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, 1 insertions, 3 deletions

diff --git a/proc.h b/proc.h
index 7a04cd5..01bff4a 100644
--- a/proc.h
+++ b/proc.h
@@ -37,7 +37,7 @@ struct proc {
   void *chan;               // If non-zero, sleeping on chan
   int killed;               // If non-zero, have been killed
   struct file *ofile[NOFILE];  // Open files
-  struct inode *cwd;        // Current directory
+  struct uinode *cwd;       // Current directory
   struct jmpbuf jmpbuf;     // Jump here to run process
   struct trapframe *tf;     // Trap frame for current interrupt
   char name[16];            // Process name (debugging)
@@ -49,8 +49,6 @@ struct proc {
 //   fixed-size stack
 //   expandable heap
 
-extern struct proc proc[];
-
 // If xv6 was only for uniprocessors, this could be
 //   struct proc *cp;
 // Instead we have an array curproc, one per