diff options
Diffstat (limited to 'release/src/linux/linux/include/linux/list.h')
| -rw-r--r-- | release/src/linux/linux/include/linux/list.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/release/src/linux/linux/include/linux/list.h b/release/src/linux/linux/include/linux/list.h index 9d98ba31..dafdfc87 100644 --- a/release/src/linux/linux/include/linux/list.h +++ b/release/src/linux/linux/include/linux/list.h @@ -227,6 +227,33 @@ static inline void list_splice_init(struct list_head *list, pos = list_entry(pos->member.next, typeof(*pos), member), \ prefetch(pos->member.next)) +/** + * 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)) + +/** + * list_for_each_entry_continue - iterate over list of given type + * continuing after existing point + * @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_continue(pos, head, member) \ + for (pos = list_entry(pos->member.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 /* __KERNEL__ || _LVM_H_INCLUDE */ #endif |