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Simplify the time compatibility wrappers

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Many of the time functions had grown overly complex in order to
handle kernel compatibility issues.  However, as of Linux 2.6.26
all the required functionality is available.  This allows us to
retire numerous configure checks and greatly simplify the time
compatibility wrappers.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf
2014-09-30 18:48:25 -04:00
parent 87f8055a91
commit 82f2f1a3af
7 changed files with 36 additions and 279 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/linux/Makefile.am
-1
View File
@@ -15,7 +15,6 @@ KERNEL_H = \
$(top_srcdir)/include/linux/rwsem_compat.h \
$(top_srcdir)/include/linux/smp_compat.h \
$(top_srcdir)/include/linux/sysctl_compat.h \
$(top_srcdir)/include/linux/time_compat.h \
$(top_srcdir)/include/linux/uaccess_compat.h \
$(top_srcdir)/include/linux/wait_compat.h \
$(top_srcdir)/include/linux/zlib_compat.h
include/linux/time_compat.h
-45
View File
@@ -1,45 +0,0 @@
/*****************************************************************************\
* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
* Copyright (C) 2007 The Regents of the University of California.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* UCRL-CODE-235197
*
* This file is part of the SPL, Solaris Porting Layer.
* For details, see <http://zfsonlinux.org/>.
*
* The SPL is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* The SPL 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
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with the SPL. If not, see <http://www.gnu.org/licenses/>.
\*****************************************************************************/
#ifndef _SPL_TIME_COMPAT_H
#define _SPL_TIME_COMPAT_H
#include <linux/time.h>
/* timespec_sub() API changes
* 2.6.18 - 2.6.x: Inline function provided by linux/time.h
*/
#ifndef HAVE_TIMESPEC_SUB
static inline struct timespec
timespec_sub(struct timespec lhs, struct timespec rhs)
{
struct timespec ts_delta;
set_normalized_timespec(&ts_delta, lhs.tv_sec - rhs.tv_sec,
lhs.tv_nsec - rhs.tv_nsec);
return ts_delta;
}
#endif /* HAVE_TIMESPEC_SUB */
#endif /* _SPL_TIME_COMPAT_H */