X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/404223547c2b3f7eef0295cf22be4bfdbc63846a..f1466e11cd1c2c41f01e505e54f465d0eb4b4f42:/src/config.h

diff --git a/src/config.h b/src/config.h
index 28ef37d6..617682fc 100644
--- a/src/config.h
+++ b/src/config.h
@@ -52,6 +52,14 @@
 #define aof_fsync fsync
 #endif
 
+/* Define rdb_fsync_range to sync_file_range() on Linux, otherwise we use
+ * the plain fsync() call. */
+#ifdef __linux__
+#define rdb_fsync_range(fd,off,size) sync_file_range(fd,off,size,SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE)
+#else
+#define rdb_fsync_range(fd,off,size) fsync(fd)
+#endif
+
 /* Byte ordering detection */
 #include <sys/types.h> /* This will likely define BYTE_ORDER */