62 static inline unsigned ext2_chunk_size(struct inode *inode)  in ext2_chunk_size()  argument
64 	return inode->i_sb->s_blocksize;  in ext2_chunk_size()
73 static inline unsigned long dir_pages(struct inode *inode)  in dir_pages()  argument
75 	return (inode->i_size+PAGE_CACHE_SIZE-1)>>PAGE_CACHE_SHIFT;  in dir_pages()
83 ext2_last_byte(struct inode *inode, unsigned long page_nr)  in ext2_last_byte()  argument
85 	unsigned last_byte = inode->i_size;  in ext2_last_byte()
96 	struct inode *dir = mapping->host;  in ext2_commit_chunk()
120 	struct inode *dir = page->mapping->host;  in ext2_check_page()
149 		if (unlikely(le32_to_cpu(p->inode) > max_inumber))  in ext2_check_page()
185 			(unsigned long) le32_to_cpu(p->inode),  in ext2_check_page()
195 			(unsigned long) le32_to_cpu(p->inode));  in ext2_check_page()
202 static struct page * ext2_get_page(struct inode *dir, unsigned long n,  in ext2_get_page()
231 	if (!de->inode)  in ext2_match()
280 static inline void ext2_set_de_type(ext2_dirent *de, struct inode *inode)  in ext2_set_de_type()  argument
282 	umode_t mode = inode->i_mode;  in ext2_set_de_type()
283 	if (EXT2_HAS_INCOMPAT_FEATURE(inode->i_sb, EXT2_FEATURE_INCOMPAT_FILETYPE))  in ext2_set_de_type()
293 	struct inode *inode = file_inode(file);  in ext2_readdir()  local
294 	struct super_block *sb = inode->i_sb;  in ext2_readdir()
297 	unsigned long npages = dir_pages(inode);  in ext2_readdir()
298 	unsigned chunk_mask = ~(ext2_chunk_size(inode)-1);  in ext2_readdir()
300 	int need_revalidate = file->f_version != inode->i_version;  in ext2_readdir()
302 	if (pos > inode->i_size - EXT2_DIR_REC_LEN(1))  in ext2_readdir()
311 		struct page *page = ext2_get_page(inode, n, 0);  in ext2_readdir()
316 				   inode->i_ino);  in ext2_readdir()
326 			file->f_version = inode->i_version;  in ext2_readdir()
330 		limit = kaddr + ext2_last_byte(inode, n) - EXT2_DIR_REC_LEN(1);  in ext2_readdir()
338 			if (de->inode) {  in ext2_readdir()
345 						le32_to_cpu(de->inode),  in ext2_readdir()
366 struct ext2_dir_entry_2 *ext2_find_entry (struct inode * dir,  in ext2_find_entry()
431 struct ext2_dir_entry_2 * ext2_dotdot (struct inode *dir, struct page **p)  in ext2_dotdot()
443 ino_t ext2_inode_by_name(struct inode *dir, struct qstr *child)  in ext2_inode_by_name()
451 		res = le32_to_cpu(de->inode);  in ext2_inode_by_name()
463 void ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de,  in ext2_set_link()
464 		   struct page *page, struct inode *inode, int update_times)  in ext2_set_link()  argument
474 	de->inode = cpu_to_le32(inode->i_ino);  in ext2_set_link()
475 	ext2_set_de_type(de, inode);  in ext2_set_link()
487 int ext2_add_link (struct dentry *dentry, struct inode *inode)  in ext2_add_link()  argument
489 	struct inode *dir = d_inode(dentry->d_parent);  in ext2_add_link()
526 				de->inode = 0;  in ext2_add_link()
540 			if (!de->inode && rec_len >= reclen)  in ext2_add_link()
558 	if (de->inode) {  in ext2_add_link()
566 	de->inode = cpu_to_le32(inode->i_ino);  in ext2_add_link()
567 	ext2_set_de_type (de, inode);  in ext2_add_link()
588 	struct inode *inode = page->mapping->host;  in ext2_delete_entry()  local
590 	unsigned from = ((char*)dir - kaddr) & ~(ext2_chunk_size(inode)-1);  in ext2_delete_entry()
600 			ext2_error(inode->i_sb, __func__,  in ext2_delete_entry()
616 	dir->inode = 0;  in ext2_delete_entry()
618 	inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC;  in ext2_delete_entry()
619 	EXT2_I(inode)->i_flags &= ~EXT2_BTREE_FL;  in ext2_delete_entry()
620 	mark_inode_dirty(inode);  in ext2_delete_entry()
629 int ext2_make_empty(struct inode *inode, struct inode *parent)  in ext2_make_empty()  argument
631 	struct page *page = grab_cache_page(inode->i_mapping, 0);  in ext2_make_empty()
632 	unsigned chunk_size = ext2_chunk_size(inode);  in ext2_make_empty()
651 	de->inode = cpu_to_le32(inode->i_ino);  in ext2_make_empty()
652 	ext2_set_de_type (de, inode);  in ext2_make_empty()
657 	de->inode = cpu_to_le32(parent->i_ino);  in ext2_make_empty()
659 	ext2_set_de_type (de, inode);  in ext2_make_empty()
670 int ext2_empty_dir (struct inode * inode)  in ext2_empty_dir()  argument
673 	unsigned long i, npages = dir_pages(inode);  in ext2_empty_dir()
679 		page = ext2_get_page(inode, i, dir_has_error);  in ext2_empty_dir()
688 		kaddr += ext2_last_byte(inode, i) - EXT2_DIR_REC_LEN(1);  in ext2_empty_dir()
692 				ext2_error(inode->i_sb, __func__,  in ext2_empty_dir()
697 			if (de->inode != 0) {  in ext2_empty_dir()
704 					if (de->inode !=  in ext2_empty_dir()
705 					    cpu_to_le32(inode->i_ino))  in ext2_empty_dir()