LU-16367 misc: remove deprecated code

[fs/lustre-release.git] / lustre / ofd / ofd_dev.c

diff --git a/lustre/ofd/ofd_dev.c b/lustre/ofd/ofd_dev.c
index 5848454..cb1ac93 100644 (file)
--- a/lustre/ofd/ofd_dev.c
+++ b/lustre/ofd/ofd_dev.c
@@ -710,55 +710,6 @@ static const struct lu_device_operations ofd_lu_ops = {
        .ldo_prepare            = ofd_prepare,
 };
 
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
-/**
- * Expose OSD statistics to OFD layer.
- *
- * The osd interfaces to the backend file system exposes useful data
- * such as brw_stats and read or write cache states. This same data
- * needs to be exposed into the obdfilter (ofd) layer to maintain
- * backwards compatibility. This function creates the symlinks in the
- * proc layer to enable this.
- *
- * \param[in] ofd      OFD device
- */
-static void ofd_procfs_add_brw_stats_symlink(struct ofd_device *ofd)
-{
-       struct obd_device *obd = ofd_obd(ofd);
-       struct obd_device *osd_obd = ofd->ofd_osd_exp->exp_obd;
-       const struct kobj_type *osd_type;
-       int i;
-
-       osd_type = get_ktype(&ofd->ofd_osd->dd_kobj);
-       for (i = 0; osd_type->default_attrs[i]; i++) {
-               if (strcmp(osd_type->default_attrs[i]->name,
-                          "read_cache_enable") == 0) {
-                       ofd->ofd_read_cache_enable =
-                               osd_type->default_attrs[i];
-               }
-
-               if (strcmp(osd_type->default_attrs[i]->name,
-                          "readcache_max_filesize") == 0) {
-                       ofd->ofd_read_cache_max_filesize =
-                               osd_type->default_attrs[i];
-               }
-
-               if (strcmp(osd_type->default_attrs[i]->name,
-                          "writethrough_cache_enable") == 0) {
-                       ofd->ofd_write_cache_enable =
-                               osd_type->default_attrs[i];
-               }
-       }
-
-       if (obd->obd_proc_entry == NULL)
-               return;
-
-       lprocfs_add_symlink("brw_stats", obd->obd_proc_entry,
-                           "../../%s/%s/brw_stats",
-                           osd_obd->obd_type->typ_name, obd->obd_name);
-}
-#endif
-
 /**
  * Cleanup all procfs entries in OFD.
  *
@@ -3061,10 +3012,6 @@ static int ofd_init0(const struct lu_env *env, struct ofd_device *m,
                RETURN(rc);
        }
 
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
-       ofd_procfs_add_brw_stats_symlink(m);
-#endif
-
        snprintf(info->fti_u.name, sizeof(info->fti_u.name), "%s-%s",
                 "filter"/*LUSTRE_OST_NAME*/, obd->obd_uuid.uuid);
        m->ofd_namespace = ldlm_namespace_new(obd, info->fti_u.name,