bcachefs: Make sure we're releasing btree iterators

This wasn't originally required, but this is the model we're moving
towards.

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 2020-02-18 14:27:10 -05:00 • committed by Kent Overstreet
commit 8b53852d0a
5 changed files with 120 additions and 91 deletions