--- src/sys/vfs/ufs/ffs_inode.c	2004/08/24 14:01:57	1.12
+++ src/sys/vfs/ufs/ffs_inode.c	2005/03/08 17:47:04	1.13
@@ -193,6 +193,7 @@ ffs_truncate(struct vnode *vp, off_t len
 #endif
 			softdep_setup_freeblocks(oip, length);
 			vinvalbuf(ovp, 0, td, 0, 0);
+			vnode_pager_setsize(ovp, 0);
 			oip->i_flag |= IN_CHANGE | IN_UPDATE;
 			return (ffs_update(ovp, 0));
 		}