__test_and_clear_bit_le
c -= (0 != __test_and_clear_bit_le(bitnr & BITS_PER_PAGE_MASK, p_addr));
#define ext2_clear_bit __test_and_clear_bit_le
#define ext4_test_and_clear_bit __test_and_clear_bit_le
#define minix_test_and_clear_bit __test_and_clear_bit_le
#define udf_clear_bit __test_and_clear_bit_le
ret = __test_and_clear_bit_le(nr, addr); \
bool bmap0_dirty = __test_and_clear_bit_le(page, bmap[0]);
if (__test_and_clear_bit_le(page, bmap[1]) || bmap0_dirty) {