bcachefs: No need to clone iterators for update

Since btree_path is now internally refcounted, we don't need to clone an
iterator before calling bch2_trans_update() if we'll be mutating it.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This commit is contained in:
Kent Overstreet 2021-09-06 15:38:12 -04:00 • committed by Kent Overstreet
commit cf3c68cda6