878 			unsigned long *count, struct ext3_reserve_window *my_rsv)  in ext3_try_to_allocate()  argument
885 	if (my_rsv) {  in ext3_try_to_allocate()
887 		if (my_rsv->_rsv_start >= group_first_block)  in ext3_try_to_allocate()
888 			start = my_rsv->_rsv_start - group_first_block;  in ext3_try_to_allocate()
892 		end = my_rsv->_rsv_end - group_first_block + 1;  in ext3_try_to_allocate()
915 		if (!my_rsv) {  in ext3_try_to_allocate()
992 				struct ext3_reserve_window_node *my_rsv,  in find_next_reservable_window()  argument
1000 	int size = my_rsv->rsv_goal_size;  in find_next_reservable_window()
1055 	if ((prev != my_rsv) && (!rsv_is_empty(&my_rsv->rsv_window)))  in find_next_reservable_window()
1056 		rsv_window_remove(sb, my_rsv);  in find_next_reservable_window()
1065 	my_rsv->rsv_start = cur;  in find_next_reservable_window()
1066 	my_rsv->rsv_end = cur + size - 1;  in find_next_reservable_window()
1067 	my_rsv->rsv_alloc_hit = 0;  in find_next_reservable_window()
1069 	if (prev != my_rsv)  in find_next_reservable_window()
1070 		ext3_rsv_window_add(sb, my_rsv);  in find_next_reservable_window()
1112 static int alloc_new_reservation(struct ext3_reserve_window_node *my_rsv,  in alloc_new_reservation()  argument
1133 	size = my_rsv->rsv_goal_size;  in alloc_new_reservation()
1135 	if (!rsv_is_empty(&my_rsv->rsv_window)) {  in alloc_new_reservation()
1150 		if ((my_rsv->rsv_start <= group_end_block) &&  in alloc_new_reservation()
1151 				(my_rsv->rsv_end > group_end_block) &&  in alloc_new_reservation()
1152 				(start_block >= my_rsv->rsv_start))  in alloc_new_reservation()
1155 		if ((my_rsv->rsv_alloc_hit >  in alloc_new_reservation()
1156 		     (my_rsv->rsv_end - my_rsv->rsv_start + 1) / 2)) {  in alloc_new_reservation()
1166 			my_rsv->rsv_goal_size= size;  in alloc_new_reservation()
1184 	ret = find_next_reservable_window(search_head, my_rsv, sb,  in alloc_new_reservation()
1188 		if (!rsv_is_empty(&my_rsv->rsv_window))  in alloc_new_reservation()
1189 			rsv_window_remove(sb, my_rsv);  in alloc_new_reservation()
1207 			my_rsv->rsv_start - group_first_block,  in alloc_new_reservation()
1216 		if (!rsv_is_empty(&my_rsv->rsv_window))  in alloc_new_reservation()
1217 			rsv_window_remove(sb, my_rsv);  in alloc_new_reservation()
1227 	if (start_block >= my_rsv->rsv_start &&  in alloc_new_reservation()
1228 	    start_block <= my_rsv->rsv_end) {  in alloc_new_reservation()
1229 		trace_ext3_reserved(sb, start_block, my_rsv);  in alloc_new_reservation()
1238 	search_head = my_rsv;  in alloc_new_reservation()
1260 static void try_to_extend_reservation(struct ext3_reserve_window_node *my_rsv,  in try_to_extend_reservation()  argument
1270 	next = rb_next(&my_rsv->rsv_node);  in try_to_extend_reservation()
1273 		my_rsv->rsv_end += size;  in try_to_extend_reservation()
1277 		if ((next_rsv->rsv_start - my_rsv->rsv_end - 1) >= size)  in try_to_extend_reservation()
1278 			my_rsv->rsv_end += size;  in try_to_extend_reservation()
1280 			my_rsv->rsv_end = next_rsv->rsv_start - 1;  in try_to_extend_reservation()
1318 			struct ext3_reserve_window_node * my_rsv,  in ext3_try_to_allocate_with_rsv()  argument
1346 	if (my_rsv == NULL ) {  in ext3_try_to_allocate_with_rsv()
1376 		if (rsv_is_empty(&my_rsv->rsv_window) || (ret < 0) ||  in ext3_try_to_allocate_with_rsv()
1377 			!goal_in_my_reservation(&my_rsv->rsv_window,  in ext3_try_to_allocate_with_rsv()
1379 			if (my_rsv->rsv_goal_size < *count)  in ext3_try_to_allocate_with_rsv()
1380 				my_rsv->rsv_goal_size = *count;  in ext3_try_to_allocate_with_rsv()
1381 			ret = alloc_new_reservation(my_rsv, grp_goal, sb,  in ext3_try_to_allocate_with_rsv()
1386 			if (!goal_in_my_reservation(&my_rsv->rsv_window,  in ext3_try_to_allocate_with_rsv()
1390 			int curr = my_rsv->rsv_end -  in ext3_try_to_allocate_with_rsv()
1394 				try_to_extend_reservation(my_rsv, sb,  in ext3_try_to_allocate_with_rsv()
1398 		if ((my_rsv->rsv_start > group_last_block) ||  in ext3_try_to_allocate_with_rsv()
1399 				(my_rsv->rsv_end < group_first_block)) {  in ext3_try_to_allocate_with_rsv()
1404 					   grp_goal, &num, &my_rsv->rsv_window);  in ext3_try_to_allocate_with_rsv()
1406 			my_rsv->rsv_alloc_hit += num;  in ext3_try_to_allocate_with_rsv()
1504 	struct ext3_reserve_window_node *my_rsv = NULL;  in ext3_new_blocks()  local
1540 		my_rsv = &block_i->rsv_window_node;  in ext3_new_blocks()
1566 	if (my_rsv && (free_blocks < windowsz)  in ext3_new_blocks()
1568 		&& (rsv_is_empty(&my_rsv->rsv_window)))  in ext3_new_blocks()
1569 		my_rsv = NULL;  in ext3_new_blocks()
1579 					my_rsv,	&num, &fatal);  in ext3_new_blocks()
1612 		if (my_rsv && (free_blocks <= (windowsz/2)))  in ext3_new_blocks()
1623 					group_no, bitmap_bh, -1, my_rsv,  in ext3_new_blocks()
1637 	if (my_rsv) {  in ext3_new_blocks()
1638 		my_rsv = NULL;  in ext3_new_blocks()