diff options
Diffstat (limited to 'fs/aufs/spl.h')
-rw-r--r-- | fs/aufs/spl.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/fs/aufs/spl.h b/fs/aufs/spl.h deleted file mode 100644 index 94f09f298..000000000 --- a/fs/aufs/spl.h +++ /dev/null @@ -1,111 +0,0 @@ -/* - * Copyright (C) 2005-2015 Junjiro R. Okajima - * - * This program, aufs 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. - * - * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. - */ - -/* - * simple list protected by a spinlock - */ - -#ifndef __AUFS_SPL_H__ -#define __AUFS_SPL_H__ - -#ifdef __KERNEL__ - -struct au_splhead { - spinlock_t spin; - struct list_head head; -}; - -static inline void au_spl_init(struct au_splhead *spl) -{ - spin_lock_init(&spl->spin); - INIT_LIST_HEAD(&spl->head); -} - -static inline void au_spl_add(struct list_head *list, struct au_splhead *spl) -{ - spin_lock(&spl->spin); - list_add(list, &spl->head); - spin_unlock(&spl->spin); -} - -static inline void au_spl_del(struct list_head *list, struct au_splhead *spl) -{ - spin_lock(&spl->spin); - list_del(list); - spin_unlock(&spl->spin); -} - -static inline void au_spl_del_rcu(struct list_head *list, - struct au_splhead *spl) -{ - spin_lock(&spl->spin); - list_del_rcu(list); - spin_unlock(&spl->spin); -} - -/* ---------------------------------------------------------------------- */ - -struct au_sphlhead { - spinlock_t spin; - struct hlist_head head; -}; - -static inline void au_sphl_init(struct au_sphlhead *sphl) -{ - spin_lock_init(&sphl->spin); - INIT_HLIST_HEAD(&sphl->head); -} - -static inline void au_sphl_add(struct hlist_node *hlist, - struct au_sphlhead *sphl) -{ - spin_lock(&sphl->spin); - hlist_add_head(hlist, &sphl->head); - spin_unlock(&sphl->spin); -} - -static inline void au_sphl_del(struct hlist_node *hlist, - struct au_sphlhead *sphl) -{ - spin_lock(&sphl->spin); - hlist_del(hlist); - spin_unlock(&sphl->spin); -} - -static inline void au_sphl_del_rcu(struct hlist_node *hlist, - struct au_sphlhead *sphl) -{ - spin_lock(&sphl->spin); - hlist_del_rcu(hlist); - spin_unlock(&sphl->spin); -} - -static inline unsigned long au_sphl_count(struct au_sphlhead *sphl) -{ - unsigned long cnt; - struct hlist_node *pos; - - cnt = 0; - spin_lock(&sphl->spin); - hlist_for_each(pos, &sphl->head) - cnt++; - spin_unlock(&sphl->spin); - return cnt; -} - -#endif /* __KERNEL__ */ -#endif /* __AUFS_SPL_H__ */ |