LU-1650 obdclass: find the lock by index of subpage

[fs/lustre-release.git] / lustre / include / cl_object.h

diff --git a/lustre/include/cl_object.h b/lustre/include/cl_object.h
index b4f7917..64370c2 100644 (file)
--- a/lustre/include/cl_object.h
+++ b/lustre/include/cl_object.h
@@ -2871,6 +2871,7 @@ static inline struct cl_lock *cl_lock_at_page(const struct lu_env *env,
                                              struct cl_lock *except,
                                              int pending, int canceld)
 {
+       LASSERT(cl_object_header(obj) == cl_object_header(page->cp_obj));
        return cl_lock_at_pgoff(env, obj, page->cp_index, except,
                                pending, canceld);
 }