From 7ed97d50b1f8dc1315ff2337830d6ecd34035eb7 Mon Sep 17 00:00:00 2001
From: Leo Yuriev <leo@yuriev.ru>
Date: Wed, 26 Jul 2017 10:31:34 +0300
Subject: [PATCH] mdbx: guard put-data inside freelist_save() by C_RECLAIMING
 (paranoia).

Change-Id: I9cb6bf27717f76dc97259d48e4253a30c2345afd
---
 src/mdbx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mdbx.c b/src/mdbx.c
index 83cbc55d..a20dd74e 100644
--- a/src/mdbx.c
+++ b/src/mdbx.c
@@ -3170,7 +3170,9 @@ again_on_freelist_change:
       data.iov_base = rpl_end;
       pgno_t save = rpl_end[0];
       rpl_end[0] = (pgno_t)chunk_len;
+      mc.mc_flags |= C_RECLAIMING;
       rc = mdbx_cursor_put(&mc, &key, &data, MDBX_CURRENT);
+      mc.mc_flags ^= C_RECLAIMING;
       mdbx_tassert(
           txn, cleanup_reclaimed_pos ==
                    (txn->mt_lifo_reclaimed ? txn->mt_lifo_reclaimed[0] : 0));