176 		struct ext4_extent *ex;  in ext4_ext_find_goal()  local
195 		ex = path[depth].p_ext;  in ext4_ext_find_goal()
196 		if (ex) {  in ext4_ext_find_goal()
197 			ext4_fsblk_t ext_pblk = ext4_ext_pblock(ex);  in ext4_ext_find_goal()
198 			ext4_lblk_t ext_block = le32_to_cpu(ex->ee_block);  in ext4_ext_find_goal()
222 			struct ext4_extent *ex, int *err, unsigned int flags)  in ext4_ext_new_meta_block()  argument
226 	goal = ext4_ext_find_goal(inode, path, le32_to_cpu(ex->ee_block));  in ext4_ext_new_meta_block()
531 		struct ext4_extent *ex = EXT_FIRST_EXTENT(eh);  in __read_extent_tree_block()  local
535 		for (i = le16_to_cpu(eh->eh_entries); i > 0; i--, ex++) {  in __read_extent_tree_block()
537 			ext4_lblk_t lblk = le32_to_cpu(ex->ee_block);  in __read_extent_tree_block()
538 			int len = ext4_ext_get_actual_len(ex);  in __read_extent_tree_block()
545 			if (ext4_ext_is_unwritten(ex))  in __read_extent_tree_block()
548 					     ext4_ext_pblock(ex), status);  in __read_extent_tree_block()
654 	struct ext4_extent *ex;  in ext4_ext_show_leaf()  local
661 	ex = EXT_FIRST_EXTENT(eh);  in ext4_ext_show_leaf()
665 	for (i = 0; i < le16_to_cpu(eh->eh_entries); i++, ex++) {  in ext4_ext_show_leaf()
666 		ext_debug("%d:[%d]%d:%llu ", le32_to_cpu(ex->ee_block),  in ext4_ext_show_leaf()
667 			  ext4_ext_is_unwritten(ex),  in ext4_ext_show_leaf()
668 			  ext4_ext_get_actual_len(ex), ext4_ext_pblock(ex));  in ext4_ext_show_leaf()
677 	struct ext4_extent *ex;  in ext4_ext_show_move()  local
693 	ex = path[depth].p_ext;  in ext4_ext_show_move()
694 	while (ex <= EXT_MAX_EXTENT(path[depth].p_hdr)) {  in ext4_ext_show_move()
696 				le32_to_cpu(ex->ee_block),  in ext4_ext_show_move()
697 				ext4_ext_pblock(ex),  in ext4_ext_show_move()
698 				ext4_ext_is_unwritten(ex),  in ext4_ext_show_move()
699 				ext4_ext_get_actual_len(ex),  in ext4_ext_show_move()
701 		ex++;  in ext4_ext_show_move()
830 		struct ext4_extent *chex, *ex;  in ext4_ext_binsearch()  local
833 		chex = ex = EXT_FIRST_EXTENT(eh);  in ext4_ext_binsearch()
834 		for (k = 0; k < le16_to_cpu(eh->eh_entries); k++, ex++) {  in ext4_ext_binsearch()
835 			BUG_ON(k && le32_to_cpu(ex->ee_block)  in ext4_ext_binsearch()
836 					  <= le32_to_cpu(ex[-1].ee_block));  in ext4_ext_binsearch()
837 			if (block < le32_to_cpu(ex->ee_block))  in ext4_ext_binsearch()
839 			chex = ex;  in ext4_ext_binsearch()
1123 		struct ext4_extent *ex;  in ext4_ext_split()  local
1124 		ex = EXT_FIRST_EXTENT(neh);  in ext4_ext_split()
1125 		memmove(ex, path[depth].p_ext, sizeof(struct ext4_extent) * m);  in ext4_ext_split()
1424 	struct ext4_extent *ex;  in ext4_ext_search_left()  local
1441 	ex = path[depth].p_ext;  in ext4_ext_search_left()
1442 	ee_len = ext4_ext_get_actual_len(ex);  in ext4_ext_search_left()
1443 	if (*logical < le32_to_cpu(ex->ee_block)) {  in ext4_ext_search_left()
1444 		if (unlikely(EXT_FIRST_EXTENT(path[depth].p_hdr) != ex)) {  in ext4_ext_search_left()
1447 					 *logical, le32_to_cpu(ex->ee_block));  in ext4_ext_search_left()
1465 	if (unlikely(*logical < (le32_to_cpu(ex->ee_block) + ee_len))) {  in ext4_ext_search_left()
1468 				 *logical, le32_to_cpu(ex->ee_block), ee_len);  in ext4_ext_search_left()
1472 	*logical = le32_to_cpu(ex->ee_block) + ee_len - 1;  in ext4_ext_search_left()
1473 	*phys = ext4_ext_pblock(ex) + ee_len - 1;  in ext4_ext_search_left()
1492 	struct ext4_extent *ex;  in ext4_ext_search_right()  local
1511 	ex = path[depth].p_ext;  in ext4_ext_search_right()
1512 	ee_len = ext4_ext_get_actual_len(ex);  in ext4_ext_search_right()
1513 	if (*logical < le32_to_cpu(ex->ee_block)) {  in ext4_ext_search_right()
1514 		if (unlikely(EXT_FIRST_EXTENT(path[depth].p_hdr) != ex)) {  in ext4_ext_search_right()
1532 	if (unlikely(*logical < (le32_to_cpu(ex->ee_block) + ee_len))) {  in ext4_ext_search_right()
1535 				 *logical, le32_to_cpu(ex->ee_block), ee_len);  in ext4_ext_search_right()
1539 	if (ex != EXT_LAST_EXTENT(path[depth].p_hdr)) {  in ext4_ext_search_right()
1541 		ex++;  in ext4_ext_search_right()
1577 	ex = EXT_FIRST_EXTENT(eh);  in ext4_ext_search_right()
1579 	*logical = le32_to_cpu(ex->ee_block);  in ext4_ext_search_right()
1580 	*phys = ext4_ext_pblock(ex);  in ext4_ext_search_right()
1581 	*ret_ex = ex;  in ext4_ext_search_right()
1664 	struct ext4_extent *ex;  in ext4_ext_correct_indexes()  local
1669 	ex = path[depth].p_ext;  in ext4_ext_correct_indexes()
1671 	if (unlikely(ex == NULL || eh == NULL)) {  in ext4_ext_correct_indexes()
1673 				 "ex %p == NULL or eh %p == NULL", ex, eh);  in ext4_ext_correct_indexes()
1682 	if (ex != EXT_FIRST_EXTENT(eh)) {  in ext4_ext_correct_indexes()
1769 				 struct ext4_extent *ex)  in ext4_ext_try_to_merge_right()  argument
1779 	while (ex < EXT_LAST_EXTENT(eh)) {  in ext4_ext_try_to_merge_right()
1780 		if (!ext4_can_extents_be_merged(inode, ex, ex + 1))  in ext4_ext_try_to_merge_right()
1783 		unwritten = ext4_ext_is_unwritten(ex);  in ext4_ext_try_to_merge_right()
1784 		ex->ee_len = cpu_to_le16(ext4_ext_get_actual_len(ex)  in ext4_ext_try_to_merge_right()
1785 				+ ext4_ext_get_actual_len(ex + 1));  in ext4_ext_try_to_merge_right()
1787 			ext4_ext_mark_unwritten(ex);  in ext4_ext_try_to_merge_right()
1789 		if (ex + 1 < EXT_LAST_EXTENT(eh)) {  in ext4_ext_try_to_merge_right()
1790 			len = (EXT_LAST_EXTENT(eh) - ex - 1)  in ext4_ext_try_to_merge_right()
1792 			memmove(ex + 1, ex + 2, len);  in ext4_ext_try_to_merge_right()
1856 				  struct ext4_extent *ex) {  in ext4_ext_try_to_merge()  argument
1865 	if (ex > EXT_FIRST_EXTENT(eh))  in ext4_ext_try_to_merge()
1866 		merge_done = ext4_ext_try_to_merge_right(inode, path, ex - 1);  in ext4_ext_try_to_merge()
1869 		(void) ext4_ext_try_to_merge_right(inode, path, ex);  in ext4_ext_try_to_merge()
1937 	struct ext4_extent *ex, *fex;  in ext4_ext_insert_extent()  local
1951 	ex = path[depth].p_ext;  in ext4_ext_insert_extent()
1959 	if (ex && !(gb_flags & EXT4_GET_BLOCKS_PRE_IO)) {  in ext4_ext_insert_extent()
1968 		if (ex < EXT_LAST_EXTENT(eh) &&  in ext4_ext_insert_extent()
1969 		    (le32_to_cpu(ex->ee_block) +  in ext4_ext_insert_extent()
1970 		    ext4_ext_get_actual_len(ex) <  in ext4_ext_insert_extent()
1972 			ex += 1;  in ext4_ext_insert_extent()
1974 		} else if ((ex > EXT_FIRST_EXTENT(eh)) &&  in ext4_ext_insert_extent()
1977 			   le32_to_cpu(ex->ee_block)))  in ext4_ext_insert_extent()
1978 			ex -= 1;  in ext4_ext_insert_extent()
1981 		if (ext4_can_extents_be_merged(inode, ex, newext)) {  in ext4_ext_insert_extent()
1986 				  le32_to_cpu(ex->ee_block),  in ext4_ext_insert_extent()
1987 				  ext4_ext_is_unwritten(ex),  in ext4_ext_insert_extent()
1988 				  ext4_ext_get_actual_len(ex),  in ext4_ext_insert_extent()
1989 				  ext4_ext_pblock(ex));  in ext4_ext_insert_extent()
1994 			unwritten = ext4_ext_is_unwritten(ex);  in ext4_ext_insert_extent()
1995 			ex->ee_len = cpu_to_le16(ext4_ext_get_actual_len(ex)  in ext4_ext_insert_extent()
1998 				ext4_ext_mark_unwritten(ex);  in ext4_ext_insert_extent()
2000 			nearex = ex;  in ext4_ext_insert_extent()
2006 		if (ext4_can_extents_be_merged(inode, newext, ex)) {  in ext4_ext_insert_extent()
2012 				  le32_to_cpu(ex->ee_block),  in ext4_ext_insert_extent()
2013 				  ext4_ext_is_unwritten(ex),  in ext4_ext_insert_extent()
2014 				  ext4_ext_get_actual_len(ex),  in ext4_ext_insert_extent()
2015 				  ext4_ext_pblock(ex));  in ext4_ext_insert_extent()
2021 			unwritten = ext4_ext_is_unwritten(ex);  in ext4_ext_insert_extent()
2022 			ex->ee_block = newext->ee_block;  in ext4_ext_insert_extent()
2023 			ext4_ext_store_pblock(ex, ext4_ext_pblock(newext));  in ext4_ext_insert_extent()
2024 			ex->ee_len = cpu_to_le16(ext4_ext_get_actual_len(ex)  in ext4_ext_insert_extent()
2027 				ext4_ext_mark_unwritten(ex);  in ext4_ext_insert_extent()
2029 			nearex = ex;  in ext4_ext_insert_extent()
2157 	struct ext4_extent *ex;  in ext4_fill_fiemap_extents()  local
2185 		ex = path[depth].p_ext;  in ext4_fill_fiemap_extents()
2190 		if (!ex) {  in ext4_fill_fiemap_extents()
2195 		} else if (le32_to_cpu(ex->ee_block) > block) {  in ext4_fill_fiemap_extents()
2198 			end = le32_to_cpu(ex->ee_block);  in ext4_fill_fiemap_extents()
2201 		} else if (block >= le32_to_cpu(ex->ee_block)  in ext4_fill_fiemap_extents()
2202 					+ ext4_ext_get_actual_len(ex)) {  in ext4_fill_fiemap_extents()
2208 		} else if (block >= le32_to_cpu(ex->ee_block)) {  in ext4_fill_fiemap_extents()
2214 			end = le32_to_cpu(ex->ee_block)  in ext4_fill_fiemap_extents()
2215 				+ ext4_ext_get_actual_len(ex);  in ext4_fill_fiemap_extents()
2229 			es.es_lblk = le32_to_cpu(ex->ee_block);  in ext4_fill_fiemap_extents()
2230 			es.es_len = ext4_ext_get_actual_len(ex);  in ext4_fill_fiemap_extents()
2231 			es.es_pblk = ext4_ext_pblock(ex);  in ext4_fill_fiemap_extents()
2232 			if (ext4_ext_is_unwritten(ex))  in ext4_fill_fiemap_extents()
2319 	struct ext4_extent *ex;  in ext4_ext_determine_hole()  local
2322 	ex = path[depth].p_ext;  in ext4_ext_determine_hole()
2323 	if (ex == NULL) {  in ext4_ext_determine_hole()
2327 	} else if (*lblk < le32_to_cpu(ex->ee_block)) {  in ext4_ext_determine_hole()
2328 		len = le32_to_cpu(ex->ee_block) - *lblk;  in ext4_ext_determine_hole()
2329 	} else if (*lblk >= le32_to_cpu(ex->ee_block)  in ext4_ext_determine_hole()
2330 			+ ext4_ext_get_actual_len(ex)) {  in ext4_ext_determine_hole()
2333 		*lblk = le32_to_cpu(ex->ee_block) + ext4_ext_get_actual_len(ex);  in ext4_ext_determine_hole()
2494 			      struct ext4_extent *ex,  in ext4_remove_blocks()  argument
2499 	unsigned short ee_len = ext4_ext_get_actual_len(ex);  in ext4_remove_blocks()
2512 	trace_ext4_remove_blocks(inode, ex, from, to, *partial_cluster);  in ext4_remove_blocks()
2518 	pblk = ext4_ext_pblock(ex) + ee_len - 1;  in ext4_remove_blocks()
2542 	if (from >= le32_to_cpu(ex->ee_block)  in ext4_remove_blocks()
2543 	    && to == le32_to_cpu(ex->ee_block) + ee_len - 1) {  in ext4_remove_blocks()
2548 		num = le32_to_cpu(ex->ee_block) + ee_len - from;  in ext4_remove_blocks()
2549 		pblk = ext4_ext_pblock(ex) + ee_len - num;  in ext4_remove_blocks()
2588 			   from, to, le32_to_cpu(ex->ee_block), ee_len);  in ext4_remove_blocks()
2623 	struct ext4_extent *ex;  in ext4_ext_rm_leaf()  local
2636 	ex = path[depth].p_ext;  in ext4_ext_rm_leaf()
2637 	if (!ex)  in ext4_ext_rm_leaf()
2638 		ex = EXT_LAST_EXTENT(eh);  in ext4_ext_rm_leaf()
2640 	ex_ee_block = le32_to_cpu(ex->ee_block);  in ext4_ext_rm_leaf()
2641 	ex_ee_len = ext4_ext_get_actual_len(ex);  in ext4_ext_rm_leaf()
2643 	trace_ext4_ext_rm_leaf(inode, start, ex, *partial_cluster);  in ext4_ext_rm_leaf()
2645 	while (ex >= EXT_FIRST_EXTENT(eh) &&  in ext4_ext_rm_leaf()
2648 		if (ext4_ext_is_unwritten(ex))  in ext4_ext_rm_leaf()
2655 		path[depth].p_ext = ex;  in ext4_ext_rm_leaf()
2673 				pblk = ext4_ext_pblock(ex);  in ext4_ext_rm_leaf()
2677 			ex--;  in ext4_ext_rm_leaf()
2678 			ex_ee_block = le32_to_cpu(ex->ee_block);  in ext4_ext_rm_leaf()
2679 			ex_ee_len = ext4_ext_get_actual_len(ex);  in ext4_ext_rm_leaf()
2703 		if (ex == EXT_FIRST_EXTENT(eh)) {  in ext4_ext_rm_leaf()
2717 		err = ext4_remove_blocks(handle, inode, ex, partial_cluster,  in ext4_ext_rm_leaf()
2724 			ext4_ext_store_pblock(ex, 0);  in ext4_ext_rm_leaf()
2726 		ex->ee_len = cpu_to_le16(num);  in ext4_ext_rm_leaf()
2732 			ext4_ext_mark_unwritten(ex);  in ext4_ext_rm_leaf()
2744 				memmove(ex, ex+1, (EXT_LAST_EXTENT(eh) - ex) *  in ext4_ext_rm_leaf()
2759 				ext4_ext_pblock(ex));  in ext4_ext_rm_leaf()
2760 		ex--;  in ext4_ext_rm_leaf()
2761 		ex_ee_block = le32_to_cpu(ex->ee_block);  in ext4_ext_rm_leaf()
2762 		ex_ee_len = ext4_ext_get_actual_len(ex);  in ext4_ext_rm_leaf()
2775 	if (*partial_cluster > 0 && ex >= EXT_FIRST_EXTENT(eh)) {  in ext4_ext_rm_leaf()
2776 		pblk = ext4_ext_pblock(ex) + ex_ee_len - 1;  in ext4_ext_rm_leaf()
2844 		struct ext4_extent *ex;  in ext4_ext_remove_space()  local
2856 		ex = path[depth].p_ext;  in ext4_ext_remove_space()
2857 		if (!ex) {  in ext4_ext_remove_space()
2867 		ee_block = le32_to_cpu(ex->ee_block);  in ext4_ext_remove_space()
2868 		ex_end = ee_block + ext4_ext_get_actual_len(ex) - 1;  in ext4_ext_remove_space()
2884 				pblk = ext4_ext_pblock(ex) + end - ee_block + 2;  in ext4_ext_remove_space()
2911 						    &ex);  in ext4_ext_remove_space()
3117 static int ext4_zeroout_es(struct inode *inode, struct ext4_extent *ex)  in ext4_zeroout_es()  argument
3123 	ee_block  = le32_to_cpu(ex->ee_block);  in ext4_zeroout_es()
3124 	ee_len    = ext4_ext_get_actual_len(ex);  in ext4_zeroout_es()
3125 	ee_pblock = ext4_ext_pblock(ex);  in ext4_zeroout_es()
3135 static int ext4_ext_zeroout(struct inode *inode, struct ext4_extent *ex)  in ext4_ext_zeroout()  argument
3140 	ee_len    = ext4_ext_get_actual_len(ex);  in ext4_ext_zeroout()
3141 	ee_pblock = ext4_ext_pblock(ex);  in ext4_ext_zeroout()
3142 	return ext4_issue_zeroout(inode, le32_to_cpu(ex->ee_block), ee_pblock,  in ext4_ext_zeroout()
3177 	struct ext4_extent *ex, newex, orig_ex, zero_ex;  in ext4_split_extent_at()  local
3191 	ex = path[depth].p_ext;  in ext4_split_extent_at()
3192 	ee_block = le32_to_cpu(ex->ee_block);  in ext4_split_extent_at()
3193 	ee_len = ext4_ext_get_actual_len(ex);  in ext4_split_extent_at()
3194 	newblock = split - ee_block + ext4_ext_pblock(ex);  in ext4_split_extent_at()
3197 	BUG_ON(!ext4_ext_is_unwritten(ex) &&  in ext4_split_extent_at()
3213 			ext4_ext_mark_unwritten(ex);  in ext4_split_extent_at()
3215 			ext4_ext_mark_initialized(ex);  in ext4_split_extent_at()
3218 			ext4_ext_try_to_merge(handle, inode, path, ex);  in ext4_split_extent_at()
3225 	memcpy(&orig_ex, ex, sizeof(orig_ex));  in ext4_split_extent_at()
3226 	ex->ee_len = cpu_to_le16(split - ee_block);  in ext4_split_extent_at()
3228 		ext4_ext_mark_unwritten(ex);  in ext4_split_extent_at()
3256 				err = ext4_ext_zeroout(inode, ex);  in ext4_split_extent_at()
3257 				zero_ex.ee_block = ex->ee_block;  in ext4_split_extent_at()
3259 						ext4_ext_get_actual_len(ex));  in ext4_split_extent_at()
3261 						      ext4_ext_pblock(ex));  in ext4_split_extent_at()
3275 		ex->ee_len = cpu_to_le16(ee_len);  in ext4_split_extent_at()
3276 		ext4_ext_try_to_merge(handle, inode, path, ex);  in ext4_split_extent_at()
3293 	ex->ee_len = orig_ex.ee_len;  in ext4_split_extent_at()
3318 	struct ext4_extent *ex;  in ext4_split_extent()  local
3326 	ex = path[depth].p_ext;  in ext4_split_extent()
3327 	ee_block = le32_to_cpu(ex->ee_block);  in ext4_split_extent()
3328 	ee_len = ext4_ext_get_actual_len(ex);  in ext4_split_extent()
3329 	unwritten = ext4_ext_is_unwritten(ex);  in ext4_split_extent()
3354 	ex = path[depth].p_ext;  in ext4_split_extent()
3355 	if (!ex) {  in ext4_split_extent()
3360 	unwritten = ext4_ext_is_unwritten(ex);  in ext4_split_extent()
3412 	struct ext4_extent *ex, *abut_ex;  in ext4_ext_convert_to_initialized()  local
3431 	ex = path[depth].p_ext;  in ext4_ext_convert_to_initialized()
3432 	ee_block = le32_to_cpu(ex->ee_block);  in ext4_ext_convert_to_initialized()
3433 	ee_len = ext4_ext_get_actual_len(ex);  in ext4_ext_convert_to_initialized()
3437 	trace_ext4_ext_convert_to_initialized_enter(inode, map, ex);  in ext4_ext_convert_to_initialized()
3440 	BUG_ON(!ext4_ext_is_unwritten(ex));  in ext4_ext_convert_to_initialized()
3461 		(ex > EXT_FIRST_EXTENT(eh))) {	/*L2*/  in ext4_ext_convert_to_initialized()
3466 		abut_ex = ex - 1;  in ext4_ext_convert_to_initialized()
3470 		ee_pblk = ext4_ext_pblock(ex);  in ext4_ext_convert_to_initialized()
3490 				map, ex, abut_ex);  in ext4_ext_convert_to_initialized()
3493 			ex->ee_block = cpu_to_le32(ee_block + map_len);  in ext4_ext_convert_to_initialized()
3494 			ext4_ext_store_pblock(ex, ee_pblk + map_len);  in ext4_ext_convert_to_initialized()
3495 			ex->ee_len = cpu_to_le16(ee_len - map_len);  in ext4_ext_convert_to_initialized()
3496 			ext4_ext_mark_unwritten(ex); /* Restore the flag */  in ext4_ext_convert_to_initialized()
3506 		   ex < EXT_LAST_EXTENT(eh)) {	/*L2*/  in ext4_ext_convert_to_initialized()
3512 		abut_ex = ex + 1;  in ext4_ext_convert_to_initialized()
3516 		ee_pblk = ext4_ext_pblock(ex);  in ext4_ext_convert_to_initialized()
3536 				map, ex, abut_ex);  in ext4_ext_convert_to_initialized()
3541 			ex->ee_len = cpu_to_le16(ee_len - map_len);  in ext4_ext_convert_to_initialized()
3542 			ext4_ext_mark_unwritten(ex); /* Restore the flag */  in ext4_ext_convert_to_initialized()
3598 				ext4_ext_pblock(ex) + split_map.m_lblk +  in ext4_ext_convert_to_initialized()
3609 				zero_ex2.ee_block = ex->ee_block;  in ext4_ext_convert_to_initialized()
3613 						      ext4_ext_pblock(ex));  in ext4_ext_convert_to_initialized()
3672 	struct ext4_extent *ex;  in ext4_split_convert_extents()  local
3689 	ex = path[depth].p_ext;  in ext4_split_convert_extents()
3690 	ee_block = le32_to_cpu(ex->ee_block);  in ext4_split_convert_extents()
3691 	ee_len = ext4_ext_get_actual_len(ex);  in ext4_split_convert_extents()
3712 	struct ext4_extent *ex;  in ext4_convert_unwritten_extents_endio()  local
3719 	ex = path[depth].p_ext;  in ext4_convert_unwritten_extents_endio()
3720 	ee_block = le32_to_cpu(ex->ee_block);  in ext4_convert_unwritten_extents_endio()
3721 	ee_len = ext4_ext_get_actual_len(ex);  in ext4_convert_unwritten_extents_endio()
3748 		ex = path[depth].p_ext;  in ext4_convert_unwritten_extents_endio()
3755 	ext4_ext_mark_initialized(ex);  in ext4_convert_unwritten_extents_endio()
3760 	ext4_ext_try_to_merge(handle, inode, path, ex);  in ext4_convert_unwritten_extents_endio()
3937 	struct ext4_extent *ex;  in convert_initialized_extent()  local
3951 	ex = path[depth].p_ext;  in convert_initialized_extent()
3952 	ee_block = le32_to_cpu(ex->ee_block);  in convert_initialized_extent()
3953 	ee_len = ext4_ext_get_actual_len(ex);  in convert_initialized_extent()
3968 		ex = path[depth].p_ext;  in convert_initialized_extent()
3969 		if (!ex) {  in convert_initialized_extent()
3980 	ext4_ext_mark_unwritten(ex);  in convert_initialized_extent()
3985 	ext4_ext_try_to_merge(handle, inode, path, ex);  in convert_initialized_extent()
4189 				     struct ext4_extent *ex,  in get_implied_cluster_alloc()  argument
4196 	ext4_lblk_t ee_block = le32_to_cpu(ex->ee_block);  in get_implied_cluster_alloc()
4197 	ext4_fsblk_t ee_start = ext4_ext_pblock(ex);  in get_implied_cluster_alloc()
4198 	unsigned short ee_len = ext4_ext_get_actual_len(ex);  in get_implied_cluster_alloc()
4271 	struct ext4_extent newex, *ex, *ex2;  in ext4_ext_map_blocks()  local
4309 	ex = path[depth].p_ext;  in ext4_ext_map_blocks()
4310 	if (ex) {  in ext4_ext_map_blocks()
4311 		ext4_lblk_t ee_block = le32_to_cpu(ex->ee_block);  in ext4_ext_map_blocks()
4312 		ext4_fsblk_t ee_start = ext4_ext_pblock(ex);  in ext4_ext_map_blocks()
4320 		ee_len = ext4_ext_get_actual_len(ex);  in ext4_ext_map_blocks()
4336 			if ((!ext4_ext_is_unwritten(ex)) &&  in ext4_ext_map_blocks()
4342 			} else if (!ext4_ext_is_unwritten(ex))  in ext4_ext_map_blocks()
4390 	if (cluster_offset && ex &&  in ext4_ext_map_blocks()
4391 	    get_implied_cluster_alloc(inode->i_sb, map, ex, path)) {  in ext4_ext_map_blocks()