478 			   int first, int count)  in mb_free_blocks_double()  argument
487 		if (!mb_test_bit(first + i, e4b->bd_info->bb_bitmap)) {  in mb_free_blocks_double()
491 			blocknr += EXT4_C2B(EXT4_SB(sb), first + i);  in mb_free_blocks_double()
497 					      first + i);  in mb_free_blocks_double()
501 		mb_clear_bit(first + i, e4b->bd_info->bb_bitmap);  in mb_free_blocks_double()
505 static void mb_mark_used_double(struct ext4_buddy *e4b, int first, int count)  in mb_mark_used_double()  argument
513 		BUG_ON(mb_test_bit(first + i, e4b->bd_info->bb_bitmap));  in mb_mark_used_double()
514 		mb_set_bit(first + i, e4b->bd_info->bb_bitmap);  in mb_mark_used_double()
567 				struct ext4_buddy *e4b, int first, int count)  in mb_free_blocks_double()  argument
572 						int first, int count)  in mb_mark_used_double()  argument
715 				void *buddy, ext4_grpblk_t first, ext4_grpblk_t len,  in ext4_mb_mark_free_simple()  argument
730 		max = ffs(first | border) - 1;  in ext4_mb_mark_free_simple()
742 			mb_clear_bit(first >> min,  in ext4_mb_mark_free_simple()
746 		first += chunk;  in ext4_mb_mark_free_simple()
779 	ext4_grpblk_t first;  in ext4_mb_generate_buddy()  local
791 		first = i;  in ext4_mb_generate_buddy()
793 		len = i - first;  in ext4_mb_generate_buddy()
796 			ext4_mb_mark_free_simple(sb, buddy, first, len, grp);  in ext4_mb_generate_buddy()
1420 static void mb_buddy_mark_free(struct ext4_buddy *e4b, int first, int last)  in mb_buddy_mark_free()  argument
1458 		if (first & 1)  in mb_buddy_mark_free()
1459 			e4b->bd_info->bb_counters[order] += mb_buddy_adjust_border(&first, buddy, -1);  in mb_buddy_mark_free()
1462 		if (first > last)  in mb_buddy_mark_free()
1466 		if (first == last || !(buddy2 = mb_find_buddy(e4b, order, &max))) {  in mb_buddy_mark_free()
1467 			mb_clear_bits(buddy, first, last - first + 1);  in mb_buddy_mark_free()
1468 			e4b->bd_info->bb_counters[order - 1] += last - first + 1;  in mb_buddy_mark_free()
1471 		first >>= 1;  in mb_buddy_mark_free()
1478 			   int first, int count)  in mb_free_blocks()  argument
1483 	int last = first + count - 1;  in mb_free_blocks()
1495 	mb_free_blocks_double(inode, e4b, first, count);  in mb_free_blocks()
1500 	if (first != 0)  in mb_free_blocks()
1501 		left_is_free = !mb_test_bit(first - 1, e4b->bd_bitmap);  in mb_free_blocks()
1502 	block = mb_test_and_clear_bits(e4b->bd_bitmap, first, count);  in mb_free_blocks()
1532 	if (first < e4b->bd_info->bb_first_free)  in mb_free_blocks()
1533 		e4b->bd_info->bb_first_free = first;  in mb_free_blocks()
1547 	if (first & 1) {  in mb_free_blocks()
1548 		first += !left_is_free;  in mb_free_blocks()
1556 	if (first <= last)  in mb_free_blocks()
1557 		mb_buddy_mark_free(e4b, first >> 1, last >> 1);  in mb_free_blocks()