+static inline struct bkey_i *bch2_bkey_get_mut_noupdate(struct btree_trans *trans,
+ struct btree_iter *iter,
+ unsigned btree_id, struct bpos pos,
+ unsigned flags)
+{
+ return __bch2_bkey_get_mut_noupdate(trans, iter, btree_id, pos, flags, 0, 0);
+}
+
+static inline struct bkey_i *__bch2_bkey_get_mut(struct btree_trans *trans,
+ struct btree_iter *iter,
+ unsigned btree_id, struct bpos pos,
+ unsigned flags, unsigned type, unsigned min_bytes)
+{
+ struct bkey_i *mut = __bch2_bkey_get_mut_noupdate(trans, iter,
+ btree_id, pos, flags|BTREE_ITER_INTENT, type, min_bytes);
+ int ret;
+
+ if (IS_ERR(mut))
+ return mut;
+
+ ret = bch2_trans_update(trans, iter, mut, flags);
+ if (ret) {
+ bch2_trans_iter_exit(trans, iter);
+ return ERR_PTR(ret);
+ }
+
+ return mut;
+}
+
+static inline struct bkey_i *bch2_bkey_get_mut_minsize(struct btree_trans *trans,
+ struct btree_iter *iter,
+ unsigned btree_id, struct bpos pos,
+ unsigned flags, unsigned min_bytes)
+{
+ return __bch2_bkey_get_mut(trans, iter, btree_id, pos, flags, 0, min_bytes);
+}
+
+static inline struct bkey_i *bch2_bkey_get_mut(struct btree_trans *trans,
+ struct btree_iter *iter,
+ unsigned btree_id, struct bpos pos,
+ unsigned flags)
+{
+ return __bch2_bkey_get_mut(trans, iter, btree_id, pos, flags, 0, 0);
+}
+
+#define bch2_bkey_get_mut_typed(_trans, _iter, _btree_id, _pos, _flags, _type)\
+ bkey_i_to_##_type(__bch2_bkey_get_mut(_trans, _iter, \
+ _btree_id, _pos, _flags, \
+ KEY_TYPE_##_type, sizeof(struct bkey_i_##_type)))
+
+static inline struct bkey_i *__bch2_bkey_alloc(struct btree_trans *trans, struct btree_iter *iter,
+ unsigned flags, unsigned type, unsigned val_size)
+{
+ struct bkey_i *k = bch2_trans_kmalloc(trans, sizeof(*k) + val_size);
+ int ret;
+
+ if (IS_ERR(k))
+ return k;
+
+ bkey_init(&k->k);
+ k->k.p = iter->pos;
+ k->k.type = type;
+ set_bkey_val_bytes(&k->k, val_size);
+
+ ret = bch2_trans_update(trans, iter, k, flags);
+ if (unlikely(ret))
+ return ERR_PTR(ret);
+ return k;
+}
+
+#define bch2_bkey_alloc(_trans, _iter, _flags, _type) \
+ bkey_i_to_##_type(__bch2_bkey_alloc(_trans, _iter, _flags, \
+ KEY_TYPE_##_type, sizeof(struct bch_##_type)))
+