LU-1303 lod: introduce lod device

[fs/lustre-release.git] / lustre / ost / ost_internal.h

diff --git a/lustre/ost/ost_internal.h b/lustre/ost/ost_internal.h
index ecc977a..ff77a52 100644 (file)
--- a/lustre/ost/ost_internal.h
+++ b/lustre/ost/ost_internal.h
@@ -1,15 +1,41 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
  */
 
 #ifndef OST_INTERNAL_H
 #define OST_INTERNAL_H
 
-#ifdef LPROCFS
-extern void ost_print_req(void *seq_file, struct ptlrpc_request *req);
-#else
-# define ost_print_req NULL
-#endif
+#define OSS_SERVICE_WATCHDOG_FACTOR 2
 
 /*
  * tunables for per-thread page pool (bug 5137)
@@ -28,11 +54,10 @@ struct ptlrpc_request;
  */
 struct ost_thread_local_cache {
         /*
-         * pool of pages and nio buffers used by write-path
+         * pool of nio buffers used by write-path
          */
-        struct page          *page  [OST_THREAD_POOL_SIZE];
-        struct niobuf_local   local [OST_THREAD_POOL_SIZE];
-        struct niobuf_remote  remote[OST_THREAD_POOL_SIZE];
+        struct niobuf_local   local[OST_THREAD_POOL_SIZE];
+        unsigned int          temporary:1;
 };
 
 struct ost_thread_local_cache *ost_tls(struct ptlrpc_request *r);
@@ -40,4 +65,29 @@ struct ost_thread_local_cache *ost_tls(struct ptlrpc_request *r);
 /* Quota stuff */
 extern quota_interface_t *quota_interface;
 
+#ifdef LPROCFS
+void lprocfs_ost_init_vars(struct lprocfs_static_vars *lvars);
+#else
+static void lprocfs_ost_init_vars(struct lprocfs_static_vars *lvars)
+{
+        memset(lvars, 0, sizeof(*lvars));
+}
+#endif
+
+/* Here "ostid" maybe part of "oa", the return value of "ostid_id()" depends on
+ * the original "ostid->oi_seq", which maybe changed by the assignment of
+ * "oa->o_seq = ostid_seq(ostid)", so keep the order of setting "oa->o_id" and
+ * "oa->o_seq". */
+static inline void obdo_from_ostid(struct obdo *oa, struct ost_id *ostid)
+{
+        oa->o_id  = ostid_id(ostid);
+        oa->o_seq = ostid_seq(ostid);
+}
+
+static inline void ioobj_from_obdo(struct obd_ioobj *ioobj, struct obdo *oa)
+{
+        ioobj->ioo_id  = oa->o_id;
+        ioobj->ioo_seq = oa->o_seq;
+}
+
 #endif /* OST_INTERNAL_H */