mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2017-2019 Junjiro R. Okajima
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*
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* This program, aufs is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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
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* GNU 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 License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* helpers for hlist_bl.h
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*/
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#ifndef __AUFS_HBL_H__
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#define __AUFS_HBL_H__
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#ifdef __KERNEL__
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#include <linux/list_bl.h>
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static inline void au_hbl_add(struct hlist_bl_node *node,
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struct hlist_bl_head *hbl)
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{
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hlist_bl_lock(hbl);
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hlist_bl_add_head(node, hbl);
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hlist_bl_unlock(hbl);
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}
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static inline void au_hbl_del(struct hlist_bl_node *node,
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struct hlist_bl_head *hbl)
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{
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hlist_bl_lock(hbl);
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hlist_bl_del(node);
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hlist_bl_unlock(hbl);
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}
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#define au_hbl_for_each(pos, head) \
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for (pos = hlist_bl_first(head); \
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pos; \
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pos = pos->next)
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static inline unsigned long au_hbl_count(struct hlist_bl_head *hbl)
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{
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unsigned long cnt;
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struct hlist_bl_node *pos;
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cnt = 0;
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hlist_bl_lock(hbl);
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au_hbl_for_each(pos, hbl)
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cnt++;
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hlist_bl_unlock(hbl);
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return cnt;
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}
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#endif /* __KERNEL__ */
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#endif /* __AUFS_HBL_H__ */
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