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relay: use plain timer instead of delayed work

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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>
Cc: Satyam Sharma <satyam.sharma@gmail.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tom Zanussi 2007-05-09 02:34:01 -07:00 • committed by Linus Torvalds
parent d0758bc334
commit 7c9cb38302
2 changed files with 18 additions and 20 deletions
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3
include/linux/relay.h
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@ -12,6 +12,7 @@
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/timer.h>
#include <linux/wait.h>
#include <linux/list.h>
#include <linux/fs.h>
@ -38,7 +39,7 @@ 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 */