/* * 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.gnu.org/licenses/gpl-2.0.html * * 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 * Author: Phil Schwan */ /** * 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 union ldlm_wire_policy_data *wpolicy, union ldlm_policy_data *lpolicy) { lpolicy->l_inodebits.bits = wpolicy->l_inodebits.bits; } void ldlm_ibits_policy_local_to_wire(const union ldlm_policy_data *lpolicy, union ldlm_wire_policy_data *wpolicy) { memset(wpolicy, 0, sizeof(*wpolicy)); wpolicy->l_inodebits.bits = lpolicy->l_inodebits.bits; }