Per discussion at BSDCon, note that the vop_getattr locking protocol

should require a shared lock, rather than an exclusive lock, which can
improve performance.  No actual code change here, since a number of
VFS locking fixes are in the works.

sys/kern/vnode_if.src

@@ -152,7 +152,7 @@ vop_access {
 #
 #% getattr	vp	= = =
 #
-# XXX: This should be L L L
+# XXX: This should be A A A
 #
 vop_getattr {
 	IN struct vnode *vp;