Update docs.

[pintos-anon] / doc / filesys.texi

diff --git a/doc/filesys.texi b/doc/filesys.texi
index 804c5a7344c2d8e8f695d8d8a1f0f93e68d50aa5..7f739bfaadd1dd2d20ce76744cd271a111b55869 100644 (file)
--- a/doc/filesys.texi
+++ b/doc/filesys.texi
@@ -21,6 +21,9 @@ parts work together so that you can run VM and your filesystem at the
 same time.  Plus, keeping VM is a great way to stress-test your
 filesystem implementation.
 
+Your submission should define @code{THREAD_JOIN_IMPLEMENTED} in
+@file{constants.h} (@pxref{Conditional Compilation}).
+
 FIXME FIXME FIXME
 The first step is to understand the default filesystem provided by the
 base code.