diff --git a/sys/rump/librump/rumpkern/buffercache.c b/sys/rump/librump/rumpkern/buffercache.c
index e58b8c459188..ae06aacdae6d 100644
--- a/sys/rump/librump/rumpkern/buffercache.c
+++ b/sys/rump/librump/rumpkern/buffercache.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: buffercache.c,v 1.2 2007/08/09 08:56:44 pooka Exp $	*/
+/*	$NetBSD: buffercache.c,v 1.3 2007/08/09 09:11:57 pooka Exp $	*/
 
 /*
  * Copyright (c) 2007 Antti Kantee.  All Rights Reserved.
@@ -53,6 +53,7 @@ bread(struct vnode *vp, daddr_t blkno, int size, struct kauth_cred *cred,
 	bp = getblk(vp, blkno, size, 0, 0);
 	bp->b_flags = B_READ;
 	VOP_STRATEGY(vp, bp);
+	bp->b_flags = B_BUSY;
 
 	*bpp = bp;
 	return 0;
diff --git a/sys/rump/librump/rumpkern/genfs.c b/sys/rump/librump/rumpkern/genfs.c
index 45a25abb5808..f7e90a147a3f 100644
--- a/sys/rump/librump/rumpkern/genfs.c
+++ b/sys/rump/librump/rumpkern/genfs.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: genfs.c,v 1.7 2007/08/09 08:56:44 pooka Exp $	*/
+/*	$NetBSD: genfs.c,v 1.8 2007/08/09 09:11:57 pooka Exp $	*/
 
 /*
  * Copyright (c) 2007 Antti Kantee.  All Rights Reserved.
@@ -70,6 +70,16 @@ genfs_directio(struct vnode *vp, struct uio *uio, int ioflag)
 	panic("%s: not implemented", __func__);
 }
 
+int
+genfs_islocked(void *v)
+{
+	struct vop_islocked_args /* {
+		struct vnode *a_vp;
+	} */ *ap = v;
+
+	return lockstatus(ap->a_vp->v_vnlock);
+}
+
 int
 genfs_getpages(void *v)
 {
diff --git a/sys/rump/librump/rumpkern/lock_stub.c b/sys/rump/librump/rumpkern/lock_stub.c
index 45bbfade720c..7bb83158d695 100644
--- a/sys/rump/librump/rumpkern/lock_stub.c
+++ b/sys/rump/librump/rumpkern/lock_stub.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: lock_stub.c,v 1.3 2007/08/09 08:56:45 pooka Exp $	*/
+/*	$NetBSD: lock_stub.c,v 1.4 2007/08/09 09:11:57 pooka Exp $	*/
 
 /*
  * Copyright (c) 2007 Antti Kantee.  All Rights Reserved.
@@ -52,7 +52,7 @@ int
 lockstatus(struct lock *lock)
 {
 
-	return 0;
+	return LK_EXCLUSIVE;
 }
 
 void
diff --git a/sys/rump/librump/rumpkern/vfsops_stub.c b/sys/rump/librump/rumpkern/vfsops_stub.c
index 90358a36e25d..c9a267a65ebb 100644
--- a/sys/rump/librump/rumpkern/vfsops_stub.c
+++ b/sys/rump/librump/rumpkern/vfsops_stub.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: vfsops_stub.c,v 1.2 2007/08/08 14:07:35 pooka Exp $	*/
+/*	$NetBSD: vfsops_stub.c,v 1.3 2007/08/09 09:11:57 pooka Exp $	*/
 
 /*
  * Copyright (c) 2007 Antti Kantee.  All Rights Reserved.
@@ -81,7 +81,6 @@ VFSSTUB(genfs_compat_getpages)
 
 VFSSTUB_RV(genfs_lock, 0)
 VFSSTUB_RV(genfs_unlock, 0)
-VFSSTUB_RV(genfs_islocked, 1)
 VFSSTUB_RV(genfs_nullop, 0)
 VFSSTUB_RV(genfs_eopnotsupp, EOPNOTSUPP)
 VFSSTUB_RV(genfs_enoioctl, EPASSTHROUGH)