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Date: Wed, 11 Jul 2007 21:57:54 +0100 From: Alasdair G Kergon <agk@...hat.com> To: Andrew Morton <akpm@...ux-foundation.org> Cc: dm-devel@...hat.com, linux-kernel@...r.kernel.org Subject: [2.6.23 PATCH 04/18] dm delay: cleanup From: Alasdair G Kergon <agk@...hat.com> Use setup_timer(). Replace semaphore with mutex. Signed-off-by: Alasdair G Kergon <agk@...hat.com> --- drivers/md/dm-delay.c | 12 +++++------- 1 files changed, 5 insertions(+), 7 deletions(-) Index: linux/drivers/md/dm-delay.c =================================================================== --- linux.orig/drivers/md/dm-delay.c 2007-07-11 21:37:38.000000000 +0100 +++ linux/drivers/md/dm-delay.c 2007-07-11 21:37:39.000000000 +0100 @@ -20,7 +20,7 @@ struct delay_c { struct timer_list delay_timer; - struct semaphore timer_lock; + struct mutex timer_lock; struct work_struct flush_expired_bios; struct list_head delayed_bios; atomic_t may_delay; @@ -58,12 +58,12 @@ static void handle_delayed_timer(unsigne static void queue_timeout(struct delay_c *dc, unsigned long expires) { - down(&dc->timer_lock); + mutex_lock(&dc->timer_lock); if (!timer_pending(&dc->delay_timer) || expires < dc->delay_timer.expires) mod_timer(&dc->delay_timer, expires); - up(&dc->timer_lock); + mutex_unlock(&dc->timer_lock); } static void flush_bios(struct bio *bio) @@ -193,13 +193,11 @@ out: goto bad; } - init_timer(&dc->delay_timer); - dc->delay_timer.function = handle_delayed_timer; - dc->delay_timer.data = (unsigned long)dc; + setup_timer(&dc->delay_timer, handle_delayed_timer, (unsigned long)dc); INIT_WORK(&dc->flush_expired_bios, flush_expired_bios); INIT_LIST_HEAD(&dc->delayed_bios); - init_MUTEX(&dc->timer_lock); + mutex_init(&dc->timer_lock); atomic_set(&dc->may_delay, 1); ti->private = dc; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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