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=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 D3348C47420 for ; Wed, 7 Oct 2020 01:07:42 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 39BD620760 for ; Wed, 7 Oct 2020 01:07:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="IJVExWon" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 39BD620760 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C53446B0072; Tue, 6 Oct 2020 21:07:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C03F26B0073; Tue, 6 Oct 2020 21:07:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AF2AC6B0074; Tue, 6 Oct 2020 21:07:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0183.hostedemail.com [216.40.44.183]) by kanga.kvack.org (Postfix) with ESMTP id 7774F6B0072 for ; Tue, 6 Oct 2020 21:07:41 -0400 (EDT) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 2597C180AD804 for ; Wed, 7 Oct 2020 01:07:41 +0000 (UTC) X-FDA: 77343341922.02.field92_1915279271cb Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin02.hostedemail.com (Postfix) with ESMTP id 0C195100D3497 for ; Wed, 7 Oct 2020 01:07:41 +0000 (UTC) X-HE-Tag: field92_1915279271cb X-Filterd-Recvd-Size: 25128 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [63.128.21.124]) by imf09.hostedemail.com (Postfix) with ESMTP for ; Wed, 7 Oct 2020 01:07:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1602032859; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=IriaecYx7OO0AtHHMf6obSiIrGUgAAlWP3UaNhWyD8k=; b=IJVExWon6oxLqxFTuNoqHgTjzx4HcOaa2S+cL8zPcUfrFW03Dvra5iln/se5b9xp5Z1+Q3 LJy4+9O33D0lbBvQ+X+pWq0L/vJLnCMDvkYn74ISkch1vzJiPqJucZD+8DHD8BQFsJbcZo C0XcTd0WD/atXYOQkzWtvV0cG897duM= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-368-aoI3yRfYMMOsuqfW6u4AQA-1; Tue, 06 Oct 2020 21:07:37 -0400 X-MC-Unique: aoI3yRfYMMOsuqfW6u4AQA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 481C310BBEC4; Wed, 7 Oct 2020 01:07:36 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-119-161.rdu2.redhat.com [10.10.119.161]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3C1B25D9D2; Wed, 7 Oct 2020 01:07:32 +0000 (UTC) From: jglisse@redhat.com To: linux-kernel@vger.kernel.org Cc: =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Andrew Morton , Alexander Viro , Tejun Heo , Jan Kara , Josef Bacik Subject: [PATCH 08/14] mm: add struct address_space to releasepage() callback Date: Tue, 6 Oct 2020 21:05:57 -0400 Message-Id: <20201007010603.3452458-9-jglisse@redhat.com> In-Reply-To: <20201007010603.3452458-1-jglisse@redhat.com> References: <20201007010603.3452458-1-jglisse@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: J=C3=A9r=C3=B4me Glisse This is part of patchset to remove dependency on struct page.mapping field so that we can temporarily update it to point to a special structure tracking temporary page state (note that original mapping pointer is preserved and can still be accessed but at a cost). Add struct address_space to releasepage() callback arguments. Note that this patch does not make use of the new argument, nor does it use a valid one at call site (by default this patch just use NULL for new argument value). Use following script (from root of linux kernel tree): ./that-script.sh that-semantic-patch.spatch %<-------------------------------------------------------------------- #!/bin/sh spatch_file=3D$1 echo PART1 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D # P1 find callback functions name spatch --dir . --no-includes -D part1 --sp-file $spatch_file echo PART2 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D # P2 change callback function prototype cat /tmp/unicorn-functions | sort | uniq | while read func ; do for file in $( git grep -l $func -- '*.[ch]' ) ; do echo $file spatch --no-includes --in-place -D part2 \ -D fn=3D$func --sp-file $spatch_file $file done done echo PART 3 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D # P3 find all function which call the callback spatch --dir . --include-headers -D part3 --sp-file $spatch_file echo PART 4=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D # P4 change all funcitons which call the callback cat /tmp/unicorn-files | sort | uniq | while read file ; do echo $file spatch --no-includes --in-place -D part4 \ --sp-file $spatch_file $file done -------------------------------------------------------------------->% With the following semantic patch: %<-------------------------------------------------------------------- virtual part1, part2, part3, part4 // ----------------------------------------------------------------------= ------ // Part 1 is grepping all function that are use as callback for releasepa= ge. // initialize file where we collect all function name (erase it) @initialize:python depends on part1@ @@ file=3Dopen('/tmp/unicorn-functions', 'w') file.close() // match function name use as a callback @p1r2 depends on part1@ identifier I1, FN; @@ struct address_space_operations I1 =3D {..., .releasepage =3D FN, ...}; @script:python p1r3 depends on p1r2@ funcname << p1r2.FN; @@ if funcname !=3D "NULL": file=3Dopen('/tmp/unicorn-functions', 'a') file.write(funcname + '\n') file.close() // ------------------------------------------------------------------- // Part 2 modify callback // Add address_space argument to the function (releasepage callback one) @p2r1 depends on part2@ identifier virtual.fn; identifier I1, I2; type T1, T2; @@ int fn( +struct address_space *__mapping, T1 I1, T2 I2) { ... } @p2r2 depends on part2@ identifier virtual.fn; identifier I1, I2; type T1, T2; @@ int fn( +struct address_space *__mapping, T1 I1, T2 I2); @p2r3 depends on part2@ identifier virtual.fn; expression E1, E2; @@ fn( +MAPPING_NULL, E1, E2) // ----------------------------------------------------------------------= ------ // Part 3 is grepping all function that are use the callback for releasep= age. // initialize file where we collect all function name (erase it) @initialize:python depends on part3@ @@ file=3Dopen('/tmp/unicorn-files', 'w') file.write("./include/linux/pagemap.h\n") file.write("./include/linux/mm.h\n") file.write("./include/linux/fs.h\n") file.write("./mm/readahead.c\n") file.write("./mm/filemap.c\n") file.close() @p3r1 depends on part3 exists@ expression E1, E2, E3; identifier FN; position P; @@ FN@P(...) {... ( E1.a_ops->releasepage(E2, E3) | E1->a_ops->releasepage(E2, E3) ) ...} @script:python p3r2 depends on p3r1@ P << p3r1.P; @@ file=3Dopen('/tmp/unicorn-files', 'a') file.write(P[0].file + '\n') file.close() // ------------------------------------------------------------------- // Part 4 generic modification @p4r1 depends on part4@ @@ struct address_space_operations { ... int (*releasepage)( +struct address_space *, struct page *, ...); ... }; @p4r2 depends on part4@ expression E1, E2, E3; @@ E1.a_ops->releasepage( +MAPPING_NULL, E2, E3) @p4r3 depends on part4@ expression E1, E2, E3; @@ E1->a_ops->releasepage( +MAPPING_NULL, E2, E3) -------------------------------------------------------------------->% Signed-off-by: J=C3=A9r=C3=B4me Glisse Cc: linux-mm@kvack.org Cc: linux-fsdevel@vger.kernel.org Cc: Andrew Morton Cc: Alexander Viro Cc: linux-fsdevel@vger.kernel.org Cc: Tejun Heo Cc: Jan Kara Cc: Josef Bacik --- fs/9p/vfs_addr.c | 3 ++- fs/afs/dir.c | 6 ++++-- fs/afs/file.c | 6 ++++-- fs/block_dev.c | 3 ++- fs/btrfs/disk-io.c | 5 +++-- fs/btrfs/inode.c | 5 +++-- fs/ceph/addr.c | 3 ++- fs/cifs/file.c | 3 ++- fs/erofs/super.c | 5 +++-- fs/ext4/inode.c | 3 ++- fs/f2fs/data.c | 3 ++- fs/f2fs/f2fs.h | 3 ++- fs/gfs2/aops.c | 3 ++- fs/gfs2/inode.h | 3 ++- fs/hfs/inode.c | 3 ++- fs/hfsplus/inode.c | 3 ++- fs/iomap/buffered-io.c | 3 ++- fs/jfs/jfs_metapage.c | 5 +++-- fs/nfs/file.c | 3 ++- fs/ocfs2/aops.c | 3 ++- fs/orangefs/inode.c | 3 ++- fs/reiserfs/inode.c | 3 ++- fs/ubifs/file.c | 3 ++- include/linux/fs.h | 2 +- include/linux/iomap.h | 3 ++- mm/filemap.c | 3 ++- 26 files changed, 59 insertions(+), 32 deletions(-) diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c index 357f2e5049c48..0ae4f31b3d7f2 100644 --- a/fs/9p/vfs_addr.c +++ b/fs/9p/vfs_addr.c @@ -123,7 +123,8 @@ static int v9fs_vfs_readpages(struct file *filp, stru= ct address_space *mapping, * Returns 1 if the page can be released, false otherwise. */ =20 -static int v9fs_release_page(struct page *page, gfp_t gfp) +static int v9fs_release_page(struct address_space *__mapping, + struct page *page, gfp_t gfp) { if (PagePrivate(page)) return 0; diff --git a/fs/afs/dir.c b/fs/afs/dir.c index d77c13c213d2d..c27524f35281e 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -40,7 +40,8 @@ static int afs_symlink(struct inode *dir, struct dentry= *dentry, static int afs_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry, unsigned int flags); -static int afs_dir_releasepage(struct page *page, gfp_t gfp_flags); +static int afs_dir_releasepage(struct address_space *__mapping, + struct page *page, gfp_t gfp_flags); static void afs_dir_invalidatepage(struct address_space *__mapping, struct page *page, unsigned int offset, unsigned int length); @@ -1971,7 +1972,8 @@ static int afs_rename(struct inode *old_dir, struct= dentry *old_dentry, * Release a directory page and clean up its private state if it's not b= usy * - return true if the page can now be released, false if not */ -static int afs_dir_releasepage(struct page *page, gfp_t gfp_flags) +static int afs_dir_releasepage(struct address_space *__mapping, + struct page *page, gfp_t gfp_flags) { struct afs_vnode *dvnode =3D AFS_FS_I(page->mapping->host); =20 diff --git a/fs/afs/file.c b/fs/afs/file.c index 43edfa65c7ac7..496595240f12b 100644 --- a/fs/afs/file.c +++ b/fs/afs/file.c @@ -22,7 +22,8 @@ static int afs_readpage(struct file *file, struct addre= ss_space *__mapping, static void afs_invalidatepage(struct address_space *__mapping, struct page *page, unsigned int offset, unsigned int length); -static int afs_releasepage(struct page *page, gfp_t gfp_flags); +static int afs_releasepage(struct address_space *__mapping, struct page = *page, + gfp_t gfp_flags); =20 static int afs_readpages(struct file *filp, struct address_space *mappin= g, struct list_head *pages, unsigned nr_pages); @@ -645,7 +646,8 @@ static void afs_invalidatepage(struct address_space *= __mapping, * release a page and clean up its private state if it's not busy * - return true if the page can now be released, false if not */ -static int afs_releasepage(struct page *page, gfp_t gfp_flags) +static int afs_releasepage(struct address_space *__mapping, struct page = *page, + gfp_t gfp_flags) { struct afs_vnode *vnode =3D AFS_FS_I(page->mapping->host); unsigned long priv; diff --git a/fs/block_dev.c b/fs/block_dev.c index b50c93932dfdf..e4cb73598e3c1 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1935,7 +1935,8 @@ EXPORT_SYMBOL_GPL(blkdev_read_iter); * Try to release a page associated with block device when the system * is under memory pressure. */ -static int blkdev_releasepage(struct page *page, gfp_t wait) +static int blkdev_releasepage(struct address_space *__mapping, + struct page *page, gfp_t wait) { struct super_block *super =3D BDEV_I(page->mapping->host)->bdev.bd_supe= r; =20 diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index d57d0a6dd2621..c9d640cfa51cb 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -957,7 +957,8 @@ static int btree_readpage(struct file *file, struct a= ddress_space *__mapping, return extent_read_full_page(page, btree_get_extent, 0); } =20 -static int btree_releasepage(struct page *page, gfp_t gfp_flags) +static int btree_releasepage(struct address_space *__mapping, + struct page *page, gfp_t gfp_flags) { if (PageWriteback(page) || PageDirty(page)) return 0; @@ -972,7 +973,7 @@ static void btree_invalidatepage(struct address_space= *__mapping, struct extent_io_tree *tree; tree =3D &BTRFS_I(page->mapping->host)->io_tree; extent_invalidatepage(tree, page, offset); - btree_releasepage(page, GFP_NOFS); + btree_releasepage(MAPPING_NULL, page, GFP_NOFS); if (PagePrivate(page)) { btrfs_warn(BTRFS_I(page->mapping->host)->root->fs_info, "page private not zero on page %llu", diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 062886fc0e750..95bf86a871ffb 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -8057,7 +8057,8 @@ static int __btrfs_releasepage(struct page *page, g= fp_t gfp_flags) return ret; } =20 -static int btrfs_releasepage(struct page *page, gfp_t gfp_flags) +static int btrfs_releasepage(struct address_space *__mapping, + struct page *page, gfp_t gfp_flags) { if (PageWriteback(page) || PageDirty(page)) return 0; @@ -8116,7 +8117,7 @@ static void btrfs_invalidatepage(struct address_spa= ce *__mapping, =20 tree =3D &BTRFS_I(inode)->io_tree; if (offset) { - btrfs_releasepage(page, GFP_NOFS); + btrfs_releasepage(MAPPING_NULL, page, GFP_NOFS); return; } =20 diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index ed555b0d48bfa..f6739a7b9ad35 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -172,7 +172,8 @@ static void ceph_invalidatepage(struct address_space = *__mapping, ClearPagePrivate(page); } =20 -static int ceph_releasepage(struct page *page, gfp_t g) +static int ceph_releasepage(struct address_space *__mapping, + struct page *page, gfp_t g) { dout("%p releasepage %p idx %lu (%sdirty)\n", page->mapping->host, page, page->index, PageDirty(page) ? "" : "not "); diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 84cb64821036c..38d79a9eafa76 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -4694,7 +4694,8 @@ static int cifs_write_begin(struct file *file, stru= ct address_space *mapping, return rc; } =20 -static int cifs_release_page(struct page *page, gfp_t gfp) +static int cifs_release_page(struct address_space *__mapping, + struct page *page, gfp_t gfp) { if (PagePrivate(page)) return 0; diff --git a/fs/erofs/super.c b/fs/erofs/super.c index 3c0e10d1b4e19..d4082102c180f 100644 --- a/fs/erofs/super.c +++ b/fs/erofs/super.c @@ -281,7 +281,8 @@ static int erofs_fc_parse_param(struct fs_context *fc= , #ifdef CONFIG_EROFS_FS_ZIP static const struct address_space_operations managed_cache_aops; =20 -static int erofs_managed_cache_releasepage(struct page *page, gfp_t gfp_= mask) +static int erofs_managed_cache_releasepage(struct address_space *__mappi= ng, + struct page *page, gfp_t gfp_mask) { int ret =3D 1; /* 0 - busy */ struct address_space *const mapping =3D page->mapping; @@ -308,7 +309,7 @@ static void erofs_managed_cache_invalidatepage(struct= address_space *__mapping, DBG_BUGON(stop > PAGE_SIZE || stop < length); =20 if (offset =3D=3D 0 && stop =3D=3D PAGE_SIZE) - while (!erofs_managed_cache_releasepage(page, GFP_NOFS)) + while (!erofs_managed_cache_releasepage(MAPPING_NULL, page, GFP_NOFS)) cond_resched(); } =20 diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 27b8d57349d88..2fd0c674136cc 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3283,7 +3283,8 @@ static void ext4_journalled_invalidatepage(struct a= ddress_space *__mapping, WARN_ON(__ext4_journalled_invalidatepage(page, offset, length) < 0); } =20 -static int ext4_releasepage(struct page *page, gfp_t wait) +static int ext4_releasepage(struct address_space *__mapping, + struct page *page, gfp_t wait) { journal_t *journal =3D EXT4_JOURNAL(page->mapping->host); =20 diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index b13e430e62435..c6444ffd7d6e9 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -3720,7 +3720,8 @@ void f2fs_invalidate_page(struct address_space *__m= apping, struct page *page, f2fs_clear_page_private(page); } =20 -int f2fs_release_page(struct page *page, gfp_t wait) +int f2fs_release_page(struct address_space *__mapping, struct page *page= , + gfp_t wait) { /* If this is dirty page, keep PagePrivate */ if (PageDirty(page)) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index eb6f9aa4007c6..6bb30d2192842 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -3472,7 +3472,8 @@ int f2fs_write_single_data_page(struct page *page, = int *submitted, void f2fs_invalidate_page(struct address_space *__mapping, struct page *= page, unsigned int offset, unsigned int length); -int f2fs_release_page(struct page *page, gfp_t wait); +int f2fs_release_page(struct address_space *__mapping, struct page *page= , + gfp_t wait); #ifdef CONFIG_MIGRATION int f2fs_migrate_page(struct address_space *mapping, struct page *newpag= e, struct page *page, enum migrate_mode mode); diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index 0c6d2e99a5243..77efc65a412ec 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -723,7 +723,8 @@ static void gfs2_invalidatepage(struct address_space = *__mapping, * Returns: 1 if the page was put or else 0 */ =20 -int gfs2_releasepage(struct page *page, gfp_t gfp_mask) +int gfs2_releasepage(struct address_space *__mapping, struct page *page, + gfp_t gfp_mask) { struct address_space *mapping =3D page->mapping; struct gfs2_sbd *sdp =3D gfs2_mapping2sbd(mapping); diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h index b52ecf4ffe634..f1e878353cebb 100644 --- a/fs/gfs2/inode.h +++ b/fs/gfs2/inode.h @@ -12,7 +12,8 @@ #include #include "util.h" =20 -extern int gfs2_releasepage(struct page *page, gfp_t gfp_mask); +extern int gfs2_releasepage(struct address_space *__mapping, + struct page *page, gfp_t gfp_mask); extern int gfs2_internal_read(struct gfs2_inode *ip, char *buf, loff_t *pos, unsigned size); extern void gfs2_set_aops(struct inode *inode); diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index 101cc5e10524f..8986c8a0a23b2 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -72,7 +72,8 @@ static sector_t hfs_bmap(struct address_space *mapping,= sector_t block) return generic_block_bmap(mapping, block, hfs_get_block); } =20 -static int hfs_releasepage(struct page *page, gfp_t mask) +static int hfs_releasepage(struct address_space *__mapping, struct page = *page, + gfp_t mask) { struct inode *inode =3D page->mapping->host; struct super_block *sb =3D inode->i_sb; diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index 1654ee206e7e5..0534280978457 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -66,7 +66,8 @@ static sector_t hfsplus_bmap(struct address_space *mapp= ing, sector_t block) return generic_block_bmap(mapping, block, hfsplus_get_block); } =20 -static int hfsplus_releasepage(struct page *page, gfp_t mask) +static int hfsplus_releasepage(struct address_space *__mapping, + struct page *page, gfp_t mask) { struct inode *inode =3D page->mapping->host; struct super_block *sb =3D inode->i_sb; diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index b94729b7088a7..091f6656f3d6b 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -476,7 +476,8 @@ iomap_is_partially_uptodate(struct page *page, unsign= ed long from, EXPORT_SYMBOL_GPL(iomap_is_partially_uptodate); =20 int -iomap_releasepage(struct page *page, gfp_t gfp_mask) +iomap_releasepage(struct address_space *__mapping, struct page *page, + gfp_t gfp_mask) { trace_iomap_releasepage(page->mapping->host, page_offset(page), PAGE_SIZE); diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c index 5be751fa11e0b..435b55faca4ff 100644 --- a/fs/jfs/jfs_metapage.c +++ b/fs/jfs/jfs_metapage.c @@ -528,7 +528,8 @@ static int metapage_readpage(struct file *fp, struct = address_space *__mapping, return -EIO; } =20 -static int metapage_releasepage(struct page *page, gfp_t gfp_mask) +static int metapage_releasepage(struct address_space *__mapping, + struct page *page, gfp_t gfp_mask) { struct metapage *mp; int ret =3D 1; @@ -565,7 +566,7 @@ static void metapage_invalidatepage(struct address_sp= ace *__mapping, =20 BUG_ON(PageWriteback(page)); =20 - metapage_releasepage(page, 0); + metapage_releasepage(MAPPING_NULL, page, 0); } =20 const struct address_space_operations jfs_metapage_aops =3D { diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 381288d686386..ddfe95d3da057 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -426,7 +426,8 @@ static void nfs_invalidate_page(struct address_space = *__mapping, * - Caller holds page lock * - Return true (may release page) or false (may not) */ -static int nfs_release_page(struct page *page, gfp_t gfp) +static int nfs_release_page(struct address_space *__mapping, + struct page *page, gfp_t gfp) { dfprintk(PAGECACHE, "NFS: release_page(%p)\n", page); =20 diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index c597a104e0af4..fdd3c6a55d817 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -501,7 +501,8 @@ static sector_t ocfs2_bmap(struct address_space *mapp= ing, sector_t block) return status; } =20 -static int ocfs2_releasepage(struct page *page, gfp_t wait) +static int ocfs2_releasepage(struct address_space *__mapping, + struct page *page, gfp_t wait) { if (!page_has_buffers(page)) return 0; diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c index 6ea0ec45754dc..1534dc2df6e5c 100644 --- a/fs/orangefs/inode.c +++ b/fs/orangefs/inode.c @@ -520,7 +520,8 @@ static void orangefs_invalidatepage(struct address_sp= ace *__mapping, orangefs_launder_page(page); } =20 -static int orangefs_releasepage(struct page *page, gfp_t foo) +static int orangefs_releasepage(struct address_space *__mapping, + struct page *page, gfp_t foo) { return !PagePrivate(page); } diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index d35c03a7d3f5b..efd149cc897a9 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -3230,7 +3230,8 @@ static int reiserfs_set_page_dirty(struct address_s= pace *__mapping, * even in -o notail mode, we can't be sure an old mount without -o nota= il * didn't create files with tails. */ -static int reiserfs_releasepage(struct page *page, gfp_t unused_gfp_flag= s) +static int reiserfs_releasepage(struct address_space *__mapping, + struct page *page, gfp_t unused_gfp_flags) { struct inode *inode =3D page->mapping->host; struct reiserfs_journal *j =3D SB_JOURNAL(inode->i_sb); diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index 11ed42c4859f0..7e00370ca3ed1 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -1486,7 +1486,8 @@ static int ubifs_migrate_page(struct address_space = *mapping, } #endif =20 -static int ubifs_releasepage(struct page *page, gfp_t unused_gfp_flags) +static int ubifs_releasepage(struct address_space *__mapping, + struct page *page, gfp_t unused_gfp_flags) { struct inode *inode =3D page->mapping->host; struct ubifs_info *c =3D inode->i_sb->s_fs_info; diff --git a/include/linux/fs.h b/include/linux/fs.h index b471e82546001..989e505de9182 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -399,7 +399,7 @@ struct address_space_operations { sector_t (*bmap)(struct address_space *, sector_t); void (*invalidatepage) (struct address_space *, struct page *, unsigned int, unsigned int); - int (*releasepage) (struct page *, gfp_t); + int (*releasepage) (struct address_space *, struct page *, gfp_t); void (*freepage)(struct page *); ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *iter); /* diff --git a/include/linux/iomap.h b/include/linux/iomap.h index 45f23d2268365..cb4b207974756 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -159,7 +159,8 @@ void iomap_readahead(struct readahead_control *, cons= t struct iomap_ops *ops); int iomap_set_page_dirty(struct address_space *__mapping, struct page *p= age); int iomap_is_partially_uptodate(struct page *page, unsigned long from, unsigned long count); -int iomap_releasepage(struct page *page, gfp_t gfp_mask); +int iomap_releasepage(struct address_space *__mapping, struct page *page= , + gfp_t gfp_mask); void iomap_invalidatepage(struct address_space *__mapping, struct page *= page, unsigned int offset, unsigned int len); diff --git a/mm/filemap.c b/mm/filemap.c index b67a253e5e6c7..eccd5d0554851 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -3694,7 +3694,8 @@ int try_to_release_page(struct page *page, gfp_t gf= p_mask) return 0; =20 if (mapping && mapping->a_ops->releasepage) - return mapping->a_ops->releasepage(page, gfp_mask); + return mapping->a_ops->releasepage(MAPPING_NULL, page, + gfp_mask); return try_to_free_buffers(page); } =20 --=20 2.26.2