+++ /dev/null
-#ifndef __LIBCFS_LIST_H__
-#define __LIBCFS_LIST_H__
-
-#if defined (__linux__) && defined(__KERNEL__)
-
-#include <linux/list.h>
-
-#define CFS_LIST_HEAD_INIT(n) LIST_HEAD_INIT(n)
-#define CFS_LIST_HEAD(n) LIST_HEAD(n)
-#define CFS_INIT_LIST_HEAD(p) INIT_LIST_HEAD(p)
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-#define CFS_HLIST_HEAD_INIT HLIST_HEAD_INIT
-#define CFS_HLIST_HEAD(n) HLIST_HEAD(n)
-#define CFS_INIT_HLIST_HEAD(p) INIT_HLIST_HEAD(p)
-#define CFS_INIT_HLIST_NODE(p) INIT_HLIST_NODE(p)
-#endif
-
-#else /* !defined (__linux__) || !defined(__KERNEL__) */
-
-/*
- * Simple doubly linked list implementation.
- *
- * Some of the internal functions ("__xxx") are useful when
- * manipulating whole lists rather than single entries, as
- * sometimes we already know the next/prev entries and we can
- * generate better code by using them directly rather than
- * using the generic single-entry routines.
- */
-
-#ifndef __WINNT__
-#define prefetch(a) ((void)a)
-#else
-#define prefetch(a) ((void *)a)
-#endif
-
-struct list_head {
- struct list_head *next, *prev;
-};
-
-typedef struct list_head list_t;
-
-#define CFS_LIST_HEAD_INIT(name) { &(name), &(name) }
-
-#define CFS_LIST_HEAD(name) \
- struct list_head name = CFS_LIST_HEAD_INIT(name)
-
-#define CFS_INIT_LIST_HEAD(ptr) do { \
- (ptr)->next = (ptr); (ptr)->prev = (ptr); \
-} while (0)
-
-/*
- * Insert a new entry between two known consecutive entries.
- *
- * This is only for internal list manipulation where we know
- * the prev/next entries already!
- */
-static inline void __list_add(struct list_head * new,
- struct list_head * prev,
- struct list_head * next)
-{
- next->prev = new;
- new->next = next;
- new->prev = prev;
- prev->next = new;
-}
-
-/**
- * list_add - add a new entry
- * @new: new entry to be added
- * @head: list head to add it after
- *
- * Insert a new entry after the specified head.
- * This is good for implementing stacks.
- */
-static inline void list_add(struct list_head *new, struct list_head *head)
-{
- __list_add(new, head, head->next);
-}
-
-/**
- * list_add_tail - add a new entry
- * @new: new entry to be added
- * @head: list head to add it before
- *
- * Insert a new entry before the specified head.
- * This is useful for implementing queues.
- */
-static inline void list_add_tail(struct list_head *new, struct list_head *head)
-{
- __list_add(new, head->prev, head);
-}
-
-/*
- * Delete a list entry by making the prev/next entries
- * point to each other.
- *
- * This is only for internal list manipulation where we know
- * the prev/next entries already!
- */
-static inline void __list_del(struct list_head * prev, struct list_head * next)
-{
- next->prev = prev;
- prev->next = next;
-}
-
-/**
- * list_del - deletes entry from list.
- * @entry: the element to delete from the list.
- * Note: list_empty on entry does not return true after this, the entry is in an undefined state.
- */
-static inline void list_del(struct list_head *entry)
-{
- __list_del(entry->prev, entry->next);
-}
-
-/**
- * list_del_init - deletes entry from list and reinitialize it.
- * @entry: the element to delete from the list.
- */
-static inline void list_del_init(struct list_head *entry)
-{
- __list_del(entry->prev, entry->next);
- CFS_INIT_LIST_HEAD(entry);
-}
-
-/**
- * list_move - delete from one list and add as another's head
- * @list: the entry to move
- * @head: the head that will precede our entry
- *
- * This is not safe to use if @list is already on the same list as @head.
- */
-static inline void list_move(struct list_head *list, struct list_head *head)
-{
- __list_del(list->prev, list->next);
- list_add(list, head);
-}
-
-/**
- * list_move_tail - delete from one list and add as another's tail
- * @list: the entry to move
- * @head: the head that will follow our entry
- *
- * This is not safe to use if @list is already on the same list as @head.
- */
-static inline void list_move_tail(struct list_head *list,
- struct list_head *head)
-{
- __list_del(list->prev, list->next);
- list_add_tail(list, head);
-}
-
-/**
- * list_empty - tests whether a list is empty
- * @head: the list to test.
- */
-static inline int list_empty(struct list_head *head)
-{
- return head->next == head;
-}
-
-static inline void __list_splice(struct list_head *list,
- struct list_head *head)
-{
- struct list_head *first = list->next;
- struct list_head *last = list->prev;
- struct list_head *at = head->next;
-
- first->prev = head;
- head->next = first;
-
- last->next = at;
- at->prev = last;
-}
-
-/**
- * list_splice - join two lists
- * @list: the new list to add.
- * @head: the place to add it in the first list.
- */
-static inline void list_splice(struct list_head *list, struct list_head *head)
-{
- if (!list_empty(list))
- __list_splice(list, head);
-}
-
-/**
- * list_splice_init - join two lists and reinitialise the emptied list.
- * @list: the new list to add.
- * @head: the place to add it in the first list.
- *
- * The list at @list is reinitialised
- */
-static inline void list_splice_init(struct list_head *list,
- struct list_head *head)
-{
- if (!list_empty(list)) {
- __list_splice(list, head);
- CFS_INIT_LIST_HEAD(list);
- }
-}
-
-/**
- * list_entry - get the struct for this entry
- * @ptr: the &struct list_head pointer.
- * @type: the type of the struct this is embedded in.
- * @member: the name of the list_struct within the struct.
- */
-#define list_entry(ptr, type, member) \
- ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
-
-/**
- * list_for_each - iterate over a list
- * @pos: the &struct list_head to use as a loop counter.
- * @head: the head for your list.
- */
-#define list_for_each(pos, head) \
- for (pos = (head)->next, prefetch(pos->next); pos != (head); \
- pos = pos->next, prefetch(pos->next))
-
-/**
- * list_for_each_safe - iterate over a list safe against removal of list entry
- * @pos: the &struct list_head to use as a loop counter.
- * @n: another &struct list_head to use as temporary storage
- * @head: the head for your list.
- */
-#define list_for_each_safe(pos, n, head) \
- for (pos = (head)->next, n = pos->next; pos != (head); \
- pos = n, n = pos->next)
-
-/*
- * Double linked lists with a single pointer list head.
- * Mostly useful for hash tables where the two pointer list head is
- * too wasteful.
- * You lose the ability to access the tail in O(1).
- */
-
-struct hlist_head {
- struct hlist_node *first;
-};
-
-struct hlist_node {
- struct hlist_node *next, **pprev;
-};
-
-/*
- * "NULL" might not be defined at this point
- */
-#ifdef NULL
-#define NULL_P NULL
-#else
-#define NULL_P ((void *)0)
-#endif
-
-#define CFS_HLIST_HEAD_INIT { .first = NULL_P }
-#define CFS_HLIST_HEAD(name) struct hlist_head name = { .first = NULL_P }
-#define CFS_INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL_P)
-#define CFS_INIT_HLIST_NODE(ptr) ((ptr)->next = NULL_P, (ptr)->pprev = NULL_P)
-
-#define HLIST_HEAD_INIT CFS_HLIST_HEAD_INIT
-#define HLIST_HEAD(n) CFS_HLIST_HEAD(n)
-#define INIT_HLIST_HEAD(p) CFS_INIT_HLIST_HEAD(p)
-#define INIT_HLIST_NODE(p) CFS_INIT_HLIST_NODE(p)
-
-static inline int hlist_unhashed(const struct hlist_node *h)
-{
- return !h->pprev;
-}
-
-static inline int hlist_empty(const struct hlist_head *h)
-{
- return !h->first;
-}
-
-static inline void __hlist_del(struct hlist_node *n)
-{
- struct hlist_node *next = n->next;
- struct hlist_node **pprev = n->pprev;
- *pprev = next;
- if (next)
- next->pprev = pprev;
-}
-
-static inline void hlist_del(struct hlist_node *n)
-{
- __hlist_del(n);
-}
-
-static inline void hlist_del_init(struct hlist_node *n)
-{
- if (n->pprev) {
- __hlist_del(n);
- INIT_HLIST_NODE(n);
- }
-}
-
-static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
-{
- struct hlist_node *first = h->first;
- n->next = first;
- if (first)
- first->pprev = &n->next;
- h->first = n;
- n->pprev = &h->first;
-}
-
-/* next must be != NULL */
-static inline void hlist_add_before(struct hlist_node *n,
- struct hlist_node *next)
-{
- n->pprev = next->pprev;
- n->next = next;
- next->pprev = &n->next;
- *(n->pprev) = n;
-}
-
-static inline void hlist_add_after(struct hlist_node *n,
- struct hlist_node *next)
-{
- next->next = n->next;
- n->next = next;
- next->pprev = &n->next;
-
- if(next->next)
- next->next->pprev = &next->next;
-}
-
-#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
-
-#define hlist_for_each(pos, head) \
- for (pos = (head)->first; pos && ({ prefetch(pos->next); 1; }); \
- pos = pos->next)
-
-#define hlist_for_each_safe(pos, n, head) \
- for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \
- pos = n)
-
-/**
- * hlist_for_each_entry - iterate over list of given type
- * @tpos: the type * to use as a loop counter.
- * @pos: the &struct hlist_node to use as a loop counter.
- * @head: the head for your list.
- * @member: the name of the hlist_node within the struct.
- */
-#define hlist_for_each_entry(tpos, pos, head, member) \
- for (pos = (head)->first; \
- pos && ({ prefetch(pos->next); 1;}) && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
- pos = pos->next)
-
-/**
- * hlist_for_each_entry_continue - iterate over a hlist continuing after existing point
- * @tpos: the type * to use as a loop counter.
- * @pos: the &struct hlist_node to use as a loop counter.
- * @member: the name of the hlist_node within the struct.
- */
-#define hlist_for_each_entry_continue(tpos, pos, member) \
- for (pos = (pos)->next; \
- pos && ({ prefetch(pos->next); 1;}) && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
- pos = pos->next)
-
-/**
- * hlist_for_each_entry_from - iterate over a hlist continuing from existing point
- * @tpos: the type * to use as a loop counter.
- * @pos: the &struct hlist_node to use as a loop counter.
- * @member: the name of the hlist_node within the struct.
- */
-#define hlist_for_each_entry_from(tpos, pos, member) \
- for (; pos && ({ prefetch(pos->next); 1;}) && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
- pos = pos->next)
-
-/**
- * hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
- * @tpos: the type * to use as a loop counter.
- * @pos: the &struct hlist_node to use as a loop counter.
- * @n: another &struct hlist_node to use as temporary storage
- * @head: the head for your list.
- * @member: the name of the hlist_node within the struct.
- */
-#define hlist_for_each_entry_safe(tpos, pos, n, head, member) \
- for (pos = (head)->first; \
- pos && ({ n = pos->next; 1; }) && \
- ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
- pos = n)
-
-#endif /* __linux__ && __KERNEL__ */
-
-#ifndef list_for_each_prev
-/**
- * list_for_each_prev - iterate over a list in reverse order
- * @pos: the &struct list_head to use as a loop counter.
- * @head: the head for your list.
- */
-#define list_for_each_prev(pos, head) \
- for (pos = (head)->prev, prefetch(pos->prev); pos != (head); \
- pos = pos->prev, prefetch(pos->prev))
-
-#endif /* list_for_each_prev */
-
-#ifndef list_for_each_entry
-/**
- * list_for_each_entry - iterate over list of given type
- * @pos: the type * to use as a loop counter.
- * @head: the head for your list.
- * @member: the name of the list_struct within the struct.
- */
-#define list_for_each_entry(pos, head, member) \
- for (pos = list_entry((head)->next, typeof(*pos), member), \
- prefetch(pos->member.next); \
- &pos->member != (head); \
- pos = list_entry(pos->member.next, typeof(*pos), member), \
- prefetch(pos->member.next))
-#endif /* list_for_each_entry */
-
-#ifndef list_for_each_entry_reverse
-/**
- * list_for_each_entry_reverse - iterate backwards over list of given type.
- * @pos: the type * to use as a loop counter.
- * @head: the head for your list.
- * @member: the name of the list_struct within the struct.
- */
-#define list_for_each_entry_reverse(pos, head, member) \
- for (pos = list_entry((head)->prev, typeof(*pos), member); \
- prefetch(pos->member.prev), &pos->member != (head); \
- pos = list_entry(pos->member.prev, typeof(*pos), member))
-#endif /* list_for_each_entry_reverse */
-
-#ifndef list_for_each_entry_safe
-/**
- * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
- * @pos: the type * to use as a loop counter.
- * @n: another type * to use as temporary storage
- * @head: the head for your list.
- * @member: the name of the list_struct within the struct.
- */
-#define list_for_each_entry_safe(pos, n, head, member) \
- for (pos = list_entry((head)->next, typeof(*pos), member), \
- n = list_entry(pos->member.next, typeof(*pos), member); \
- &pos->member != (head); \
- pos = n, n = list_entry(n->member.next, typeof(*n), member))
-#endif /* list_for_each_entry_safe */
-
-#ifndef list_for_each_entry_safe_from
-/**
- * list_for_each_entry_safe_from
- * @pos: the type * to use as a loop cursor.
- * @n: another type * to use as temporary storage
- * @head: the head for your list.
- * @member: the name of the list_struct within the struct.
- *
- * Iterate over list of given type from current point, safe against
- * removal of list entry.
- */
-#define list_for_each_entry_safe_from(pos, n, head, member) \
- for (n = list_entry(pos->member.next, typeof(*pos), member); \
- &pos->member != (head); \
- pos = n, n = list_entry(n->member.next, typeof(*n), member))
-#endif /* list_for_each_entry_safe_from */
-
-#endif /* __LIBCFS_LUSTRE_LIST_H__ */
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