bcachefs: Fix another iterator leak

This updates bch2_rbio_narrow_crcs() to the current style for
transactional btree code, and fixes a rare panic on iterator overflow.

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 2020-03-16 15:48:58 -04:00 • committed by Kent Overstreet
commit 716254b8a1