From 3d53f2ff2a4859c3f35e0ded8038bda86c440a8e Mon Sep 17 00:00:00 2001
From: Leo Yuriev <leo@yuriev.ru>
Date: Mon, 24 Jul 2017 13:31:06 +0300
Subject: [PATCH] mdbx: refine mdbx_reclaiming_detent() for
 MDBX_UTTERLY_NOSYNC.

Change-Id: I7847f2b375f3792927a55c90bb26d3220e71b576
---
 src/mdbx.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/mdbx.c b/src/mdbx.c
index 504811f8..c2243dbb 100644
--- a/src/mdbx.c
+++ b/src/mdbx.c
@@ -1494,8 +1494,10 @@ static __hot MDBX_meta *mdbx_meta_head(const MDBX_env *env) {
 }
 
 static __hot txnid_t mdbx_reclaiming_detent(const MDBX_env *env) {
-  MDBX_meta *meta = mdbx_meta_mostrecent(prefer_noweak, env);
-  return mdbx_meta_txnid_stable(env, meta);
+  if (F_ISSET(env->me_flags, MDBX_UTTERLY_NOSYNC))
+    return env->me_txn->mt_txnid - 1;
+
+  return mdbx_meta_txnid_stable(env, mdbx_meta_steady(env));
 }
 
 static const char *mdbx_durable_str(const MDBX_meta *const meta) {