From 512e6dbd080e9b123734c301100392cbe857c210 Mon Sep 17 00:00:00 2001
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 =?UTF-8?q?=D0=B5=D0=B2=20=28Leonid=20Yuriev=29?= <leo@yuriev.ru>
Date: Wed, 30 Nov 2022 21:56:12 +0300
Subject: [PATCH] =?UTF-8?q?mdbx:=20=D0=BE=D1=82=D0=BA=D0=BB=D1=8E=D1=87?=
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Требуется переработка = динамический выбор между write(O_DSYNC) и write()+fdatasync(),
в зависимости от количества записываемых линейных фрагментов.
---
 src/core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core.c b/src/core.c
index 3fc7f05d..ff289306 100644
--- a/src/core.c
+++ b/src/core.c
@@ -14241,8 +14241,10 @@ __cold int mdbx_env_openW(MDBX_env *env, const wchar_t *pathname,
     if (env->me_dsync_fd != INVALID_HANDLE_VALUE) {
       if ((flags & MDBX_NOMETASYNC) == 0)
         env->me_fd4meta = env->me_dsync_fd;
+#if defined(_WIN32) || defined(_WIN64)
       if (env->me_fd4data == env->me_lazy_fd)
         env->me_fd4data = env->me_dsync_fd;
+#endif /* Windows must die */
       osal_fseek(env->me_dsync_fd, safe_parking_lot_offset);
     }
   }