remove the hlist code
This commit is contained in:
Felix Fietkau
parent
dc8c37fa8b
commit
f213e8b432
1 changed files with 0 additions and 147 deletions
147
list.h
147
list.h
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@ -462,151 +462,4 @@ static inline void list_splice_init(struct list_head *list,
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&pos->member != (head); \
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pos = n, n = list_entry(n->member.prev, typeof(*n), member))
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/*
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* Double linked lists with a single pointer list head.
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* Mostly useful for hash tables where the two pointer list head is
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* too wasteful.
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* You lose the ability to access the tail in O(1).
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*/
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struct hlist_head {
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struct hlist_node *first;
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};
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struct hlist_node {
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struct hlist_node *next, **pprev;
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};
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#define HLIST_HEAD_INIT { .first = NULL }
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#define HLIST_HEAD(name) struct hlist_head name = { .first = NULL }
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#define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)
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static inline void INIT_HLIST_NODE(struct hlist_node *h)
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{
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h->next = NULL;
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h->pprev = NULL;
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}
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static inline int hlist_unhashed(const struct hlist_node *h)
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{
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return !h->pprev;
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}
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static inline int hlist_empty(const struct hlist_head *h)
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{
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return !h->first;
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}
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static inline void __hlist_del(struct hlist_node *n)
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{
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struct hlist_node *next = n->next;
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struct hlist_node **pprev = n->pprev;
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*pprev = next;
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if (next)
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next->pprev = pprev;
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}
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static inline void hlist_del(struct hlist_node *n)
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{
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__hlist_del(n);
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n->next = NULL;
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n->pprev = NULL;
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}
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static inline void hlist_del_init(struct hlist_node *n)
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{
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if (!hlist_unhashed(n)) {
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__hlist_del(n);
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INIT_HLIST_NODE(n);
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}
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}
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static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
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{
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struct hlist_node *first = h->first;
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n->next = first;
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if (first)
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first->pprev = &n->next;
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h->first = n;
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n->pprev = &h->first;
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}
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/* next must be != NULL */
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static inline void hlist_add_before(struct hlist_node *n,
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struct hlist_node *next)
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{
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n->pprev = next->pprev;
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n->next = next;
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next->pprev = &n->next;
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*(n->pprev) = n;
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}
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static inline void hlist_add_after(struct hlist_node *n,
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struct hlist_node *next)
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{
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next->next = n->next;
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n->next = next;
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next->pprev = &n->next;
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if(next->next)
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next->next->pprev = &next->next;
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}
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#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
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#define hlist_for_each(pos, head) \
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for (pos = (head)->first; pos; pos = pos->next)
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#define hlist_for_each_safe(pos, n, head) \
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for (pos = (head)->first; pos; pos = n)
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/**
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* hlist_for_each_entry - iterate over list of given type
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* @tpos: the type * to use as a loop cursor.
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* @pos: the &struct hlist_node to use as a loop cursor.
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* @head: the head for your list.
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* @member: the name of the hlist_node within the struct.
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*/
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#define hlist_for_each_entry(tpos, pos, head, member) \
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for (pos = (head)->first; pos && \
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({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
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pos = pos->next)
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/**
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* hlist_for_each_entry_continue - iterate over a hlist continuing after current point
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* @tpos: the type * to use as a loop cursor.
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* @pos: the &struct hlist_node to use as a loop cursor.
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* @member: the name of the hlist_node within the struct.
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*/
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#define hlist_for_each_entry_continue(tpos, pos, member) \
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for (pos = (pos)->next; pos && \
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({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
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pos = pos->next)
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/**
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* hlist_for_each_entry_from - iterate over a hlist continuing from current point
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* @tpos: the type * to use as a loop cursor.
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* @pos: the &struct hlist_node to use as a loop cursor.
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* @member: the name of the hlist_node within the struct.
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*/
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#define hlist_for_each_entry_from(tpos, pos, member) \
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for (; pos && \
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({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
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pos = pos->next)
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/**
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* hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
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* @tpos: the type * to use as a loop cursor.
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* @pos: the &struct hlist_node to use as a loop cursor.
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* @n: another &struct hlist_node to use as temporary storage
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* @head: the head for your list.
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* @member: the name of the hlist_node within the struct.
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*/
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#define hlist_for_each_entry_safe(tpos, pos, n, head, member) \
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for (pos = (head)->first; \
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pos && ({ n = pos->next; 1; }) && \
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({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
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pos = n)
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#endif
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