Add three new VOPs: VOP_CREATEVOBJECT, VOP_DESTROYVOBJECT and VOP_GETVOBJECT.

They will be used by nullfs and other stacked filesystems to support full
cache coherency.

Reviewed in general by:	mckusick, dillon

1 files changed, 24 insertions, 0 deletions

diff --git a/sys/kern/vnode_if.src b/sys/kern/vnode_if.src
index 9ccba54..7a6d8ae 100644
--- a/sys/kern/vnode_if.src
+++ b/sys/kern/vnode_if.src
@@ -555,3 +555,27 @@ vop_setextattr {
 	IN struct ucred *cred;
 	IN struct proc *p;
 };
+
+#
+#% createvobject	vp	L L L
+#
+vop_createvobject {
+	IN struct vnode *vp;
+	IN struct ucred *cred;
+	IN struct proc *p;
+};
+
+#
+#% destroyvobject	vp	L L L
+#
+vop_destroyvobject {
+	IN struct vnode *vp;
+};
+
+#
+#% getvobject	vp	L L L
+#
+vop_getvobject {
+	IN struct vnode *vp;
+	OUT struct vm_object **objpp;
+};