--- src/sys/vfs/ufs/ufs_inode.c	2005/09/17 07:43:12	1.14
+++ src/sys/vfs/ufs/ufs_inode.c	2005/09/29 20:20:59	1.15
@@ -81,7 +81,7 @@ ufs_inactive(struct vop_inactive_args *a
 	 */
 	if (ip == NULL || ip->i_mode == 0)
 		goto out;
-	if (ip->i_nlink <= 0) {
+	if (ip->i_nlink <= 0 && (vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
 #ifdef QUOTA
 		if (!getinoquota(ip))
 			(void)chkiq(ip, -1, NOCRED, FORCE);