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SubjectRe: [PATCH] relay: use plain timer instead of delayed work
Hi Tom,

On 5/6/07, Tom Zanussi <zanussi@comcast.net> wrote:
> [...]
> relay doesn't need to use schedule_delayed_work() for waking readers
> when a simple timer will do.
>
> Signed-off-by: Tom Zanussi <zanussi@comcast.net>
> [...]
> diff --git a/include/linux/relay.h b/include/linux/relay.h
> index 759a0f9..cac0732 100644
> --- a/include/linux/relay.h
> +++ b/include/linux/relay.h
> @@ -38,7 +38,7 @@ struct rchan_buf
> size_t subbufs_consumed; /* count of sub-buffers consumed */
> struct rchan *chan; /* associated channel */
> wait_queue_head_t read_wait; /* reader wait queue */
> - struct delayed_work wake_readers; /* reader wake-up work struct */
> + struct timer_list timer; /* reader wake-up timer */
> struct dentry *dentry; /* channel file dentry */
> struct kref kref; /* channel buffer refcount */
> struct page **page_array; /* array of current buffer pages */

I suspect you could now safely get rid of the "#include
<linux/wait.h>" at the top of relay.h too. And although timer.h comes
via #include <linux/sched.h>, you might want to do that explicitly
too.

Satyam
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