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This is needed for the Illumos #4045 write throttle patch. It is used in the arc eviction code to avoid blocking all arc activity by sitting on arcs_mtx too long. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Issue #286
35 lines
1.4 KiB
C
35 lines
1.4 KiB
C
/*****************************************************************************\
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* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
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* Copyright (C) 2007 The Regents of the University of California.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
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* UCRL-CODE-235197
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*
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* This file is part of the SPL, Solaris Porting Layer.
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* For details, see <http://zfsonlinux.org/>.
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*
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* The SPL is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* The SPL is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the SPL. If not, see <http://www.gnu.org/licenses/>.
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\*****************************************************************************/
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#ifndef _SPL_DISP_H
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#define _SPL_DISP_H
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#include <linux/preempt.h>
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#define kpreempt(unused) schedule()
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#define kpreempt_disable() preempt_disable()
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#define kpreempt_enable() preempt_enable()
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#endif /* SPL_DISP_H */
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