diff --git a/sys/fs/ext2fs/ext2_vfsops.c b/sys/fs/ext2fs/ext2_vfsops.c
--- a/sys/fs/ext2fs/ext2_vfsops.c
+++ b/sys/fs/ext2fs/ext2_vfsops.c
@@ -1345,7 +1345,7 @@
 		return (ESTALE);
 	}
 	*vpp = nvp;
-	vnode_create_vobject(*vpp, 0, curthread);
+	vnode_create_vobject(*vpp, ip->i_size, curthread);
 	return (0);
 }
 
diff --git a/sys/fs/fuse/fuse_node.c b/sys/fs/fuse/fuse_node.c
--- a/sys/fs/fuse/fuse_node.c
+++ b/sys/fs/fuse/fuse_node.c
@@ -354,7 +354,7 @@
 fuse_vnode_open(struct vnode *vp, int32_t fuse_open_flags, struct thread *td)
 {
 	if (vnode_vtype(vp) == VREG)
-		vnode_create_vobject(vp, 0, td);
+		vnode_create_vobject(vp, VNODE_NO_SIZE, td);
 }
 
 int
diff --git a/sys/fs/fuse/fuse_vfsops.c b/sys/fs/fuse/fuse_vfsops.c
--- a/sys/fs/fuse/fuse_vfsops.c
+++ b/sys/fs/fuse/fuse_vfsops.c
@@ -286,7 +286,7 @@
 		return (ESTALE);
 	}
 	*vpp = nvp;
-	vnode_create_vobject(*vpp, 0, curthread);
+	vnode_create_vobject(*vpp, VNODE_NO_SIZE, curthread);
 	return (0);
 }
 
diff --git a/sys/sys/vnode.h b/sys/sys/vnode.h
--- a/sys/sys/vnode.h
+++ b/sys/sys/vnode.h
@@ -1081,6 +1081,12 @@
 	vref(vp);							\
 } while (0)
 
+/*
+ * The caller doesn't know the file size and vnode_create_vobject() should
+ * determine the size on its own.
+ */
+#define	VNODE_NO_SIZE	((off_t)-1)
+
 int vnode_create_vobject(struct vnode *vp, off_t size, struct thread *td);
 void vnode_destroy_vobject(struct vnode *vp);
 
diff --git a/sys/vm/vnode_pager.c b/sys/vm/vnode_pager.c
--- a/sys/vm/vnode_pager.c
+++ b/sys/vm/vnode_pager.c
@@ -161,12 +161,13 @@
 		return (0);
 
 	if (size == 0) {
-		if (vn_isdisk(vp)) {
+		if (vn_isdisk(vp))
 			size = IDX_TO_OFF(INT_MAX);
-		} else {
-			if (vn_getsize_locked(vp, &size, td->td_ucred) != 0)
-				return (0);
-		}
+		else if (vn_getsize_locked(vp, &size, td->td_ucred) != 0)
+			return (0);
+	} else if (isize == VNODE_NO_SIZE) {
+		if (vn_getsize_locked(vp, &size, td->td_ucred) != 0)
+			return (0);
 	}
 
 	object = vnode_pager_alloc(vp, size, 0, 0, td->td_ucred);