bcachefs: Fix ec_stripe_update_ptrs()

bch2_btree_iter_set_pos() invalidates the key returned by peek().

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 2020-03-30 14:05:05 -04:00 • committed by Kent Overstreet
commit e5e6aaa797