LU-3321 clio: optimize read ahead code

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

diff --git a/lustre/include/cl_object.h b/lustre/include/cl_object.h
index 72cf6ca..7dfb8d9 100644 (file)
--- a/lustre/include/cl_object.h
+++ b/lustre/include/cl_object.h
@@ -928,8 +928,8 @@ struct cl_page_operations {
          * \see cl_page_is_under_lock()
          */
         int (*cpo_is_under_lock)(const struct lu_env *env,
-                                 const struct cl_page_slice *slice,
-                                 struct cl_io *io);
+                                const struct cl_page_slice *slice,
+                                struct cl_io *io, pgoff_t *max);
 
         /**
          * Optional debugging helper. Prints given page slice.
@@ -2664,8 +2664,8 @@ static inline void cl_device_fini(struct cl_device *d)
 }
 
 void cl_page_slice_add(struct cl_page *page, struct cl_page_slice *slice,
-                       struct cl_object *obj,
-                       const struct cl_page_operations *ops);
+                      struct cl_object *obj, pgoff_t index,
+                      const struct cl_page_operations *ops);
 void cl_lock_slice_add(struct cl_lock *lock, struct cl_lock_slice *slice,
                        struct cl_object *obj,
                        const struct cl_lock_operations *ops);
@@ -2823,7 +2823,7 @@ int     cl_page_is_vmlocked  (const struct lu_env *env,
 void    cl_page_export       (const struct lu_env *env,
                               struct cl_page *pg, int uptodate);
 int     cl_page_is_under_lock(const struct lu_env *env, struct cl_io *io,
-                              struct cl_page *page);
+                             struct cl_page *page, pgoff_t *max_index);
 loff_t  cl_offset            (const struct cl_object *obj, pgoff_t idx);
 pgoff_t cl_index             (const struct cl_object *obj, loff_t offset);
 int     cl_page_size         (const struct cl_object *obj);