static int echo_page_is_vmlocked(const struct lu_env *env,
const struct cl_page_slice *slice)
{
- return cfs_mutex_is_locked(&cl2echo_page(slice)->ep_lock);
+ if (cfs_mutex_is_locked(&cl2echo_page(slice)->ep_lock))
+ return -EBUSY;
+ return -ENODATA;
}
static void echo_page_completion(const struct lu_env *env,