2010-05-18 02:18:00 +04:00
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/*****************************************************************************\
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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://github.com/behlendorf/spl/>.
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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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2008-08-11 21:20:11 +04:00
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#ifndef _SPL_LIST_COMPAT_H
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#define _SPL_LIST_COMPAT_H
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#include <linux/list.h>
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#ifndef list_for_each_entry_safe_reverse
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/**
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* list_for_each_entry_safe_reverse
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* @pos: the type * to use as a loop cursor.
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* @n: another type * to use as temporary storage
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* @head: the head for your list.
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* @member: the name of the list_struct within the struct.
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*
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* Iterate backwards over list of given type, safe against removal
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* of list entry.
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*/
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#define list_for_each_entry_safe_reverse(pos, n, head, member) \
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for (pos = list_entry((head)->prev, typeof(*pos), member), \
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n = list_entry(pos->member.prev, typeof(*pos), member); \
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&pos->member != (head); \
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pos = n, n = list_entry(n->member.prev, typeof(*n), member))
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#endif /* list_for_each_entry_safe_reverse */
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#endif /* SPL_LIST_COMPAT_H */
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