440 static void *mb_find_buddy(struct ext4_buddy *e4b, int order, int *max)  in mb_find_buddy()  argument
447 	if (order > e4b->bd_blkbits + 1) {  in mb_find_buddy()
453 	if (order == 0) {  in mb_find_buddy()
458 	bb = e4b->bd_buddy + EXT4_SB(e4b->bd_sb)->s_mb_offsets[order];  in mb_find_buddy()
459 	*max = EXT4_SB(e4b->bd_sb)->s_mb_maxs[order];  in mb_find_buddy()
557 	int order = e4b->bd_blkbits + 1;  in __mb_check_buddy()  local
577 	while (order > 1) {  in __mb_check_buddy()
578 		buddy = mb_find_buddy(e4b, order, &max);  in __mb_check_buddy()
580 		buddy2 = mb_find_buddy(e4b, order - 1, &max2);  in __mb_check_buddy()
604 			for (j = 0; j < (1 << order); j++) {  in __mb_check_buddy()
605 				k = (i * (1 << order)) + j;  in __mb_check_buddy()
611 		MB_CHECK_ASSERT(e4b->bd_info->bb_counters[order] == count);  in __mb_check_buddy()
612 		order--;  in __mb_check_buddy()
782 	int order = 1;  in mb_regenerate_buddy()  local
785 	while ((buddy = mb_find_buddy(e4b, order++, &count))) {  in mb_regenerate_buddy()
1250 	int order = 1;  in mb_find_order_for_block()  local
1258 	while (order <= e4b->bd_blkbits + 1) {  in mb_find_order_for_block()
1262 			return order;  in mb_find_order_for_block()
1266 		order++;  in mb_find_order_for_block()
1354 	int order = 1;  in mb_buddy_mark_free()  local
1355 	void *buddy = mb_find_buddy(e4b, order, &max);  in mb_buddy_mark_free()
1390 			e4b->bd_info->bb_counters[order] += mb_buddy_adjust_border(&first, buddy, -1);  in mb_buddy_mark_free()
1392 			e4b->bd_info->bb_counters[order] += mb_buddy_adjust_border(&last, buddy, 1);  in mb_buddy_mark_free()
1395 		order++;  in mb_buddy_mark_free()
1397 		if (first == last || !(buddy2 = mb_find_buddy(e4b, order, &max))) {  in mb_buddy_mark_free()
1399 			e4b->bd_info->bb_counters[order - 1] += last - first + 1;  in mb_buddy_mark_free()
1496 	int max, order;  in mb_find_extent()  local
1513 	order = mb_find_order_for_block(e4b, block);  in mb_find_extent()
1514 	block = block >> order;  in mb_find_extent()
1516 	ex->fe_len = 1 << order;  in mb_find_extent()
1517 	ex->fe_start = block << order;  in mb_find_extent()
1526 	       mb_find_buddy(e4b, order, &max)) {  in mb_find_extent()
1531 		next = (block + 1) * (1 << order);  in mb_find_extent()
1535 		order = mb_find_order_for_block(e4b, next);  in mb_find_extent()
1537 		block = next >> order;  in mb_find_extent()
1538 		ex->fe_len += 1 << order;  in mb_find_extent()
3341 	int order, i;  in ext4_mb_use_preallocated()  local
3390 	order  = fls(ac->ac_o_ex.fe_len) - 1;  in ext4_mb_use_preallocated()
3391 	if (order > PREALLOC_TB_SIZE - 1)  in ext4_mb_use_preallocated()
3393 		order = PREALLOC_TB_SIZE - 1;  in ext4_mb_use_preallocated()
3400 	for (i = order; i < PREALLOC_TB_SIZE; i++) {  in ext4_mb_use_preallocated()
4204 					int order, int total_entries)  in ext4_mb_discard_lg_preallocations()  argument
4216 	list_for_each_entry_rcu(pa, &lg->lg_prealloc_list[order],  in ext4_mb_discard_lg_preallocations()
4285 	int order, added = 0, lg_prealloc_count = 1;  in ext4_mb_add_n_trim()  local
4290 	order = fls(pa->pa_free) - 1;  in ext4_mb_add_n_trim()
4291 	if (order > PREALLOC_TB_SIZE - 1)  in ext4_mb_add_n_trim()
4293 		order = PREALLOC_TB_SIZE - 1;  in ext4_mb_add_n_trim()
4296 	list_for_each_entry_rcu(tmp_pa, &lg->lg_prealloc_list[order],  in ext4_mb_add_n_trim()
4318 					&lg->lg_prealloc_list[order]);  in ext4_mb_add_n_trim()
4324 						  order, lg_prealloc_count);  in ext4_mb_add_n_trim()