PDF at http://am.lcs.mit.edu/~rsc/xv6.pdf

Various changes made while offline.

 + bwrite sector argument is redundant; use b->sector.
 + reformatting of files for nicer PDF page breaks
 + distinguish between locked, unlocked inodes in type signatures
 + change FD_FILE to FD_INODE
 + move userinit (nee proc0init) to proc.c
 + move ROOTDEV to param.h
 + always parenthesize sizeof argument

1 files changed, 2 insertions, 2 deletions

diff --git a/file.h b/file.h
index 15d6b78..d864793 100644
--- a/file.h
+++ b/file.h
@@ -1,9 +1,9 @@
 struct file {
-  enum { FD_CLOSED, FD_NONE, FD_PIPE, FD_FILE } type;
+  enum { FD_CLOSED, FD_NONE, FD_PIPE, FD_INODE } type;
   int ref; // reference count
   char readable;
   char writable;
   struct pipe *pipe;
-  struct inode *ip;
+  struct uinode *ip;
   uint off;
 };