Update docs to say that a pointer to an inode should not limit you to

64 open files.

diff --git a/doc/filesys.texi b/doc/filesys.texi
index 1f10143cfaf9030a977df98e7bb71cae6306acf0..f2c7da9159880a3e0d0d11fac9dd6989c26b126b 100644 (file)
--- a/doc/filesys.texi
+++ b/doc/filesys.texi
@@ -424,8 +424,10 @@ corresponding sector from disk when it's created.  Keeping extra
 copies of inodes would subvert the 64-block limitation that we place
 on your cache.
 
-You can store a pointer to inode data in @struct{inode}, if you want,
-and you can store other information to help you find the inode when you
+You can store a pointer to inode data in @struct{inode}, but it you do
+so you should carefully make sure that this does not limit your OS to 64
+simultaneously open files.
+You can also store other information to help you find the inode when you
 need it.  Similarly, you may store some metadata along each of your 64
 cache entries.