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 758F7C4363D for ; Wed, 7 Oct 2020 01:07:39 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id CB29020760 for ; Wed, 7 Oct 2020 01:07:38 +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="WQaRrIAi" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CB29020760 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 687046B0071; Tue, 6 Oct 2020 21:07:38 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6379F6B0072; Tue, 6 Oct 2020 21:07:38 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4DA326B0073; Tue, 6 Oct 2020 21:07:38 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 130B06B0071 for ; Tue, 6 Oct 2020 21:07:38 -0400 (EDT) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 84571362A for ; Wed, 7 Oct 2020 01:07:37 +0000 (UTC) X-FDA: 77343341754.03.pest96_3a0e488271cb Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin03.hostedemail.com (Postfix) with ESMTP id 3799528A4E8 for ; Wed, 7 Oct 2020 01:07:37 +0000 (UTC) X-HE-Tag: pest96_3a0e488271cb X-Filterd-Recvd-Size: 30282 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by imf17.hostedemail.com (Postfix) with ESMTP for ; Wed, 7 Oct 2020 01:07:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1602032855; 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=7N2mjBwp8HLhjDivzCXg+PKFLbZWVE6k56VjjRdZtmo=; b=WQaRrIAikef4SOAUljwXv/rKS6bCmTYdig3QpJtDlGNRXkf6rVbUhsh7huDAM9lfL6jpnH S/4bBE+iOHcCLLSQ7DgrVrm7ypuJQQx6qeC+NMYjWwuv7cS0GhwN8p0XmBFIVrEQtaMjUK HAPZH852nA45vOhANanvnM0S2THpSNs= 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-231-yeGEYydnMLCukqEiYdasag-1; Tue, 06 Oct 2020 21:07:33 -0400 X-MC-Unique: yeGEYydnMLCukqEiYdasag-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 1547F10BBEC4; Wed, 7 Oct 2020 01:07:32 +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 A2FBB5D9D2; Wed, 7 Oct 2020 01:07:28 +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 07/14] mm: add struct address_space to invalidatepage() callback Date: Tue, 6 Oct 2020 21:05:56 -0400 Message-Id: <20201007010603.3452458-8-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 invalidatepage() 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 invalidat= epage. // 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 {..., .invalidatepage =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 (invalidatepage callback on= e) @p2r1 depends on part2@ identifier virtual.fn; identifier I1, I2, I3; type T1, T2, T3; @@ void fn( +struct address_space *__mapping, T1 I1, T2 I2, T3 I3) { ... } @p2r2 depends on part2@ identifier virtual.fn; identifier I1, I2, I3; type T1, T2, T3; @@ void fn( +struct address_space *__mapping, T1 I1, T2 I2, T3 I3); @p2r3 depends on part2@ identifier virtual.fn; expression E1, E2, E3; @@ fn( +MAPPING_NULL, E1, E2, E3) // ----------------------------------------------------------------------= ------ // Part 3 is grepping all function that are use the callback for invalida= tepage. // 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/truncate.c\n") file.write("./mm/filemap.c\n") file.close() @p3r1 depends on part3 exists@ expression E1, E2, E3, E4; identifier FN; position P; @@ FN@P(...) {... ( E1.a_ops->invalidatepage(E2, E3, E4) | E1->a_ops->invalidatepage(E2, E3, E4) ) ...} @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 { ... void (*invalidatepage)( +struct address_space *, struct page *, ...); ... }; @p4r2 depends on part4@ expression E1, E2, E3, E4; @@ E1.a_ops->invalidatepage( +MAPPING_NULL, E2, E3, E4) @p4r3 depends on part4@ expression E1, E2, E3, E4; @@ E1->a_ops->invalidatepage( +MAPPING_NULL, E2, E3, E4) @p4r4 depends on part4 exists@ identifier I1, FN; expression E1; @@ FN (...) {... void (*I1)(struct page *, unsigned int, unsigned int); ... I1 =3D E1->a_ops->invalidatepage; ...} @p4r5 depends on p4r4 exists@ expression E1, E2, E3; identifier I1, p4r4.FN; @@ FN(...) {... void (*I1)( +struct address_space *, struct page *, unsigned int, unsigned int); ... (*I1)( +MAPPING_NULL, E1, E2, E3); ...} @p4r6 depends on part4@ expression E1, E2, E3; @@ {... -void (*invalidatepage)(struct page *, unsigned int, unsigned int); +void (*invalidatepage)(struct address_space *, struct page *, unsigned i= nt, unsigned int); ... (*invalidatepage)( +MAPPING_NULL, E1, 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/btrfs/disk-io.c | 3 ++- fs/btrfs/extent_io.c | 3 ++- fs/btrfs/inode.c | 3 ++- fs/buffer.c | 3 ++- fs/ceph/addr.c | 12 ++++++++---- fs/cifs/file.c | 3 ++- fs/erofs/super.c | 3 ++- fs/ext4/inode.c | 17 +++++++++++------ fs/f2fs/data.c | 3 ++- fs/f2fs/f2fs.h | 5 +++-- fs/gfs2/aops.c | 6 ++++-- fs/iomap/buffered-io.c | 3 ++- fs/jfs/jfs_metapage.c | 3 ++- fs/libfs.c | 5 +++-- fs/nfs/file.c | 3 ++- fs/ntfs/aops.c | 2 +- fs/orangefs/inode.c | 7 ++++--- fs/reiserfs/inode.c | 3 ++- fs/ubifs/file.c | 3 ++- fs/xfs/xfs_aops.c | 2 +- include/linux/buffer_head.h | 3 ++- include/linux/fs.h | 8 +++++--- include/linux/iomap.h | 5 +++-- mm/truncate.c | 5 +++-- 27 files changed, 82 insertions(+), 46 deletions(-) diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c index c7a8037df9fcf..357f2e5049c48 100644 --- a/fs/9p/vfs_addr.c +++ b/fs/9p/vfs_addr.c @@ -137,7 +137,8 @@ static int v9fs_release_page(struct page *page, gfp_t= gfp) * @offset: offset in the page */ =20 -static void v9fs_invalidate_page(struct page *page, unsigned int offset, +static void v9fs_invalidate_page(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length) { /* diff --git a/fs/afs/dir.c b/fs/afs/dir.c index ebcf074bcaaa2..d77c13c213d2d 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -41,7 +41,8 @@ static int afs_rename(struct inode *old_dir, struct den= try *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 void afs_dir_invalidatepage(struct page *page, unsigned int offse= t, +static void afs_dir_invalidatepage(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length); =20 static int afs_dir_set_page_dirty(struct address_space *__mapping, @@ -1990,7 +1991,8 @@ static int afs_dir_releasepage(struct page *page, g= fp_t gfp_flags) * - release a page and clean up its private data if offset is 0 (indica= ting * the entire page) */ -static void afs_dir_invalidatepage(struct page *page, unsigned int offse= t, +static void afs_dir_invalidatepage(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length) { struct afs_vnode *dvnode =3D AFS_FS_I(page->mapping->host); diff --git a/fs/afs/file.c b/fs/afs/file.c index 908f9e3196251..43edfa65c7ac7 100644 --- a/fs/afs/file.c +++ b/fs/afs/file.c @@ -19,7 +19,8 @@ static int afs_file_mmap(struct file *file, struct vm_area_struct *vma); static int afs_readpage(struct file *file, struct address_space *__mappi= ng, struct page *page); -static void afs_invalidatepage(struct page *page, unsigned int offset, +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); =20 @@ -607,7 +608,8 @@ static int afs_readpages(struct file *file, struct ad= dress_space *mapping, * - release a page and clean up its private data if offset is 0 (indica= ting * the entire page) */ -static void afs_invalidatepage(struct page *page, unsigned int offset, +static void afs_invalidatepage(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length) { struct afs_vnode *vnode =3D AFS_FS_I(page->mapping->host); diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 7f548f9f5ace1..d57d0a6dd2621 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -965,7 +965,8 @@ static int btree_releasepage(struct page *page, gfp_t= gfp_flags) return try_release_extent_buffer(page); } =20 -static void btree_invalidatepage(struct page *page, unsigned int offset, +static void btree_invalidatepage(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length) { struct extent_io_tree *tree; diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 02569dffe8e14..9877f1222b318 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -3632,7 +3632,8 @@ static int __extent_writepage(struct page *page, st= ruct writeback_control *wbc, pg_offset =3D offset_in_page(i_size); if (page->index > end_index || (page->index =3D=3D end_index && !pg_offset)) { - page->mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE); + page->mapping->a_ops->invalidatepage(MAPPING_NULL, page, 0, + PAGE_SIZE); unlock_page(page); return 0; } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 9f35648ba06d8..062886fc0e750 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -8091,7 +8091,8 @@ static int btrfs_migratepage(struct address_space *= mapping, } #endif =20 -static void btrfs_invalidatepage(struct page *page, unsigned int offset, +static void btrfs_invalidatepage(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length) { struct inode *inode =3D page->mapping->host; diff --git a/fs/buffer.c b/fs/buffer.c index 6fb6cf497feb8..1f0f72b76fc2a 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1499,7 +1499,8 @@ static void discard_buffer(struct buffer_head * bh) * point. Because the caller is about to free (and possibly reuse) thos= e * blocks on-disk. */ -void block_invalidatepage(struct page *page, unsigned int offset, +void block_invalidatepage(struct address_space *__mapping, struct page *= page, + unsigned int offset, unsigned int length) { struct buffer_head *head, *bh, *next; diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index b2b2c8f8118e4..ed555b0d48bfa 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -140,7 +140,8 @@ static int ceph_set_page_dirty(struct address_space *= __mapping, * dirty page counters appropriately. Only called if there is private * data on the page. */ -static void ceph_invalidatepage(struct page *page, unsigned int offset, +static void ceph_invalidatepage(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length) { struct inode *inode; @@ -708,7 +709,8 @@ static int writepage_nounlock(struct page *page, stru= ct writeback_control *wbc) /* is this a partial page at end of file? */ if (page_off >=3D ceph_wbc.i_size) { dout("%p page eof %llu\n", page, ceph_wbc.i_size); - page->mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE); + page->mapping->a_ops->invalidatepage(MAPPING_NULL, page, 0, + PAGE_SIZE); return 0; } =20 @@ -1004,8 +1006,10 @@ static int ceph_writepages_start(struct address_sp= ace *mapping, if ((ceph_wbc.size_stable || page_offset(page) >=3D i_size_read(inode)) && clear_page_dirty_for_io(page)) - mapping->a_ops->invalidatepage(page, - 0, PAGE_SIZE); + mapping->a_ops->invalidatepage(MAPPING_NULL, + page, + 0, + PAGE_SIZE); unlock_page(page); continue; } diff --git a/fs/cifs/file.c b/fs/cifs/file.c index ca7df2a2dde0f..84cb64821036c 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -4702,7 +4702,8 @@ static int cifs_release_page(struct page *page, gfp= _t gfp) return cifs_fscache_release_page(page, gfp); } =20 -static void cifs_invalidate_page(struct page *page, unsigned int offset, +static void cifs_invalidate_page(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length) { struct cifsInodeInfo *cifsi =3D CIFS_I(page->mapping->host); diff --git a/fs/erofs/super.c b/fs/erofs/super.c index ddaa516c008af..3c0e10d1b4e19 100644 --- a/fs/erofs/super.c +++ b/fs/erofs/super.c @@ -295,7 +295,8 @@ static int erofs_managed_cache_releasepage(struct pag= e *page, gfp_t gfp_mask) return ret; } =20 -static void erofs_managed_cache_invalidatepage(struct page *page, +static void erofs_managed_cache_invalidatepage(struct address_space *__m= apping, + struct page *page, unsigned int offset, unsigned int length) { diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 528eec0b02bf2..27b8d57349d88 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -135,7 +135,8 @@ static inline int ext4_begin_ordered_truncate(struct = inode *inode, new_size); } =20 -static void ext4_invalidatepage(struct page *page, unsigned int offset, +static void ext4_invalidatepage(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length); static int __ext4_journalled_writepage(struct page *page, unsigned int l= en); static int ext4_bh_delay_or_unwritten(handle_t *handle, struct buffer_he= ad *bh); @@ -1572,7 +1573,8 @@ static void mpage_release_unused_pages(struct mpage= _da_data *mpd, if (invalidate) { if (page_mapped(page)) clear_page_dirty_for_io(page); - block_invalidatepage(page, 0, PAGE_SIZE); + block_invalidatepage(MAPPING_NULL, page, 0, + PAGE_SIZE); ClearPageUptodate(page); } unlock_page(page); @@ -1981,7 +1983,8 @@ static int ext4_writepage(struct address_space *__m= apping, struct page *page, bool keep_towrite =3D false; =20 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) { - inode->i_mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE); + inode->i_mapping->a_ops->invalidatepage(MAPPING_NULL, page, 0, + PAGE_SIZE); unlock_page(page); return -EIO; } @@ -3242,7 +3245,8 @@ static void ext4_readahead(struct readahead_control= *rac) ext4_mpage_readpages(inode, rac, NULL); } =20 -static void ext4_invalidatepage(struct page *page, unsigned int offset, +static void ext4_invalidatepage(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length) { trace_ext4_invalidatepage(page, offset, length); @@ -3250,7 +3254,7 @@ static void ext4_invalidatepage(struct page *page, = unsigned int offset, /* No journalling happens on data buffers when this function is used */ WARN_ON(page_has_buffers(page) && buffer_jbd(page_buffers(page))); =20 - block_invalidatepage(page, offset, length); + block_invalidatepage(MAPPING_NULL, page, offset, length); } =20 static int __ext4_journalled_invalidatepage(struct page *page, @@ -3271,7 +3275,8 @@ static int __ext4_journalled_invalidatepage(struct = page *page, } =20 /* Wrapper for aops... */ -static void ext4_journalled_invalidatepage(struct page *page, +static void ext4_journalled_invalidatepage(struct address_space *__mappi= ng, + struct page *page, unsigned int offset, unsigned int length) { diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 12350175133aa..b13e430e62435 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -3690,7 +3690,8 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, s= truct iov_iter *iter) return err; } =20 -void f2fs_invalidate_page(struct page *page, unsigned int offset, +void f2fs_invalidate_page(struct address_space *__mapping, struct page *= page, + unsigned int offset, unsigned int length) { struct inode *inode =3D page->mapping->host; diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index d9e52a7f3702f..eb6f9aa4007c6 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -3469,8 +3469,9 @@ int f2fs_write_single_data_page(struct page *page, = int *submitted, struct writeback_control *wbc, enum iostat_type io_type, int compr_blocks); -void f2fs_invalidate_page(struct page *page, unsigned int offset, - unsigned int length); +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); #ifdef CONFIG_MIGRATION int f2fs_migrate_page(struct address_space *mapping, struct page *newpag= e, diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index 8911771f95c5c..0c6d2e99a5243 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -103,7 +103,8 @@ static int gfs2_writepage(struct address_space *__map= ping, struct page *page, /* Is the page fully outside i_size? (truncate in progress) */ offset =3D i_size & (PAGE_SIZE-1); if (page->index > end_index || (page->index =3D=3D end_index && !offset= )) { - page->mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE); + page->mapping->a_ops->invalidatepage(MAPPING_NULL, page, 0, + PAGE_SIZE); goto out; } =20 @@ -680,7 +681,8 @@ static void gfs2_discard(struct gfs2_sbd *sdp, struct= buffer_head *bh) unlock_buffer(bh); } =20 -static void gfs2_invalidatepage(struct page *page, unsigned int offset, +static void gfs2_invalidatepage(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length) { struct gfs2_sbd *sdp =3D GFS2_SB(page->mapping->host); diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 26f7fe7c80adc..b94729b7088a7 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -494,7 +494,8 @@ iomap_releasepage(struct page *page, gfp_t gfp_mask) EXPORT_SYMBOL_GPL(iomap_releasepage); =20 void -iomap_invalidatepage(struct page *page, unsigned int offset, unsigned in= t len) +iomap_invalidatepage(struct address_space *__mapping, struct page *page, + unsigned int offset, unsigned int len) { trace_iomap_invalidatepage(page->mapping->host, offset, len); =20 diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c index a6e48e733d3a6..5be751fa11e0b 100644 --- a/fs/jfs/jfs_metapage.c +++ b/fs/jfs/jfs_metapage.c @@ -557,7 +557,8 @@ static int metapage_releasepage(struct page *page, gf= p_t gfp_mask) return ret; } =20 -static void metapage_invalidatepage(struct page *page, unsigned int offs= et, +static void metapage_invalidatepage(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length) { BUG_ON(offset || length < PAGE_SIZE); diff --git a/fs/libfs.c b/fs/libfs.c index 899feec2eb683..f4b6db18e62b5 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -1172,8 +1172,9 @@ int noop_set_page_dirty(struct address_space *__map= ping, struct page *page) } EXPORT_SYMBOL_GPL(noop_set_page_dirty); =20 -void noop_invalidatepage(struct page *page, unsigned int offset, - unsigned int length) +void noop_invalidatepage(struct address_space *__mapping, struct page *p= age, + unsigned int offset, + unsigned int length) { /* * There is no page cache to invalidate in the dax case, however diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 02e2112d77f86..381288d686386 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -405,7 +405,8 @@ static int nfs_write_end(struct file *file, struct ad= dress_space *mapping, * - Called if either PG_private or PG_fscache is set on the page * - Caller holds page lock */ -static void nfs_invalidate_page(struct page *page, unsigned int offset, +static void nfs_invalidate_page(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length) { dfprintk(PAGECACHE, "NFS: invalidate_page(%p, %u, %u)\n", diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c index 3d3a6b6bc6717..a9fe68e4c89b5 100644 --- a/fs/ntfs/aops.c +++ b/fs/ntfs/aops.c @@ -1356,7 +1356,7 @@ static int ntfs_writepage(struct address_space *__m= apping, struct page *page, * The page may have dirty, unmapped buffers. Make them * freeable here, so the page does not leak. */ - block_invalidatepage(page, 0, PAGE_SIZE); + block_invalidatepage(MAPPING_NULL, page, 0, PAGE_SIZE); unlock_page(page); ntfs_debug("Write outside i_size - truncated?"); return 0; diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c index f463cfb435292..6ea0ec45754dc 100644 --- a/fs/orangefs/inode.c +++ b/fs/orangefs/inode.c @@ -448,9 +448,10 @@ static int orangefs_write_end(struct file *file, str= uct address_space *mapping, return copied; } =20 -static void orangefs_invalidatepage(struct page *page, - unsigned int offset, - unsigned int length) +static void orangefs_invalidatepage(struct address_space *__mapping, + struct page *page, + unsigned int offset, + unsigned int length) { struct orangefs_write_range *wr; wr =3D (struct orangefs_write_range *)page_private(page); diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 9ef4365c07fdd..d35c03a7d3f5b 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -3156,7 +3156,8 @@ static int invalidatepage_can_drop(struct inode *in= ode, struct buffer_head *bh) } =20 /* clm -- taken from fs/buffer.c:block_invalidate_page */ -static void reiserfs_invalidatepage(struct page *page, unsigned int offs= et, +static void reiserfs_invalidatepage(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length) { struct buffer_head *head, *bh, *next; diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index 5af8c311d38f0..11ed42c4859f0 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -1288,7 +1288,8 @@ int ubifs_setattr(struct dentry *dentry, struct iat= tr *attr) return err; } =20 -static void ubifs_invalidatepage(struct page *page, unsigned int offset, +static void ubifs_invalidatepage(struct address_space *__mapping, + struct page *page, unsigned int offset, unsigned int length) { struct inode *inode =3D page->mapping->host; diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 6827f6226499a..24cd33c5f3466 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -548,7 +548,7 @@ xfs_discard_page( if (error && !XFS_FORCED_SHUTDOWN(mp)) xfs_alert(mp, "page discard unable to remove delalloc mapping."); out_invalidate: - iomap_invalidatepage(page, 0, PAGE_SIZE); + iomap_invalidatepage(MAPPING_NULL, page, 0, PAGE_SIZE); } =20 static const struct iomap_writeback_ops xfs_writeback_ops =3D { diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 07fe6d613ed9f..0902142e93f0d 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -214,7 +214,8 @@ extern int buffer_heads_over_limit; * Generic address_space_operations implementations for buffer_head-back= ed * address_spaces. */ -void block_invalidatepage(struct page *page, unsigned int offset, +void block_invalidatepage(struct address_space *__mapping, struct page *= page, + unsigned int offset, unsigned int length); int block_write_full_page(struct page *page, get_block_t *get_block, struct writeback_control *wbc); diff --git a/include/linux/fs.h b/include/linux/fs.h index 0b1e2c231dcf8..b471e82546001 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -397,7 +397,8 @@ struct address_space_operations { =20 /* Unfortunately this kludge is needed for FIBMAP. Don't use it */ sector_t (*bmap)(struct address_space *, sector_t); - void (*invalidatepage) (struct page *, unsigned int, unsigned int); + void (*invalidatepage) (struct address_space *, struct page *, + unsigned int, unsigned int); int (*releasepage) (struct page *, gfp_t); void (*freepage)(struct page *); ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *iter); @@ -3225,8 +3226,9 @@ extern void simple_recursive_removal(struct dentry = *, extern int noop_fsync(struct file *, loff_t, loff_t, int); extern int noop_set_page_dirty(struct address_space *__mapping, struct page *page); -extern void noop_invalidatepage(struct page *page, unsigned int offset, - unsigned int length); +extern void noop_invalidatepage(struct address_space *__mapping, + struct page *page, unsigned int offset, + unsigned int length); extern ssize_t noop_direct_IO(struct kiocb *iocb, struct iov_iter *iter)= ; extern int simple_empty(struct dentry *); extern int simple_readpage(struct file *file, struct address_space *__ma= pping, diff --git a/include/linux/iomap.h b/include/linux/iomap.h index 781f22ee0a53b..45f23d2268365 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -160,8 +160,9 @@ int iomap_set_page_dirty(struct address_space *__mapp= ing, struct page *page); int iomap_is_partially_uptodate(struct page *page, unsigned long from, unsigned long count); int iomap_releasepage(struct page *page, gfp_t gfp_mask); -void iomap_invalidatepage(struct page *page, unsigned int offset, - unsigned int len); +void iomap_invalidatepage(struct address_space *__mapping, struct page *= page, + unsigned int offset, + unsigned int len); #ifdef CONFIG_MIGRATION int iomap_migrate_page(struct address_space *mapping, struct page *newpa= ge, struct page *page, enum migrate_mode mode); diff --git a/mm/truncate.c b/mm/truncate.c index dd9ebc1da3566..e26b232b66c01 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -152,7 +152,8 @@ static int invalidate_exceptional_entry2(struct addre= ss_space *mapping, void do_invalidatepage(struct page *page, unsigned int offset, unsigned int length) { - void (*invalidatepage)(struct page *, unsigned int, unsigned int); + void (*invalidatepage)(struct address_space *, struct page *, + unsigned int, unsigned int); =20 invalidatepage =3D page->mapping->a_ops->invalidatepage; #ifdef CONFIG_BLOCK @@ -160,7 +161,7 @@ void do_invalidatepage(struct page *page, unsigned in= t offset, invalidatepage =3D block_invalidatepage; #endif if (invalidatepage) - (*invalidatepage)(page, offset, length); + (*invalidatepage)(MAPPING_NULL, page, offset, length); } =20 /* --=20 2.26.2