279 void initialize_dirent_tail(struct ext4_dir_entry_tail *t,  in initialize_dirent_tail()  argument
282 	memset(t, 0, sizeof(struct ext4_dir_entry_tail));  in initialize_dirent_tail()
283 	t->det_rec_len = ext4_rec_len_to_disk(  in initialize_dirent_tail()
285 	t->det_reserved_ft = EXT4_FT_DIR_CSUM;  in initialize_dirent_tail()
292 	struct ext4_dir_entry_tail *t;  in get_dirent_tail()  local
308 	t = (struct ext4_dir_entry_tail *)d;  in get_dirent_tail()
310 	t = EXT4_DIRENT_TAIL(de, EXT4_BLOCK_SIZE(inode->i_sb));  in get_dirent_tail()
313 	if (t->det_reserved_zero1 ||  in get_dirent_tail()
314 	    le16_to_cpu(t->det_rec_len) != sizeof(struct ext4_dir_entry_tail) ||  in get_dirent_tail()
315 	    t->det_reserved_zero2 ||  in get_dirent_tail()
316 	    t->det_reserved_ft != EXT4_FT_DIR_CSUM)  in get_dirent_tail()
319 	return t;  in get_dirent_tail()
345 	struct ext4_dir_entry_tail *t;  in ext4_dirent_csum_verify()  local
350 	t = get_dirent_tail(inode, dirent);  in ext4_dirent_csum_verify()
351 	if (!t) {  in ext4_dirent_csum_verify()
356 	if (t->det_checksum != ext4_dirent_csum(inode, dirent,  in ext4_dirent_csum_verify()
357 						(void *)t - (void *)dirent))  in ext4_dirent_csum_verify()
366 	struct ext4_dir_entry_tail *t;  in ext4_dirent_csum_set()  local
371 	t = get_dirent_tail(inode, dirent);  in ext4_dirent_csum_set()
372 	if (!t) {  in ext4_dirent_csum_set()
377 	t->det_checksum = ext4_dirent_csum(inode, dirent,  in ext4_dirent_csum_set()
378 					   (void *)t - (void *)dirent);  in ext4_dirent_csum_set()
418 			   int count_offset, int count, struct dx_tail *t)  in ext4_dx_csum()  argument
429 	csum = ext4_chksum(sbi, csum, (__u8 *)t, offset);  in ext4_dx_csum()
439 	struct dx_tail *t;  in ext4_dx_csum_verify()  local
457 	t = (struct dx_tail *)(((struct dx_entry *)c) + limit);  in ext4_dx_csum_verify()
459 	if (t->dt_checksum != ext4_dx_csum(inode, dirent, count_offset,  in ext4_dx_csum_verify()
460 					    count, t))  in ext4_dx_csum_verify()
468 	struct dx_tail *t;  in ext4_dx_csum_set()  local
486 	t = (struct dx_tail *)(((struct dx_entry *)c) + limit);  in ext4_dx_csum_set()
488 	t->dt_checksum = ext4_dx_csum(inode, dirent, count_offset, count, t);  in ext4_dx_csum_set()
1695 	struct ext4_dir_entry_tail *t;  in do_split()  local
1756 		t = EXT4_DIRENT_TAIL(data2, blocksize);  in do_split()
1757 		initialize_dirent_tail(t, blocksize);  in do_split()
1759 		t = EXT4_DIRENT_TAIL(data1, blocksize);  in do_split()
1760 		initialize_dirent_tail(t, blocksize);  in do_split()
1921 	struct ext4_dir_entry_tail *t;  in make_indexed_dir()  local
1974 		t = EXT4_DIRENT_TAIL(data1, blocksize);  in make_indexed_dir()
1975 		initialize_dirent_tail(t, blocksize);  in make_indexed_dir()
2046 	struct ext4_dir_entry_tail *t;  in ext4_add_entry()  local
2118 		t = EXT4_DIRENT_TAIL(bh->b_data, blocksize);  in ext4_add_entry()
2119 		initialize_dirent_tail(t, blocksize);  in ext4_add_entry()
2546 	struct ext4_dir_entry_tail *t;  in ext4_init_new_dir()  local
2571 		t = EXT4_DIRENT_TAIL(dir_block->b_data, blocksize);  in ext4_init_new_dir()
2572 		initialize_dirent_tail(t, blocksize);  in ext4_init_new_dir()