations ext2_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = ext2_readpage, .readahead = ext2_readahead, .writepage = ext2_writepage, @@ -975,6 +976,7 @@ const struct address_space_operations ext2_aops = { }; const struct address_space_operations ext2_nobh_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = ext2_readpage, .readahead = ext2_readahead, .writepage = ext2_nobh_writepage, diff --git a/fs/fat/inode.c b/fs/fat/inode.c index bab9b202b496..de0c9b013a85 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -342,6 +342,7 @@ int fat_block_truncate_page(struct inode *inode, loff_t from) } static const struct address_space_operations fat_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = fat_readpage, .readahead = fat_readahead, .writepage = fat_writepage, diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index d68184ebbfdd..7c9619997355 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -89,11 +89,13 @@ static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wb } const struct address_space_operations gfs2_meta_aops = { + .set_page_dirty = __set_page_dirty_buffers, .writepage = gfs2_aspace_writepage, .releasepage = gfs2_releasepage, }; const struct address_space_operations gfs2_rgrp_aops = { + .set_page_dirty = __set_page_dirty_buffers, .writepage = gfs2_aspace_writepage, .releasepage = gfs2_releasepage, }; diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index 3fc5cb346586..4a95a92546a0 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -159,6 +159,7 @@ static int hfs_writepages(struct address_space *mapping, } const struct address_space_operations hfs_btree_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = hfs_readpage, .writepage = hfs_writepage, .write_begin = hfs_write_begin, @@ -168,6 +169,7 @@ const struct address_space_operations hfs_btree_aops = { }; const struct address_space_operations hfs_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = hfs_readpage, .writepage = hfs_writepage, .write_begin = hfs_write_begin, diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index 8ea447e5c470..70e8374ddac4 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -156,6 +156,7 @@ static int hfsplus_writepages(struct address_space *mapping, } const struct address_space_operations hfsplus_btree_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = hfsplus_readpage, .writepage = hfsplus_writepage, .write_begin = hfsplus_write_begin, @@ -165,6 +166,7 @@ const struct address_space_operations hfsplus_btree_aops = { }; const struct address_space_operations hfsplus_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = hfsplus_readpage, .writepage = hfsplus_writepage, .write_begin = hfsplus_write_begin, diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c index 077c25128eb7..c3a49aacf20a 100644 --- a/fs/hpfs/file.c +++ b/fs/hpfs/file.c @@ -196,6 +196,7 @@ static int hpfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, } const struct address_space_operations hpfs_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = hpfs_readpage, .writepage = hpfs_writepage, .readahead = hpfs_readahead, diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index 6f65bfa9f18d..3663dd5a23bc 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c @@ -356,6 +356,7 @@ static ssize_t jfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter) } const struct address_space_operations jfs_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = jfs_readpage, .readahead = jfs_readahead, .writepage = jfs_writepage, diff --git a/fs/minix/inode.c b/fs/minix/inode.c index a532a99bbe81..a71f1cf894b9 100644 --- a/fs/minix/inode.c +++ b/fs/minix/inode.c @@ -442,6 +442,7 @@ static sector_t minix_bmap(struct address_space *mapping, sector_t block) } static const struct address_space_operations minix_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = minix_readpage, .writepage = minix_writepage, .write_begin = minix_write_begin, diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c index c0361ce45f62..97769fe4d588 100644 --- a/fs/nilfs2/mdt.c +++ b/fs/nilfs2/mdt.c @@ -434,6 +434,7 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc) static const struct address_space_operations def_mdt_aops = { + .set_page_dirty = __set_page_dirty_buffers, .writepage = nilfs_mdt_write_page, }; diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 1294925ac94a..b3517de178ff 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -2454,6 +2454,7 @@ static ssize_t ocfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter) } const struct address_space_operations ocfs2_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = ocfs2_readpage, .readahead = ocfs2_readahead, .writepage = ocfs2_writepage, diff --git a/fs/omfs/file.c b/fs/omfs/file.c index 11e733aab25d..89725b15a64b 100644 --- a/fs/omfs/file.c +++ b/fs/omfs/file.c @@ -372,6 +372,7 @@ const struct inode_operations omfs_file_inops = { }; const struct address_space_operations omfs_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = omfs_readpage, .readahead = omfs_readahead, .writepage = omfs_writepage, diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c index 8b2e99b7bc9f..749385015a8d 100644 --- a/fs/sysv/itree.c +++ b/fs/sysv/itree.c @@ -495,6 +495,7 @@ static sector_t sysv_bmap(struct address_space *mapping, sector_t block) } const struct address_space_operations sysv_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = sysv_readpage, .writepage = sysv_writepage, .write_begin = sysv_write_begin, diff --git a/fs/udf/file.c b/fs/udf/file.c index 2846dcd92197..1baff8ddb754 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -125,6 +125,7 @@ static int udf_adinicb_write_end(struct file *file, struct address_space *mappin } const struct address_space_operations udf_adinicb_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = udf_adinicb_readpage, .writepage = udf_adinicb_writepage, .write_begin = udf_adinicb_write_begin, diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 0dd2f93ac048..4917670860a0 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -235,6 +235,7 @@ static sector_t udf_bmap(struct address_space *mapping, sector_t block) } const struct address_space_operations udf_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = udf_readpage, .readahead = udf_readahead, .writepage = udf_writepage, diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c index debc282c1bb4..ac628de69601 100644 --- a/fs/ufs/inode.c +++ b/fs/ufs/inode.c @@ -526,6 +526,7 @@ static sector_t ufs_bmap(struct address_space *mapping, sector_t block) } const struct address_space_operations ufs_aops = { + .set_page_dirty = __set_page_dirty_buffers, .readpage = ufs_readpage, .writepage = ufs_writepage, .write_begin = ufs_write_begin, diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 0062d5c57d41..081fa02236c2 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -32,7 +32,6 @@ #include #include #include -#include /* __set_page_dirty_buffers */ #include #include #include @@ -2546,13 +2545,9 @@ EXPORT_SYMBOL(redirty_page_for_writepage); /* * Dirty a page. * - * For pages with a mapping this should be done under the page lock - * for the benefit of asynchronous memory errors who prefer a consistent - * dirty state. This rule can be broken in some special cases, - * but should be better not to. - * - * If the mapping doesn't provide a set_page_dirty a_op, then - * just fall through and assume that it wants buffer_heads. + * For pages with a mapping this should be done under the page lock for the + * benefit of asynchronous memory errors who prefer a consistent dirty state. + * This rule can be broken in some special cases, but should be better not to. */ int set_page_dirty(struct page *page) { @@ -2560,7 +2555,6 @@ int set_page_dirty(struct page *page) page = compound_head(page); if (likely(mapping)) { - int (*spd)(struct page *) = mapping->a_ops->set_page_dirty; /* * readahead/lru_deactivate_page could remain * PG_readahead/PG_reclaim due to race with end_page_writeback @@ -2573,11 +2567,7 @@ int set_page_dirty(struct page *page) */ if (PageReclaim(page)) ClearPageReclaim(page); -#ifdef CONFIG_BLOCK - if (!spd) - spd = __set_page_dirty_buffers; -#endif - return (*spd)(page); + return mapping->a_ops->set_page_dirty(page); } if (!PageDirty(page)) { if (!TestSetPageDirty(page))