From 0e49b1b2b42f79e28592b975f85c5706ffbe1380 Mon Sep 17 00:00:00 2001
From: Leo Yuriev <leo@yuriev.ru>
Date: Fri, 26 May 2017 15:11:31 +0300
Subject: [PATCH] mdbx: update 'mapsize' while opening with txn-increment.

---
 src/mdbx.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mdbx.c b/src/mdbx.c
index e9b74531..51a6f1ee 100644
--- a/src/mdbx.c
+++ b/src/mdbx.c
@@ -3917,6 +3917,9 @@ static int __cold mdbx_setup_dxb(MDBX_env *env, int lck_rc) {
                head->mm_mapsize, env->me_mapsize);
     meta = *head;
     meta.mm_mapsize = env->me_mapsize;
+    meta.mm_txnid += 1;
+    if (META_IS_STEADY(head))
+      meta.mm_datasync_sign = mdbx_meta_sign(&meta);
     err = mdbx_env_sync_locked(env, env->me_flags & MDBX_WRITEMAP, &meta);
     if (err)
       return err;