diff options
Diffstat (limited to 'include/linux/klist.h')
| -rw-r--r-- | include/linux/klist.h | 51 |
1 files changed, 32 insertions, 19 deletions
diff --git a/include/linux/klist.h b/include/linux/klist.h index eebf5e5696e..a370ce57cf1 100644 --- a/include/linux/klist.h +++ b/include/linux/klist.h @@ -9,47 +9,60 @@ * This file is rleased under the GPL v2. */ +#ifndef _LINUX_KLIST_H +#define _LINUX_KLIST_H + #include <linux/spinlock.h> -#include <linux/completion.h> #include <linux/kref.h> #include <linux/list.h> - +struct klist_node; struct klist { spinlock_t k_lock; struct list_head k_list; -}; + void (*get)(struct klist_node *); + void (*put)(struct klist_node *); +} __attribute__ ((aligned (sizeof(void *)))); +#define KLIST_INIT(_name, _get, _put) \ + { .k_lock = __SPIN_LOCK_UNLOCKED(_name.k_lock), \ + .k_list = LIST_HEAD_INIT(_name.k_list), \ + .get = _get, \ + .put = _put, } -extern void klist_init(struct klist * k); +#define DEFINE_KLIST(_name, _get, _put) \ + struct klist _name = KLIST_INIT(_name, _get, _put) +extern void klist_init(struct klist *k, void (*get)(struct klist_node *), + void (*put)(struct klist_node *)); struct klist_node { - struct klist * n_klist; + void *n_klist; /* never access directly */ struct list_head n_node; struct kref n_ref; - struct completion n_removed; }; -extern void klist_add_tail(struct klist * k, struct klist_node * n); -extern void klist_add_head(struct klist * k, struct klist_node * n); +extern void klist_add_tail(struct klist_node *n, struct klist *k); +extern void klist_add_head(struct klist_node *n, struct klist *k); +extern void klist_add_after(struct klist_node *n, struct klist_node *pos); +extern void klist_add_before(struct klist_node *n, struct klist_node *pos); -extern void klist_del(struct klist_node * n); -extern void klist_remove(struct klist_node * n); +extern void klist_del(struct klist_node *n); +extern void klist_remove(struct klist_node *n); -extern int klist_node_attached(struct klist_node * n); +extern int klist_node_attached(struct klist_node *n); struct klist_iter { - struct klist * i_klist; - struct list_head * i_head; - struct klist_node * i_cur; + struct klist *i_klist; + struct klist_node *i_cur; }; -extern void klist_iter_init(struct klist * k, struct klist_iter * i); -extern void klist_iter_init_node(struct klist * k, struct klist_iter * i, - struct klist_node * n); -extern void klist_iter_exit(struct klist_iter * i); -extern struct klist_node * klist_next(struct klist_iter * i); +extern void klist_iter_init(struct klist *k, struct klist_iter *i); +extern void klist_iter_init_node(struct klist *k, struct klist_iter *i, + struct klist_node *n); +extern void klist_iter_exit(struct klist_iter *i); +extern struct klist_node *klist_next(struct klist_iter *i); +#endif |