diff --git a/Dir.zig b/Dir.zig
index 5daac58151cc9569be50800cba8da1c17c100789..02b3bdec50da70d7cfa7bb58f06a377ca3ac7ec6 100644
--- a/Dir.zig
+++ b/Dir.zig
@@ -8,6 +8,11 @@ const Dir = @This();
 
 const os = builtin.target.os.tag;
 
+const sys = switch (os) {
+    .linux => sys_linux,
+    else => unreachable,
+};
+
 fd: nfs.Handle,
 
 // Resource allocation may fail; resource deallocation must succeed.
@@ -105,3 +110,7 @@ pub fn makeOpenPath(self: Dir, sub_path: [:0]const u8, flags: OpenDirFlags) !Dir
         else => |e| return e,
     };
 }
+
+pub fn readlink(self: Dir, noalias sub_path: [:0]const u8, noalias buf: []u8) ![:0]u8 {
+    return sys.readlinkat(@intFromEnum(self.fd), sub_path, buf);
+}