Changes page->mapping handlingi in SYSVFS.

Signed-off-by: KAMEZAWA Hiroyuki <[EMAIL PROTECTED]>

---
 fs/sysv/dir.c |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

Index: test-2.6.23-rc4-mm1/fs/sysv/dir.c
===================================================================
--- test-2.6.23-rc4-mm1.orig/fs/sysv/dir.c
+++ test-2.6.23-rc4-mm1/fs/sysv/dir.c
@@ -40,7 +40,7 @@ static inline unsigned long dir_pages(st
 
 static int dir_commit_chunk(struct page *page, loff_t pos, unsigned len)
 {
-       struct address_space *mapping = page->mapping;
+       struct address_space *mapping = page_mapping_cache(page);
        struct inode *dir = mapping->host;
        int err = 0;
 
@@ -221,7 +221,8 @@ got_it:
        pos = page_offset(page) +
                        (char*)de - (char*)page_address(page);
        lock_page(page);
-       err = __sysv_write_begin(NULL, page->mapping, pos, SYSV_DIRSIZE,
+       err = __sysv_write_begin(NULL, page_mapping_cache(page),
+                               pos, SYSV_DIRSIZE,
                                AOP_FLAG_UNINTERRUPTIBLE, &page, NULL);
        if (err)
                goto out_unlock;
@@ -242,7 +243,7 @@ out_unlock:
 
 int sysv_delete_entry(struct sysv_dir_entry *de, struct page *page)
 {
-       struct address_space *mapping = page->mapping;
+       struct address_space *mapping = page_mapping_cache(page);
        struct inode *inode = (struct inode*)mapping->host;
        char *kaddr = (char*)page_address(page);
        loff_t pos = page_offset(page) + (char *)de - kaddr;
@@ -344,7 +345,7 @@ not_empty:
 void sysv_set_link(struct sysv_dir_entry *de, struct page *page,
        struct inode *inode)
 {
-       struct address_space *mapping = page->mapping;
+       struct address_space *mapping = page_mapping_cache(page);
        struct inode *dir = mapping->host;
        loff_t pos = page_offset(page) +
                        (char *)de-(char*)page_address(page);


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