64 static inline unsigned ext2_chunk_size(struct inode *inode)  in ext2_chunk_size()  argument
66 	return inode->i_sb->s_blocksize;  in ext2_chunk_size()
74 ext2_last_byte(struct inode *inode, unsigned long page_nr)  in ext2_last_byte()  argument
76 	unsigned last_byte = inode->i_size;  in ext2_last_byte()
87 	struct inode *dir = mapping->host;  in ext2_commit_chunk()
101 	struct inode *dir = page->mapping->host;  in ext2_check_page()
129 		if (unlikely(le32_to_cpu(p->inode) > max_inumber))  in ext2_check_page()
165 			(unsigned long) le32_to_cpu(p->inode),  in ext2_check_page()
175 			(unsigned long) le32_to_cpu(p->inode));  in ext2_check_page()
189 static void *ext2_get_page(struct inode *dir, unsigned long n,  in ext2_get_page()
221 	if (!de->inode)  in ext2_match()
248 static inline void ext2_set_de_type(ext2_dirent *de, struct inode *inode)  in ext2_set_de_type()  argument
250 	if (EXT2_HAS_INCOMPAT_FEATURE(inode->i_sb, EXT2_FEATURE_INCOMPAT_FILETYPE))  in ext2_set_de_type()
251 		de->file_type = fs_umode_to_ftype(inode->i_mode);  in ext2_set_de_type()
260 	struct inode *inode = file_inode(file);  in ext2_readdir()  local
261 	struct super_block *sb = inode->i_sb;  in ext2_readdir()
264 	unsigned long npages = dir_pages(inode);  in ext2_readdir()
265 	unsigned chunk_mask = ~(ext2_chunk_size(inode)-1);  in ext2_readdir()
266 	bool need_revalidate = !inode_eq_iversion(inode, file->f_version);  in ext2_readdir()
269 	if (pos > inode->i_size - EXT2_DIR_REC_LEN(1))  in ext2_readdir()
278 		char *kaddr = ext2_get_page(inode, n, 0, &page);  in ext2_readdir()
284 				   inode->i_ino);  in ext2_readdir()
293 			file->f_version = inode_query_iversion(inode);  in ext2_readdir()
297 		limit = kaddr + ext2_last_byte(inode, n) - EXT2_DIR_REC_LEN(1);  in ext2_readdir()
305 			if (de->inode) {  in ext2_readdir()
312 						le32_to_cpu(de->inode),  in ext2_readdir()
341 struct ext2_dir_entry_2 *ext2_find_entry (struct inode *dir,  in ext2_find_entry()
415 struct ext2_dir_entry_2 *ext2_dotdot(struct inode *dir, struct page **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()
433 	*ino = le32_to_cpu(de->inode);  in ext2_inode_by_name()
444 static int ext2_handle_dirsync(struct inode *dir)  in ext2_handle_dirsync()
454 int ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de,  in ext2_set_link()
455 		struct page *page, struct inode *inode, bool update_times)  in ext2_set_link()  argument
467 	de->inode = cpu_to_le32(inode->i_ino);  in ext2_set_link()
468 	ext2_set_de_type(de, inode);  in ext2_set_link()
480 int ext2_add_link (struct dentry *dentry, struct inode *inode)  in ext2_add_link()  argument
482 	struct inode *dir = d_inode(dentry->d_parent);  in ext2_add_link()
516 				de->inode = 0;  in ext2_add_link()
530 			if (!de->inode && rec_len >= reclen)  in ext2_add_link()
547 	if (de->inode) {  in ext2_add_link()
555 	de->inode = cpu_to_le32(inode->i_ino);  in ext2_add_link()
556 	ext2_set_de_type (de, inode);  in ext2_add_link()
577 	struct inode *inode = page->mapping->host;  in ext2_delete_entry()  local
579 	unsigned from = offset_in_page(dir) & ~(ext2_chunk_size(inode)-1);  in ext2_delete_entry()
589 			ext2_error(inode->i_sb, __func__,  in ext2_delete_entry()
607 	dir->inode = 0;  in ext2_delete_entry()
609 	inode->i_mtime = inode_set_ctime_current(inode);  in ext2_delete_entry()
610 	EXT2_I(inode)->i_flags &= ~EXT2_BTREE_FL;  in ext2_delete_entry()
611 	mark_inode_dirty(inode);  in ext2_delete_entry()
612 	return ext2_handle_dirsync(inode);  in ext2_delete_entry()
618 int ext2_make_empty(struct inode *inode, struct inode *parent)  in ext2_make_empty()  argument
620 	struct page *page = grab_cache_page(inode->i_mapping, 0);  in ext2_make_empty()
621 	unsigned chunk_size = ext2_chunk_size(inode);  in ext2_make_empty()
640 	de->inode = cpu_to_le32(inode->i_ino);  in ext2_make_empty()
641 	ext2_set_de_type (de, inode);  in ext2_make_empty()
646 	de->inode = cpu_to_le32(parent->i_ino);  in ext2_make_empty()
648 	ext2_set_de_type (de, inode);  in ext2_make_empty()
651 	err = ext2_handle_dirsync(inode);  in ext2_make_empty()
660 int ext2_empty_dir (struct inode * inode)  in ext2_empty_dir()  argument
664 	unsigned long i, npages = dir_pages(inode);  in ext2_empty_dir()
669 		kaddr = ext2_get_page(inode, i, 0, &page);  in ext2_empty_dir()
674 		kaddr += ext2_last_byte(inode, i) - EXT2_DIR_REC_LEN(1);  in ext2_empty_dir()
678 				ext2_error(inode->i_sb, __func__,  in ext2_empty_dir()
683 			if (de->inode != 0) {  in ext2_empty_dir()
690 					if (de->inode !=  in ext2_empty_dir()
691 					    cpu_to_le32(inode->i_ino))  in ext2_empty_dir()