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55 lines
1.2 KiB
55 lines
1.2 KiB
/*
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* klist.h - Some generic list helpers, extending struct list_head a bit.
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*
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* Implementations are found in lib/klist.c
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*
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*
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* Copyright (C) 2005 Patrick Mochel
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*
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* This file is rleased under the GPL v2.
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*/
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#include <linux/spinlock.h>
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#include <linux/completion.h>
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#include <linux/kref.h>
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#include <linux/list.h>
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struct klist {
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spinlock_t k_lock;
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struct list_head k_list;
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};
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extern void klist_init(struct klist * k);
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struct klist_node {
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struct klist * n_klist;
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struct list_head n_node;
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struct kref n_ref;
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struct completion n_removed;
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};
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extern void klist_add_tail(struct klist * k, struct klist_node * n);
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extern void klist_add_head(struct klist * k, struct klist_node * n);
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extern void klist_del(struct klist_node * n);
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extern void klist_remove(struct klist_node * n);
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extern int klist_node_attached(struct klist_node * n);
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struct klist_iter {
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struct klist * i_klist;
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struct list_head * i_head;
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struct klist_node * i_cur;
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};
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extern void klist_iter_init(struct klist * k, struct klist_iter * i);
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extern void klist_iter_init_node(struct klist * k, struct klist_iter * i,
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struct klist_node * n);
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extern void klist_iter_exit(struct klist_iter * i);
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extern struct klist_node * klist_next(struct klist_iter * i);
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