[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/fs/smbfs/proc.c b/fs/smbfs/proc.c
index a5ced9e..feac460 100644
--- a/fs/smbfs/proc.c
+++ b/fs/smbfs/proc.c
@@ -877,7 +877,7 @@
 		goto out_putf;
 
 	server->sock_file = filp;
-	server->conn_pid = current->pid;
+	server->conn_pid = get_pid(task_pid(current));
 	server->opt = *opt;
 	server->generation += 1;
 	server->state = CONN_VALID;
@@ -971,8 +971,8 @@
 	}
 
 	VERBOSE("protocol=%d, max_xmit=%d, pid=%d capabilities=0x%x\n",
-		server->opt.protocol, server->opt.max_xmit, server->conn_pid,
-		server->opt.capabilities);
+		server->opt.protocol, server->opt.max_xmit,
+		pid_nr(server->conn_pid), server->opt.capabilities);
 
 	/* FIXME: this really should be done by smbmount. */
 	if (server->opt.max_xmit > SMB_MAX_PACKET_SIZE) {