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// SPDX-License-Identifier: GPL-2.0
/*
* 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) 2008, 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.
*
* libcfs/include/libcfs/libcfs_time.h
*
* Time functions.
*
*/
#ifndef __LIBCFS_TIME_H__
#define __LIBCFS_TIME_H__
/*
* generic time manipulation functions.
*/
static inline unsigned long cfs_time_add(unsigned long t, long d)
{
return (unsigned long)(t + d);
}
static inline unsigned long cfs_time_sub(unsigned long t1, unsigned long t2)
{
return (unsigned long)(t1 - t2);
}
static inline int cfs_time_after(unsigned long t1, unsigned long t2)
{
return time_before(t2, t1);
}
static inline int cfs_time_aftereq(unsigned long t1, unsigned long t2)
{
return time_before_eq(t2, t1);
}
static inline unsigned long cfs_time_shift(int seconds)
{
return cfs_time_add(cfs_time_current(), seconds * HZ);
}
/*
* return valid time-out based on user supplied one. Currently we only check
* that time-out is not shorted than allowed.
*/
static inline long cfs_timeout_cap(long timeout)
{
if (timeout < CFS_TICK)
timeout = CFS_TICK;
return timeout;
}
#endif
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