bcachefs: btree_bkey_cached_common

This is prep work for the btree key cache: btree iterators will point to
either struct btree, or a new struct bkey_cached.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2020-06-06 12:28:01 -04:00 • committed by Kent Overstreet
commit c43a6ef9a0
16 changed files with 212 additions and 203 deletions