--- src/sys/kern/vfs_cluster.c	2005/08/03 16:36:33	1.14
+++ src/sys/kern/vfs_cluster.c	2006/02/28 22:04:01	1.14.2.1
@@ -854,10 +854,7 @@ cluster_wbuild(struct vnode *vp, long si
 				tbp->b_flags &= ~B_DONE;
 				crit_exit();
 			} /* end of code for non-first buffers only */
-			/* check for latent dependencies to be handled */
-			if ((LIST_FIRST(&tbp->b_dep)) != NULL &&
-			    bioops.io_start)
-				(*bioops.io_start)(tbp);
+
 			/*
 			 * If the IO is via the VM then we do some
 			 * special VM hackery (yuck).  Since the buffer's
@@ -903,6 +900,11 @@ cluster_wbuild(struct vnode *vp, long si
 			BUF_KERNPROC(tbp);
 			TAILQ_INSERT_TAIL(&bp->b_cluster.cluster_head,
 				tbp, b_cluster.cluster_entry);
+
+			/* check for latent dependencies to be handled */
+			if ((LIST_FIRST(&tbp->b_dep)) != NULL &&
+			    bioops.io_start)
+				(*bioops.io_start)(tbp);
 		}
 	finishcluster:
 		pmap_qenter(trunc_page((vm_offset_t) bp->b_data),