MDB_WRITEMAP needs no DSYNC descriptor (me_mfd)

diff --git a/libraries/libmdb/mdb.c b/libraries/libmdb/mdb.c
index 092aa1c..809f62e 100644 (file)
--- a/libraries/libmdb/mdb.c
+++ b/libraries/libmdb/mdb.c
@@ -3163,7 +3163,7 @@ mdb_env_open(MDB_env *env, const char *path, unsigned int flags, mode_t mode)
        }
 
        if ((rc = mdb_env_open2(env, flags)) == MDB_SUCCESS) {
-               if (flags & (MDB_RDONLY|MDB_NOSYNC|MDB_NOMETASYNC)) {
+               if (flags & (MDB_RDONLY|MDB_NOSYNC|MDB_NOMETASYNC|MDB_WRITEMAP)) {
                        env->me_mfd = env->me_fd;
                } else {
                        /* synchronous fd for meta writes */