Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / lustre / lustre / ldlm / ldlm_inodebits.c

diff --git a/kernel/drivers/staging/lustre/lustre/ldlm/ldlm_inodebits.c b/kernel/drivers/staging/lustre/lustre/ldlm/ldlm_inodebits.c
new file mode 100644 (file)
index 0000000..40d3338
--- /dev/null
+++ b/kernel/drivers/staging/lustre/lustre/ldlm/ldlm_inodebits.c
@@ -0,0 +1,74 @@
+/*
+ * 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) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/ldlm/ldlm_inodebits.c
+ *
+ * Author: Peter Braam <braam@clusterfs.com>
+ * Author: Phil Schwan <phil@clusterfs.com>
+ */
+
+/**
+ * This file contains implementation of IBITS lock type
+ *
+ * IBITS lock type contains a bit mask determining various properties of an
+ * object. The meanings of specific bits are specific to the caller and are
+ * opaque to LDLM code.
+ *
+ * Locks with intersecting bitmasks and conflicting lock modes (e.g.  LCK_PW)
+ * are considered conflicting.  See the lock mode compatibility matrix
+ * in lustre_dlm.h.
+ */
+
+#define DEBUG_SUBSYSTEM S_LDLM
+
+#include "../include/lustre_dlm.h"
+#include "../include/obd_support.h"
+#include "../include/lustre_lib.h"
+#include "ldlm_internal.h"
+
+
+void ldlm_ibits_policy_wire_to_local(const ldlm_wire_policy_data_t *wpolicy,
+                                    ldlm_policy_data_t *lpolicy)
+{
+       memset(lpolicy, 0, sizeof(*lpolicy));
+       lpolicy->l_inodebits.bits = wpolicy->l_inodebits.bits;
+}
+
+void ldlm_ibits_policy_local_to_wire(const ldlm_policy_data_t *lpolicy,
+                                    ldlm_wire_policy_data_t *wpolicy)
+{
+       memset(wpolicy, 0, sizeof(*wpolicy));
+       wpolicy->l_inodebits.bits = lpolicy->l_inodebits.bits;
+}