LU-13134 obdclass: use slab allocation for cl_dio_aio

[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..8ef48ef 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, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -40,58 +36,20 @@
 #ifndef _CL_INTERNAL_H
 #define _CL_INTERNAL_H
 
-#define CLT_PVEC_SIZE (14)
-
 /**
  * Thread local state internal for generic cl-code.
  */
 struct cl_thread_info {
-        /*
-         * Common fields.
-         */
-        struct cl_io         clt_io;
-        struct cl_2queue     clt_queue;
-
-        /*
-         * Fields used by cl_lock.c
-         */
-        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 */
-
-        /*
-         * Fields used by cl_page.c
-         */
-        struct cl_page      *clt_pvec[CLT_PVEC_SIZE];
-
-        /*
-         * Fields used by cl_io.c
-         */
-        /**
-         * Pointer to the topmost ongoing IO in this thread.
-         */
-        struct cl_io        *clt_current_io;
+       /**
+        * Used for submitting a sync I/O.
+        */
+       struct cl_sync_io clt_anchor;
 };
 
+extern struct kmem_cache *cl_dio_aio_kmem;
+
 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 */