v_inval_buf_range_locked
static int v_inval_buf_range_locked(struct vnode *vp, struct bufobj *bo,
while (v_inval_buf_range_locked(vp, bo, startlbn, INT64_MAX) == EAGAIN)
while (v_inval_buf_range_locked(vp, bo, startlbn, endlbn) == EAGAIN)