bit_waitqueue
wq = bit_waitqueue(wait_word, wait_bit);
wq = bit_waitqueue(&gl->gl_flags, GLF_LOCK);
wq = bit_waitqueue(&jinode->i_flags, __JI_COMMIT_RUNNING);
wait_queue_head_t *wq = bit_waitqueue(&ip->i_flags, __XFS_IPINNED_BIT);
struct wait_queue_head *bit_waitqueue(unsigned long *word, int bit);
struct wait_queue_head *wq_head = bit_waitqueue(word, bit);
__wake_up_bit(bit_waitqueue(word, bit), word, bit);
EXPORT_SYMBOL(bit_waitqueue);
struct wait_queue_head *wq_head = bit_waitqueue(word, bit);
struct wait_queue_head *wq_head = bit_waitqueue(word, bit);
wait_queue_head_t *wq = bit_waitqueue(m, RPC_TASK_ACTIVE);