diff options
Diffstat (limited to 'include/linux/list.h')
-rw-r--r-- | include/linux/list.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/list.h b/include/linux/list.h index de04cc5ed536..edb7628e46ed 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -184,6 +184,29 @@ static inline void list_move_tail(struct list_head *list, } /** + * list_bulk_move_tail - move a subsection of a list to its tail + * @head: the head that will follow our entry + * @first: first entry to move + * @last: last entry to move, can be the same as first + * + * Move all entries between @first and including @last before @head. + * All three entries must belong to the same linked list. + */ +static inline void list_bulk_move_tail(struct list_head *head, + struct list_head *first, + struct list_head *last) +{ + first->prev->next = last->next; + last->next->prev = first->prev; + + head->prev->next = first; + first->prev = head->prev; + + last->next = head; + head->prev = last; +} + +/** * list_is_last - tests whether @list is the last entry in list @head * @list: the entry to test * @head: the head of the list |