1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/md/bcache/bset.h b/drivers/md/bcache/bset.h
index 4aa199d03344..759df830bb14 100644
--- a/drivers/md/bcache/bset.h
+++ b/drivers/md/bcache/bset.h
@@ -189,6 +189,8 @@ struct btree_keys_ops {
         bool            (*sort_cmp)(struct btree_iter_set,
                                     struct btree_iter_set);
         struct bkey     *(*sort_fixup)(struct btree_iter *, struct bkey *);
+        bool            (*insert_fixup)(struct btree_keys *, struct bkey *,
+                                        struct btree_iter *, struct bkey *);
         bool            (*key_invalid)(struct btree_keys *,
                                        const struct bkey *);
         bool            (*key_bad)(struct btree_keys *, const struct bkey *);
@@ -286,6 +288,16 @@ void bch_bset_init_next(struct btree_keys *, struct bset *, uint64_t);
 void bch_bset_build_written_tree(struct btree_keys *);
 void bch_bset_fix_invalidated_key(struct btree_keys *, struct bkey *);
 void bch_bset_insert(struct btree_keys *, struct bkey *, struct bkey *);
+unsigned bch_btree_insert_key(struct btree_keys *, struct bkey *,
+                              struct bkey *);
+
+enum {
+        BTREE_INSERT_STATUS_NO_INSERT = 0,
+        BTREE_INSERT_STATUS_INSERT,
+        BTREE_INSERT_STATUS_BACK_MERGE,
+        BTREE_INSERT_STATUS_OVERWROTE,
+        BTREE_INSERT_STATUS_FRONT_MERGE,
+};
 
 /*
  * Tries to merge l and r: l should be lower than r