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Remove on_each_cpu() wrapper

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The on_each_cpu() function has been available since Linux 2.6.27.
There is no longer a need to maintain this compatibility code.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf 2014-10-01 17:35:41 -04:00
parent b652d169b0
commit 50e41ab1e1
5 changed files with 1 additions and 66 deletions
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23
config/spl-build.m4
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@ -29,7 +29,6 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [
SPL_AC_PDE_DATA
SPL_AC_MUTEX_OWNER
SPL_AC_MUTEX_OWNER_TASK_STRUCT
SPL_AC_3ARGS_ON_EACH_CPU
SPL_AC_KALLSYMS_LOOKUP_NAME
SPL_AC_GET_VMALLOC_INFO
SPL_AC_PGDAT_HELPERS
@ -972,28 +971,6 @@ AC_DEFUN([SPL_AC_MUTEX_OWNER_TASK_STRUCT], [
EXTRA_KCFLAGS="$tmp_flags"
])
dnl #
dnl # 2.6.27 API change,
dnl # on_each_cpu() uses 3 args, no 'retry' argument
dnl #
AC_DEFUN([SPL_AC_3ARGS_ON_EACH_CPU], [
AC_MSG_CHECKING([whether on_each_cpu() wants 3 args])
SPL_LINUX_TRY_COMPILE([
#include <linux/interrupt.h>
#include <linux/smp.h>
void on_each_cpu_func(void *data) { return; }
],[
on_each_cpu(on_each_cpu_func, NULL, 0);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_3ARGS_ON_EACH_CPU, 1,
[on_each_cpu wants 3 args])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 2.6.18 API change,
dnl # kallsyms_lookup_name no longer exported

1
include/linux/Makefile.am
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@ -12,7 +12,6 @@ KERNEL_H = \
$(top_srcdir)/include/linux/module_compat.h \
$(top_srcdir)/include/linux/proc_compat.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/wait_compat.h \
$(top_srcdir)/include/linux/zlib_compat.h

40
include/linux/smp_compat.h
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@ -1,40 +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_SMP_COMPAT_H
#define _SPL_SMP_COMPAT_H
#include <linux/smp.h>
#ifdef HAVE_3ARGS_ON_EACH_CPU
#define spl_on_each_cpu(func,info,wait) on_each_cpu(func,info,wait)
#else
#define spl_on_each_cpu(func,info,wait) on_each_cpu(func,info,0,wait)
#endif /* HAVE_3ARGS_ON_EACH_CPU */
#endif /* _SPL_SMP_COMPAT_H */

1
include/sys/types.h
View File

@ -31,7 +31,6 @@
#include <linux/file_compat.h>
#include <linux/list_compat.h>
#include <linux/bitops_compat.h>
#include <linux/smp_compat.h>
#include <linux/kallsyms_compat.h>
#include <linux/module_compat.h>
#include <linux/sysctl_compat.h>

2
module/spl/spl-kmem.c
View File

@ -1391,7 +1391,7 @@ spl_cache_age(void *data)
atomic_inc(&skc->skc_ref);
if (!(skc->skc_flags & KMC_NOMAGAZINE))
spl_on_each_cpu(spl_magazine_age, skc, 1);
on_each_cpu(spl_magazine_age, skc, 1);
spl_slab_reclaim(skc, skc->skc_reap, 0);