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0f9859ca92
The name was modified from hlist_add_after() to hlist_add_behind() when adjusting the order of arguments to match the one with klist_add_after(). This is necessary to break old code when it would use it the wrong way. Make klist follow this naming scheme for consistency. Signed-off-by: Ken Helias <kenhelias@firemail.de> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Hugh Dickins <hughd@google.com> Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/*
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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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#ifndef _LINUX_KLIST_H
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#define _LINUX_KLIST_H
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#include <linux/spinlock.h>
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#include <linux/kref.h>
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#include <linux/list.h>
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struct klist_node;
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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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void (*get)(struct klist_node *);
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void (*put)(struct klist_node *);
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} __attribute__ ((aligned (sizeof(void *))));
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#define KLIST_INIT(_name, _get, _put) \
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{ .k_lock = __SPIN_LOCK_UNLOCKED(_name.k_lock), \
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.k_list = LIST_HEAD_INIT(_name.k_list), \
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.get = _get, \
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.put = _put, }
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#define DEFINE_KLIST(_name, _get, _put) \
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struct klist _name = KLIST_INIT(_name, _get, _put)
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extern void klist_init(struct klist *k, void (*get)(struct klist_node *),
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void (*put)(struct klist_node *));
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struct klist_node {
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void *n_klist; /* never access directly */
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struct list_head n_node;
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struct kref n_ref;
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};
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extern void klist_add_tail(struct klist_node *n, struct klist *k);
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extern void klist_add_head(struct klist_node *n, struct klist *k);
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extern void klist_add_behind(struct klist_node *n, struct klist_node *pos);
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extern void klist_add_before(struct klist_node *n, struct klist_node *pos);
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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 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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#endif
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