334 	struct ext4_dir_entry_tail *t = EXT4_DIRENT_TAIL(bh->b_data, blocksize);  in ext4_initialize_dirent_tail()  local
336 	memset(t, 0, sizeof(struct ext4_dir_entry_tail));  in ext4_initialize_dirent_tail()
337 	t->det_rec_len = ext4_rec_len_to_disk(  in ext4_initialize_dirent_tail()
339 	t->det_reserved_ft = EXT4_FT_DIR_CSUM;  in ext4_initialize_dirent_tail()
346 	struct ext4_dir_entry_tail *t;  in get_dirent_tail()  local
362 	t = (struct ext4_dir_entry_tail *)d;  in get_dirent_tail()
364 	t = EXT4_DIRENT_TAIL(bh->b_data, EXT4_BLOCK_SIZE(inode->i_sb));  in get_dirent_tail()
367 	if (t->det_reserved_zero1 ||  in get_dirent_tail()
368 	    (ext4_rec_len_from_disk(t->det_rec_len, blocksize) !=  in get_dirent_tail()
370 	    t->det_reserved_zero2 ||  in get_dirent_tail()
371 	    t->det_reserved_ft != EXT4_FT_DIR_CSUM)  in get_dirent_tail()
374 	return t;  in get_dirent_tail()
399 	struct ext4_dir_entry_tail *t;  in ext4_dirblock_csum_verify()  local
404 	t = get_dirent_tail(inode, bh);  in ext4_dirblock_csum_verify()
405 	if (!t) {  in ext4_dirblock_csum_verify()
410 	if (t->det_checksum != ext4_dirblock_csum(inode, bh->b_data,  in ext4_dirblock_csum_verify()
411 						  (char *)t - bh->b_data))  in ext4_dirblock_csum_verify()
420 	struct ext4_dir_entry_tail *t;  in ext4_dirblock_csum_set()  local
425 	t = get_dirent_tail(inode, bh);  in ext4_dirblock_csum_set()
426 	if (!t) {  in ext4_dirblock_csum_set()
431 	t->det_checksum = ext4_dirblock_csum(inode, bh->b_data,  in ext4_dirblock_csum_set()
432 					     (char *)t - bh->b_data);  in ext4_dirblock_csum_set()
473 			   int count_offset, int count, struct dx_tail *t)  in ext4_dx_csum()  argument
484 	csum = ext4_chksum(sbi, csum, (__u8 *)t, offset);  in ext4_dx_csum()
494 	struct dx_tail *t;  in ext4_dx_csum_verify()  local
512 	t = (struct dx_tail *)(((struct dx_entry *)c) + limit);  in ext4_dx_csum_verify()
514 	if (t->dt_checksum != ext4_dx_csum(inode, dirent, count_offset,  in ext4_dx_csum_verify()
515 					    count, t))  in ext4_dx_csum_verify()
523 	struct dx_tail *t;  in ext4_dx_csum_set()  local
541 	t = (struct dx_tail *)(((struct dx_entry *)c) + limit);  in ext4_dx_csum_set()
543 	t->dt_checksum = ext4_dx_csum(inode, dirent, count_offset, count, t);  in ext4_dx_csum_set()