513 static void *mb_find_buddy(struct ext4_buddy *e4b, int order, int *max)  in mb_find_buddy()  argument
520 	if (order > e4b->bd_blkbits + 1) {  in mb_find_buddy()
526 	if (order == 0) {  in mb_find_buddy()
531 	bb = e4b->bd_buddy + EXT4_SB(e4b->bd_sb)->s_mb_offsets[order];  in mb_find_buddy()
532 	*max = EXT4_SB(e4b->bd_sb)->s_mb_maxs[order];  in mb_find_buddy()
670 	int order = e4b->bd_blkbits + 1;  in __mb_check_buddy()  local
687 	while (order > 1) {  in __mb_check_buddy()
688 		buddy = mb_find_buddy(e4b, order, &max);  in __mb_check_buddy()
690 		buddy2 = mb_find_buddy(e4b, order - 1, &max2);  in __mb_check_buddy()
714 			for (j = 0; j < (1 << order); j++) {  in __mb_check_buddy()
715 				k = (i * (1 << order)) + j;  in __mb_check_buddy()
721 		MB_CHECK_ASSERT(e4b->bd_info->bb_counters[order] == count);  in __mb_check_buddy()
722 		order--;  in __mb_check_buddy()
1174 	int order = 1;  in mb_regenerate_buddy()  local
1177 	while ((buddy = mb_find_buddy(e4b, order++, &count)))  in mb_regenerate_buddy()
1667 	int order = 1, max;  in mb_find_order_for_block()  local
1673 	while (order <= e4b->bd_blkbits + 1) {  in mb_find_order_for_block()
1674 		bb = mb_find_buddy(e4b, order, &max);  in mb_find_order_for_block()
1675 		if (!mb_test_bit(block >> order, bb)) {  in mb_find_order_for_block()
1677 			return order;  in mb_find_order_for_block()
1679 		order++;  in mb_find_order_for_block()
1764 	int order = 1;  in mb_buddy_mark_free()  local
1765 	void *buddy = mb_find_buddy(e4b, order, &max);  in mb_buddy_mark_free()
1800 			e4b->bd_info->bb_counters[order] += mb_buddy_adjust_border(&first, buddy, -1);  in mb_buddy_mark_free()
1802 			e4b->bd_info->bb_counters[order] += mb_buddy_adjust_border(&last, buddy, 1);  in mb_buddy_mark_free()
1805 		order++;  in mb_buddy_mark_free()
1807 		if (first == last || !(buddy2 = mb_find_buddy(e4b, order, &max))) {  in mb_buddy_mark_free()
1809 			e4b->bd_info->bb_counters[order - 1] += last - first + 1;  in mb_buddy_mark_free()
1910 	int max, order;  in mb_find_extent()  local
1927 	order = mb_find_order_for_block(e4b, block);  in mb_find_extent()
1928 	block = block >> order;  in mb_find_extent()
1930 	ex->fe_len = 1 << order;  in mb_find_extent()
1931 	ex->fe_start = block << order;  in mb_find_extent()
1940 	       mb_find_buddy(e4b, order, &max)) {  in mb_find_extent()
1945 		next = (block + 1) * (1 << order);  in mb_find_extent()
1949 		order = mb_find_order_for_block(e4b, next);  in mb_find_extent()
1951 		block = next >> order;  in mb_find_extent()
1952 		ex->fe_len += 1 << order;  in mb_find_extent()
1961 			block, order, needed, ex->fe_group, ex->fe_start,  in mb_find_extent()
4432 	int order, i;  in ext4_mb_use_preallocated()  local
4480 	order  = fls(ac->ac_o_ex.fe_len) - 1;  in ext4_mb_use_preallocated()
4481 	if (order > PREALLOC_TB_SIZE - 1)  in ext4_mb_use_preallocated()
4483 		order = PREALLOC_TB_SIZE - 1;  in ext4_mb_use_preallocated()
4490 	for (i = order; i < PREALLOC_TB_SIZE; i++) {  in ext4_mb_use_preallocated()
5360 					int order, int total_entries)  in ext4_mb_discard_lg_preallocations()  argument
5372 	list_for_each_entry_rcu(pa, &lg->lg_prealloc_list[order],  in ext4_mb_discard_lg_preallocations()
5445 	int order, added = 0, lg_prealloc_count = 1;  in ext4_mb_add_n_trim()  local
5450 	order = fls(pa->pa_free) - 1;  in ext4_mb_add_n_trim()
5451 	if (order > PREALLOC_TB_SIZE - 1)  in ext4_mb_add_n_trim()
5453 		order = PREALLOC_TB_SIZE - 1;  in ext4_mb_add_n_trim()
5456 	list_for_each_entry_rcu(tmp_pa, &lg->lg_prealloc_list[order],  in ext4_mb_add_n_trim()
5479 					&lg->lg_prealloc_list[order]);  in ext4_mb_add_n_trim()
5485 						  order, lg_prealloc_count);  in ext4_mb_add_n_trim()