665 			struct ext2_reserve_window *my_rsv)  in ext2_try_to_allocate()  argument
675 	if (my_rsv) {  in ext2_try_to_allocate()
676 		if (my_rsv->_rsv_start >= group_first_block)  in ext2_try_to_allocate()
677 			start = my_rsv->_rsv_start - group_first_block;  in ext2_try_to_allocate()
678 		if (my_rsv->_rsv_end < group_last_block)  in ext2_try_to_allocate()
679 			end = my_rsv->_rsv_end - group_first_block + 1;  in ext2_try_to_allocate()
689 		if (!my_rsv) {  in ext2_try_to_allocate()
753 				struct ext2_reserve_window_node *my_rsv,  in find_next_reservable_window()  argument
761 	int size = my_rsv->rsv_goal_size;  in find_next_reservable_window()
816 	if ((prev != my_rsv) && (!rsv_is_empty(&my_rsv->rsv_window)))  in find_next_reservable_window()
817 		rsv_window_remove(sb, my_rsv);  in find_next_reservable_window()
826 	my_rsv->rsv_start = cur;  in find_next_reservable_window()
827 	my_rsv->rsv_end = cur + size - 1;  in find_next_reservable_window()
828 	my_rsv->rsv_alloc_hit = 0;  in find_next_reservable_window()
830 	if (prev != my_rsv)  in find_next_reservable_window()
831 		ext2_rsv_window_add(sb, my_rsv);  in find_next_reservable_window()
873 static int alloc_new_reservation(struct ext2_reserve_window_node *my_rsv,  in alloc_new_reservation()  argument
893 	size = my_rsv->rsv_goal_size;  in alloc_new_reservation()
895 	if (!rsv_is_empty(&my_rsv->rsv_window)) {  in alloc_new_reservation()
910 		if ((my_rsv->rsv_start <= group_end_block) &&  in alloc_new_reservation()
911 				(my_rsv->rsv_end > group_end_block) &&  in alloc_new_reservation()
912 				(start_block >= my_rsv->rsv_start))  in alloc_new_reservation()
915 		if ((my_rsv->rsv_alloc_hit >  in alloc_new_reservation()
916 		     (my_rsv->rsv_end - my_rsv->rsv_start + 1) / 2)) {  in alloc_new_reservation()
926 			my_rsv->rsv_goal_size= size;  in alloc_new_reservation()
944 	ret = find_next_reservable_window(search_head, my_rsv, sb,  in alloc_new_reservation()
948 		if (!rsv_is_empty(&my_rsv->rsv_window))  in alloc_new_reservation()
949 			rsv_window_remove(sb, my_rsv);  in alloc_new_reservation()
965 			my_rsv->rsv_start - group_first_block,  in alloc_new_reservation()
974 		if (!rsv_is_empty(&my_rsv->rsv_window))  in alloc_new_reservation()
975 			rsv_window_remove(sb, my_rsv);  in alloc_new_reservation()
985 	if (start_block >= my_rsv->rsv_start && start_block <= my_rsv->rsv_end)  in alloc_new_reservation()
993 	search_head = my_rsv;  in alloc_new_reservation()
1015 static void try_to_extend_reservation(struct ext2_reserve_window_node *my_rsv,  in try_to_extend_reservation()  argument
1025 	next = rb_next(&my_rsv->rsv_node);  in try_to_extend_reservation()
1028 		my_rsv->rsv_end += size;  in try_to_extend_reservation()
1032 		if ((next_rsv->rsv_start - my_rsv->rsv_end - 1) >= size)  in try_to_extend_reservation()
1033 			my_rsv->rsv_end += size;  in try_to_extend_reservation()
1035 			my_rsv->rsv_end = next_rsv->rsv_start - 1;  in try_to_extend_reservation()
1069 			struct ext2_reserve_window_node * my_rsv,  in ext2_try_to_allocate_with_rsv()  argument
1082 	if (my_rsv == NULL) {  in ext2_try_to_allocate_with_rsv()
1111 		if (rsv_is_empty(&my_rsv->rsv_window) || (ret < 0) ||  in ext2_try_to_allocate_with_rsv()
1112 			!goal_in_my_reservation(&my_rsv->rsv_window,  in ext2_try_to_allocate_with_rsv()
1114 			if (my_rsv->rsv_goal_size < *count)  in ext2_try_to_allocate_with_rsv()
1115 				my_rsv->rsv_goal_size = *count;  in ext2_try_to_allocate_with_rsv()
1116 			ret = alloc_new_reservation(my_rsv, grp_goal, sb,  in ext2_try_to_allocate_with_rsv()
1121 			if (!goal_in_my_reservation(&my_rsv->rsv_window,  in ext2_try_to_allocate_with_rsv()
1125 			int curr = my_rsv->rsv_end -  in ext2_try_to_allocate_with_rsv()
1129 				try_to_extend_reservation(my_rsv, sb,  in ext2_try_to_allocate_with_rsv()
1133 		if ((my_rsv->rsv_start > group_last_block) ||  in ext2_try_to_allocate_with_rsv()
1134 				(my_rsv->rsv_end < group_first_block)) {  in ext2_try_to_allocate_with_rsv()
1139 					   &num, &my_rsv->rsv_window);  in ext2_try_to_allocate_with_rsv()
1141 			my_rsv->rsv_alloc_hit += num;  in ext2_try_to_allocate_with_rsv()
1222 	struct ext2_reserve_window_node *my_rsv = NULL;  in ext2_new_blocks()  local
1256 			my_rsv = &block_i->rsv_window_node;  in ext2_new_blocks()
1283 	if (my_rsv && (free_blocks < windowsz)  in ext2_new_blocks()
1285 		&& (rsv_is_empty(&my_rsv->rsv_window)))  in ext2_new_blocks()
1286 		my_rsv = NULL;  in ext2_new_blocks()
1303 					my_rsv, &num);  in ext2_new_blocks()
1335 		if (my_rsv && (free_blocks <= (windowsz/2)))  in ext2_new_blocks()
1346 					bitmap_bh, -1, my_rsv, &num);  in ext2_new_blocks()
1357 	if (my_rsv) {  in ext2_new_blocks()
1358 		my_rsv = NULL;  in ext2_new_blocks()