[PATCH v2 02/11] struct ref_transaction: add a place for backends to store data

[Michael Haggerty]

`packed_ref_store` is going to want to store some transaction-wide
data, so make a place for it.

Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
 refs/refs-internal.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/refs/refs-internal.h b/refs/refs-internal.h
index b02dc5a7e3..d7d344de73 100644
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -242,6 +242,7 @@ struct ref_transaction {
        size_t alloc;
        size_t nr;
        enum ref_transaction_state state;
+       void *backend_data;
 };
 
 /*
-- 
2.14.1