From 0941319940e5b52d81a3b82daffeb2b2048f029c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9B=D0=B5=D0=BE=D0=BD=D0=B8=D0=B4=20=D0=AE=D1=80=D1=8C?=
 =?UTF-8?q?=D0=B5=D0=B2=20=28Leonid=20Yuriev=29?= <leo@yuriev.ru>
Date: Mon, 26 Dec 2022 20:30:32 +0300
Subject: [PATCH] =?UTF-8?q?mdbx:=20=D0=BF=D0=B0=D1=80=D0=BE=D1=87=D0=BA?=
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---
 src/osal.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/osal.c b/src/osal.c
index 8a76d865..997b9adf 100644
--- a/src/osal.c
+++ b/src/osal.c
@@ -1571,7 +1571,7 @@ MDBX_INTERNAL_FUNC int osal_fsync(mdbx_filehandle_t fd,
       return MDBX_SUCCESS /* nothing to do */;
 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
     case MDBX_SYNC_DATA:
-      if (fdatasync(fd) == 0)
+      if (likely(fdatasync(fd) == 0))
         return MDBX_SUCCESS;
       break /* error */;
 #if defined(__linux__) || defined(__gnu_linux__)
@@ -1581,7 +1581,7 @@ MDBX_INTERNAL_FUNC int osal_fsync(mdbx_filehandle_t fd,
 #endif /* Linux */
 #endif /* _POSIX_SYNCHRONIZED_IO > 0 */
     default:
-      if (fsync(fd) == 0)
+      if (likely(fsync(fd) == 0))
         return MDBX_SUCCESS;
     }