Recommend integrating cache early.

[pintos-anon] / doc / filesys.texi

diff --git a/doc/filesys.texi b/doc/filesys.texi
index 32a6e8885d139df9f0457753ce66c7dbf17dce49..47b9e282ae65bb79737fe8fe10a6f95db7be5342 100644 (file)
--- a/doc/filesys.texi
+++ b/doc/filesys.texi
@@ -17,7 +17,7 @@ extra credit is available if you do build on project 3.
 @menu
 * Project 4 Background::        
 * Project 4 Requirements::      
-* File System FAQ::             
+* Project 4 FAQ::             
 @end menu
 
 @node Project 4 Background
@@ -261,6 +261,11 @@ return to the process immediately.  The read-ahead request for disk
 block 2 should be handled asynchronously, in the background.
 @end table
 
+@strong{We recommend integrating the cache into your design early.}  In
+the past, many groups have tried to tack the cache onto a design late in
+the design process.  This is very difficult.  These groups have often
+turned in projects that failed most or all of the tests.
+
 @node File System Synchronization
 @subsection Synchronization
 
@@ -297,7 +302,7 @@ if B's data is all nonzero bytes, A is not allowed to see any zeros.
 Operations on different directories should take place concurrently.
 Operations on the same directory may wait for one another.
 
-@node File System FAQ
+@node Project 4 FAQ
 @section FAQ
 
 @table @b