KEY_START
#define START_KEY(k) KEY(KEY_INODE(k), KEY_START(k), 0)
len = KEY_OFFSET(where) - KEY_START(k);
p("%llu:%llu len %llu -> [", KEY_INODE(k), KEY_START(k), KEY_SIZE(k));
old_offset = KEY_START(k);
uint64_t offset = KEY_START(k) -
KEY_START(replace_key);
if (KEY_START(k) < KEY_START(replace_key) ||
if (KEY_START(k) > KEY_START(insert) + sectors_found)
sectors_found = KEY_OFFSET(k) - KEY_START(insert);
bch_subtract_dirty(k, c, KEY_START(insert),
old_offset = KEY_START(insert);
KEY_START(insert),
io->bio.bio.bi_iter.bi_sector = KEY_START(&io->w->key);
KEY_START(k) > bio->bi_iter.bi_sector) {
KEY_START(k) - bio->bi_iter.bi_sector)
io->bio.bi_iter.bi_sector = KEY_START(&w->key);
KEY_START(k), KEY_SIZE(k));