| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20070910190607.cb233242.kamezawa.hiroyu@jp.fujitsu.com>
Date: Mon, 10 Sep 2007 19:06:07 +0900
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc: swhiteho@...hat.com, LKML <linux-kernel@...r.kernel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
"nickpiggin@...oo.com.au" <nickpiggin@...oo.com.au>,
"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: [PATCH] add page->mapping handling interface [16/35] changes in
GFS2
Changes page->mapping handling in GFS2
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
---
fs/gfs2/log.c | 4 ++--
fs/gfs2/lops.c | 2 +-
fs/gfs2/meta_io.c | 2 +-
fs/gfs2/ops_address.c | 16 ++++++++--------
4 files changed, 12 insertions(+), 12 deletions(-)
Index: test-2.6.23-rc4-mm1/fs/gfs2/log.c
===================================================================
--- test-2.6.23-rc4-mm1.orig/fs/gfs2/log.c
+++ test-2.6.23-rc4-mm1/fs/gfs2/log.c
@@ -229,8 +229,8 @@ static void gfs2_ail2_empty_one(struct g
list_del(&bd->bd_ail_st_list);
list_del(&bd->bd_ail_gl_list);
atomic_dec(&bd->bd_gl->gl_ail_count);
- if (bd->bd_bh->b_page->mapping) {
- bh_ip = GFS2_I(bd->bd_bh->b_page->mapping->host);
+ if (page_is_pagecache(bd->bd_bh->b_page)) {
+ bh_ip = GFS2_I(page_inode(bd->bd_bh->b_page));
gfs2_meta_cache_flush(bh_ip);
}
brelse(bd->bd_bh);
Index: test-2.6.23-rc4-mm1/fs/gfs2/lops.c
===================================================================
--- test-2.6.23-rc4-mm1.orig/fs/gfs2/lops.c
+++ test-2.6.23-rc4-mm1/fs/gfs2/lops.c
@@ -473,7 +473,7 @@ static void databuf_lo_add(struct gfs2_s
{
struct gfs2_bufdata *bd = container_of(le, struct gfs2_bufdata, bd_le);
struct gfs2_trans *tr = current->journal_info;
- struct address_space *mapping = bd->bd_bh->b_page->mapping;
+ struct address_space *mapping = page_mapping_cache(bd->bd_bh->b_page);
struct gfs2_inode *ip = GFS2_I(mapping->host);
gfs2_log_lock(sdp);
Index: test-2.6.23-rc4-mm1/fs/gfs2/meta_io.c
===================================================================
--- test-2.6.23-rc4-mm1.orig/fs/gfs2/meta_io.c
+++ test-2.6.23-rc4-mm1/fs/gfs2/meta_io.c
@@ -388,7 +388,7 @@ void gfs2_meta_wipe(struct gfs2_inode *i
if (test_clear_buffer_pinned(bh)) {
struct gfs2_trans *tr = current->journal_info;
struct gfs2_inode *bh_ip =
- GFS2_I(bh->b_page->mapping->host);
+ GFS2_I(page_inode(bh->b_page));
gfs2_log_lock(sdp);
list_del_init(&bd->bd_le.le_list);
Index: test-2.6.23-rc4-mm1/fs/gfs2/ops_address.c
===================================================================
--- test-2.6.23-rc4-mm1.orig/fs/gfs2/ops_address.c
+++ test-2.6.23-rc4-mm1/fs/gfs2/ops_address.c
@@ -114,7 +114,7 @@ static int gfs2_get_block_direct(struct
static int gfs2_writepage(struct page *page, struct writeback_control *wbc)
{
- struct inode *inode = page->mapping->host;
+ struct inode *inode = page_inode(page);
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
loff_t i_size = i_size_read(inode);
@@ -133,7 +133,7 @@ static int gfs2_writepage(struct page *p
/* Is the page fully outside i_size? (truncate in progress) */
offset = i_size & (PAGE_CACHE_SIZE-1);
if (page->index > end_index || (page->index == end_index && !offset)) {
- page->mapping->a_ops->invalidatepage(page, 0);
+ page_mapping_cache(page)->a_ops->invalidatepage(page, 0);
unlock_page(page);
return 0; /* don't care */
}
@@ -241,8 +241,8 @@ static int stuffed_readpage(struct gfs2_
static int gfs2_readpage(struct file *file, struct page *page)
{
- struct gfs2_inode *ip = GFS2_I(page->mapping->host);
- struct gfs2_sbd *sdp = GFS2_SB(page->mapping->host);
+ struct gfs2_inode *ip = GFS2_I(page_inode(page));
+ struct gfs2_sbd *sdp = GFS2_SB(page_inode(page));
struct gfs2_file *gf = NULL;
struct gfs2_holder gh;
int error;
@@ -560,7 +560,7 @@ static int gfs2_write_end(struct file *f
loff_t pos, unsigned len, unsigned copied,
struct page *page, void *fsdata)
{
- struct inode *inode = page->mapping->host;
+ struct inode *inode = page_inode(page);
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct buffer_head *dibh;
@@ -624,8 +624,8 @@ failed:
static int gfs2_set_page_dirty(struct page *page)
{
- struct gfs2_inode *ip = GFS2_I(page->mapping->host);
- struct gfs2_sbd *sdp = GFS2_SB(page->mapping->host);
+ struct gfs2_inode *ip = GFS2_I(page_inode(page));
+ struct gfs2_sbd *sdp = GFS2_SB(page_inode(page));
if (sdp->sd_args.ar_data == GFS2_DATA_ORDERED || gfs2_is_jdata(ip))
SetPageChecked(page);
@@ -746,7 +746,7 @@ out:
int gfs2_releasepage(struct page *page, gfp_t gfp_mask)
{
- struct inode *aspace = page->mapping->host;
+ struct inode *aspace = page_inode(page);
struct gfs2_sbd *sdp = aspace->i_sb->s_fs_info;
struct buffer_head *bh, *head;
struct gfs2_bufdata *bd;
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists