diff --git a/sys/kern/vnode_if.src b/sys/kern/vnode_if.src
--- a/sys/kern/vnode_if.src
+++ b/sys/kern/vnode_if.src
@@ -242,8 +242,8 @@
 
 
 %% write	vp	L L L
-%! write	pre	VOP_WRITE_PRE
-%! write	post	VOP_WRITE_POST
+%! write	pre	vop_write_pre
+%! write	post	vop_write_post
 
 vop_write {
 	IN struct vnode *vp;
diff --git a/sys/sys/vnode.h b/sys/sys/vnode.h
--- a/sys/sys/vnode.h
+++ b/sys/sys/vnode.h
@@ -1042,7 +1042,7 @@
 	}								\
 } while (0)
 
-#define	VOP_WRITE_PRE(ap)						\
+#define	vop_write_pre(ap)						\
 	struct vattr va;						\
 	int error;							\
 	off_t osize, ooffset, noffset;					\
@@ -1056,7 +1056,7 @@
 		osize = (off_t)va.va_size;				\
 	}
 
-#define VOP_WRITE_POST(ap, ret)						\
+#define vop_write_post(ap, ret)						\
 	noffset = (ap)->a_uio->uio_offset;				\
 	if (noffset > ooffset) {					\
 		if (!VN_KNLIST_EMPTY((ap)->a_vp)) {			\