87 	struct inode *dir = mapping->host;  in ext2_commit_chunk()  local
89 	inode_inc_iversion(dir);  in ext2_commit_chunk()
92 	if (pos+len > dir->i_size) {  in ext2_commit_chunk()
93 		i_size_write(dir, pos+len);  in ext2_commit_chunk()
94 		mark_inode_dirty(dir);  in ext2_commit_chunk()
101 	struct inode *dir = page->mapping->host;  in ext2_check_page()  local
102 	struct super_block *sb = dir->i_sb;  in ext2_check_page()
103 	unsigned chunk_size = ext2_chunk_size(dir);  in ext2_check_page()
110 	if ((dir->i_size >> PAGE_SHIFT) == page->index) {  in ext2_check_page()
111 		limit = dir->i_size & ~PAGE_MASK;  in ext2_check_page()
144 			"of chunk size", dir->i_ino);  in ext2_check_page()
164 			dir->i_ino, error, (page->index<<PAGE_SHIFT)+offs,  in ext2_check_page()
174 			dir->i_ino, (page->index<<PAGE_SHIFT)+offs,  in ext2_check_page()
189 static void *ext2_get_page(struct inode *dir, unsigned long n,  in ext2_get_page()  argument
192 	struct address_space *mapping = dir->i_mapping;  in ext2_get_page()
341 struct ext2_dir_entry_2 *ext2_find_entry (struct inode *dir,  in ext2_find_entry()  argument
348 	unsigned long npages = dir_pages(dir);  in ext2_find_entry()
350 	struct ext2_inode_info *ei = EXT2_I(dir);  in ext2_find_entry()
364 		char *kaddr = ext2_get_page(dir, n, 0, &page);  in ext2_find_entry()
369 		kaddr += ext2_last_byte(dir, n) - reclen;  in ext2_find_entry()
372 				ext2_error(dir->i_sb, __func__,  in ext2_find_entry()
386 		if (unlikely(n > (dir->i_blocks >> (PAGE_SHIFT - 9)))) {  in ext2_find_entry()
387 			ext2_error(dir->i_sb, __func__,  in ext2_find_entry()
389 				dir->i_ino, dir->i_size,  in ext2_find_entry()
390 				(unsigned long long)dir->i_blocks);  in ext2_find_entry()
415 struct ext2_dir_entry_2 *ext2_dotdot(struct inode *dir, struct page **p)  in ext2_dotdot()  argument
417 	ext2_dirent *de = ext2_get_page(dir, 0, 0, p);  in ext2_dotdot()
424 int ext2_inode_by_name(struct inode *dir, const struct qstr *child, ino_t *ino)  in ext2_inode_by_name()  argument
429 	de = ext2_find_entry(dir, child, &page);  in ext2_inode_by_name()
444 static int ext2_handle_dirsync(struct inode *dir)  in ext2_handle_dirsync()  argument
448 	err = filemap_write_and_wait(dir->i_mapping);  in ext2_handle_dirsync()
450 		err = sync_inode_metadata(dir, 1);  in ext2_handle_dirsync()
454 int ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de,  in ext2_set_link()  argument
471 		dir->i_mtime = inode_set_ctime_current(dir);  in ext2_set_link()
472 	EXT2_I(dir)->i_flags &= ~EXT2_BTREE_FL;  in ext2_set_link()
473 	mark_inode_dirty(dir);  in ext2_set_link()
474 	return ext2_handle_dirsync(dir);  in ext2_set_link()
482 	struct inode *dir = d_inode(dentry->d_parent);  in ext2_add_link()  local
485 	unsigned chunk_size = ext2_chunk_size(dir);  in ext2_add_link()
490 	unsigned long npages = dir_pages(dir);  in ext2_add_link()
501 		char *kaddr = ext2_get_page(dir, n, 0, &page);  in ext2_add_link()
507 		dir_end = kaddr + ext2_last_byte(dir, n);  in ext2_add_link()
520 				ext2_error(dir->i_sb, __func__,  in ext2_add_link()
558 	dir->i_mtime = inode_set_ctime_current(dir);  in ext2_add_link()
559 	EXT2_I(dir)->i_flags &= ~EXT2_BTREE_FL;  in ext2_add_link()
560 	mark_inode_dirty(dir);  in ext2_add_link()
561 	err = ext2_handle_dirsync(dir);  in ext2_add_link()
575 int ext2_delete_entry(struct ext2_dir_entry_2 *dir, struct page *page)  in ext2_delete_entry()  argument
578 	char *kaddr = (char *)((unsigned long)dir & PAGE_MASK);  in ext2_delete_entry()
579 	unsigned from = offset_in_page(dir) & ~(ext2_chunk_size(inode)-1);  in ext2_delete_entry()
580 	unsigned to = offset_in_page(dir) +  in ext2_delete_entry()
581 				ext2_rec_len_from_disk(dir->rec_len);  in ext2_delete_entry()
587 	while ((char*)de < (char*)dir) {  in ext2_delete_entry()
607 	dir->inode = 0;  in ext2_delete_entry()