LU-3321 clio: add pages into writeback cache in batch

[fs/lustre-release.git] / lustre / obdclass / cl_page.c

diff --git a/lustre/obdclass/cl_page.c b/lustre/obdclass/cl_page.c
index 0f02723..dc4037b 100644 (file)
--- a/lustre/obdclass/cl_page.c
+++ b/lustre/obdclass/cl_page.c
@@ -1106,46 +1106,6 @@ int cl_page_make_ready(const struct lu_env *env, struct cl_page *pg,
 EXPORT_SYMBOL(cl_page_make_ready);
 
 /**
- * Notify layers that high level io decided to place this page into a cache
- * for future transfer.
- *
- * The layer implementing transfer engine (osc) has to register this page in
- * its queues.
- *
- * \pre  cl_page_is_owned(pg, io)
- * \post cl_page_is_owned(pg, io)
- *
- * \see cl_page_operations::cpo_cache_add()
- */
-int cl_page_cache_add(const struct lu_env *env, struct cl_io *io,
-                      struct cl_page *pg, enum cl_req_type crt)
-{
-       const struct cl_page_slice *scan;
-       int result = 0;
-
-       PINVRNT(env, pg, crt < CRT_NR);
-       PINVRNT(env, pg, cl_page_is_owned(pg, io));
-       PINVRNT(env, pg, cl_page_invariant(pg));
-
-       ENTRY;
-
-       if (crt >= CRT_NR)
-               RETURN(-EINVAL);
-
-       cfs_list_for_each_entry(scan, &pg->cp_layers, cpl_linkage) {
-               if (scan->cpl_ops->io[crt].cpo_cache_add == NULL)
-                       continue;
-
-               result = scan->cpl_ops->io[crt].cpo_cache_add(env, scan, io);
-               if (result != 0)
-                       break;
-       }
-       CL_PAGE_HEADER(D_TRACE, env, pg, "%d %d\n", crt, result);
-       RETURN(result);
-}
-EXPORT_SYMBOL(cl_page_cache_add);
-
-/**
  * Called if a pge is being written back by kernel's intention.
  *
  * \pre  cl_page_is_owned(pg, io)