LU-7845 obd: add 'network' client mount option

[fs/lustre-release.git] / lustre / obdclass / cl_internal.h

diff --git a/lustre/obdclass/cl_internal.h b/lustre/obdclass/cl_internal.h
index 578fdc7..79b54d6 100644 (file)
--- a/lustre/obdclass/cl_internal.h
+++ b/lustre/obdclass/cl_internal.h
@@ -1,6 +1,4 @@
-/* -*- 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.
@@ -17,17 +15,15 @@
  *
  * 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.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -43,6 +39,17 @@
 #define CLT_PVEC_SIZE (14)
 
 /**
+ * Possible levels of the nesting. Currently this is 2: there are "top"
+ * entities (files, extent locks), and "sub" entities (stripes and stripe
+ * locks). This is used only for debugging counters right now.
+ */
+enum clt_nesting_level {
+        CNL_TOP,
+        CNL_SUB,
+        CNL_NR
+};
+
+/**
  * Thread local state internal for generic cl-code.
  */
 struct cl_thread_info {
@@ -57,25 +64,6 @@ struct cl_thread_info {
          */
         struct cl_lock_descr clt_descr;
         struct cl_page_list  clt_list;
-        /**
-         * \name debugging.
-         *
-         * Counters used to check correctness of cl_lock interface usage.
-         * @{
-         */
-        /**
-         * Number of outstanding calls to cl_lock_mutex_get() made by the
-         * current thread. For debugging.
-         */
-        int                  clt_nr_locks_locked;
-        /** List of locked locks. */
-        struct lu_ref        clt_locks_locked;
-        /** Number of outstanding holds on the top-level locks. */
-        int                  clt_nr_held;
-        /** Number of outstanding uses on the top-level locks. */
-        int                  clt_nr_used;
-        /** Number of held top-level extent locks. */
-        int                  clt_nr_locks_acquired;
         /** @} debugging */
 
         /*
@@ -90,8 +78,20 @@ struct cl_thread_info {
          * Pointer to the topmost ongoing IO in this thread.
          */
         struct cl_io        *clt_current_io;
+        /**
+         * Used for submitting a sync io.
+         */
+        struct cl_sync_io    clt_anchor;
+        /**
+        * Fields used by cl_lock_discard_pages().
+         */
+        pgoff_t              clt_next_index;
+        pgoff_t              clt_fn_index; /* first non-overlapped index */
 };
 
 struct cl_thread_info *cl_env_info(const struct lu_env *env);
+void cl_page_disown0(const struct lu_env *env,
+                    struct cl_io *io, struct cl_page *pg);
+
 
 #endif /* _CL_INTERNAL_H */