diff --git a/sys/kern/vfs_default.c b/sys/kern/vfs_default.c
--- a/sys/kern/vfs_default.c
+++ b/sys/kern/vfs_default.c
@@ -93,7 +93,6 @@
 static int vop_stdread_pgcache(struct vop_read_pgcache_args *ap);
 static int vop_stdstat(struct vop_stat_args *ap);
 static int vop_stdvput_pair(struct vop_vput_pair_args *ap);
-static int vop_stddeallocate(struct vop_deallocate_args *ap);
 
 /*
  * This vnode table stores what we want to do if the filesystem doesn't
@@ -1126,7 +1125,7 @@
 	return (error);
 }
 
-static int
+int
 vop_stddeallocate(struct vop_deallocate_args *ap)
 {
 	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
@@ -861,6 +861,7 @@
 int	vop_stdadvlockasync(struct vop_advlockasync_args *ap);
 int	vop_stdadvlockpurge(struct vop_advlockpurge_args *ap);
 int	vop_stdallocate(struct vop_allocate_args *ap);
+int	vop_stddeallocate(struct vop_deallocate_args *ap);
 int	vop_stdset_text(struct vop_set_text_args *ap);
 int	vop_stdpathconf(struct vop_pathconf_args *);
 int	vop_stdpoll(struct vop_poll_args *);