// Metadata read
        public override int Access(ReadOnlySpan <byte> path, mode_t mode, Guid fileGuid)
        {
            path = base.TransformPath(path);

            if (debug)
            {
                Console.WriteLine($"NeoFS::Access({RawDirs.HR(path)},{mode}");
            }

            var res = LibC.access(toBp(path), (int)mode);

            if (res < 0)
            {
                return(-LibC.errno);
            }

            return(0); // base.Access(path, mode);
        }