/* -*- 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) 2002, 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 _LINUX_LL_H
#include <linux/lustre_compat25.h>
#include <linux/pagemap.h>
+#ifdef HAVE_PERCPU_COUNTER
+#include <linux/percpu_counter.h>
+
+typedef struct percpu_counter lcounter_t;
+
+#define lcounter_read(counter) (int)percpu_counter_read(counter)
+#define lcounter_inc(counter) percpu_counter_inc(counter)
+#define lcounter_dec(counter) percpu_counter_dec(counter)
+
+#ifdef HAVE_PERCPU_2ND_ARG
+# define lcounter_init(counter) percpu_counter_init(counter, 0)
+#else
+# define lcounter_init(counter) percpu_counter_init(counter)
+#endif
+
+#define lcounter_destroy(counter) percpu_counter_destroy(counter)
+
+#else
+typedef struct { cfs_atomic_t count; } lcounter_t;
+
+#define lcounter_read(counter) cfs_atomic_read(&counter->count)
+#define lcounter_inc(counter) cfs_atomic_inc(&counter->count)
+#define lcounter_dec(counter) cfs_atomic_dec(&counter->count)
+#define lcounter_init(counter) cfs_atomic_set(&counter->count, 0)
+#define lcounter_destroy(counter)
+
+#endif /* if defined HAVE_PERCPU_COUNTER */
+
/* lprocfs.c */
enum {
LPROC_LL_DIRTY_HITS = 0,
LPROC_LL_WRITE_BYTES,
LPROC_LL_BRW_READ,
LPROC_LL_BRW_WRITE,
+ LPROC_LL_OSC_READ,
+ LPROC_LL_OSC_WRITE,
LPROC_LL_IOCTL,
LPROC_LL_OPEN,
LPROC_LL_RELEASE,