bcachefs: Simplify bch2_btree_iter_peek_prev()

Since we added iter->real_pos, btree_iter_set_pos_to_(next|prev)_leaf no
longer modify iter->pos, so we don't have to save it at the start
anymore.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2021-03-04 22:40:41 -05:00 • committed by Kent Overstreet
commit a045be5a0e