On Thu, May 01, 2014 at 12:41:43PM +1000, NeilBrown wrote:
> diff --git a/include/linux/wait.h b/include/linux/wait.h
> index 438dc6044587..162cbcde9dae 100644
> --- a/include/linux/wait.h
> +++ b/include/linux/wait.h
> @@ -25,6 +25,7 @@ struct wait_bit_key {
> void *flags;
> int bit_nr;
> #define WAIT_ATOMIC_T_BIT_NR -1
> + unsigned long private;
> };
>
> struct wait_bit_queue {
> @@ -147,12 +148,12 @@ void __wake_up_sync_key(wait_queue_head_t *q, unsigned int mode, int nr, void *k
> void __wake_up_locked(wait_queue_head_t *q, unsigned int mode, int nr);
> void __wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr);
> void __wake_up_bit(wait_queue_head_t *, void *, int);
> -int __wait_on_bit(wait_queue_head_t *, struct wait_bit_queue *, int (*)(void *), unsigned);
> -int __wait_on_bit_lock(wait_queue_head_t *, struct wait_bit_queue *, int (*)(void *), unsigned);
> +int __wait_on_bit(wait_queue_head_t *, struct wait_bit_queue *, int (*)(struct wait_bit_key *), unsigned);
> +int __wait_on_bit_lock(wait_queue_head_t *, struct wait_bit_queue *, int (*)(struct wait_bit_key *), unsigned);
Would something like:
typedef int (*wait_bit_action_f)(struct wait_bit_key *);
make sense?
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