mirror of https://gitee.com/openkylin/linux.git
34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
/*
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* Copyright (C) 2007 Oracle. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __BIT_RADIX__
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#define __BIT_RADIX__
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#include <linux/radix-tree.h>
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int set_radix_bit(struct radix_tree_root *radix, unsigned long bit);
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int test_radix_bit(struct radix_tree_root *radix, unsigned long bit);
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int clear_radix_bit(struct radix_tree_root *radix, unsigned long bit);
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int find_first_radix_bit(struct radix_tree_root *radix, unsigned long *retbits,
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unsigned long start, int nr);
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static inline void init_bit_radix(struct radix_tree_root *radix)
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{
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INIT_RADIX_TREE(radix, GFP_NOFS);
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}
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#endif
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