[PATCH] smbfs: Make conn_pid a struct pid

smbfs keeps track of the user space server process in conn_pid.  This converts
that track to use a struct pid instead of pid_t.  This keeps us safe from pid
wrap around issues and prepares the way for the pid namespace.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/smb_fs_sb.h b/include/linux/smb_fs_sb.h
index 5b4ae2c..3aa97aa 100644
--- a/include/linux/smb_fs_sb.h
+++ b/include/linux/smb_fs_sb.h
@@ -55,7 +55,7 @@
 	 * generation is incremented.
 	 */
 	unsigned int generation;
-	pid_t conn_pid;
+	struct pid *conn_pid;
 	struct smb_conn_opt opt;
 	wait_queue_head_t conn_wq;
 	int conn_complete;