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authorAlasdair G Kergon <agk@redhat.com>2007-07-12 17:26:47 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-12 15:01:08 -0700
commitac818646d4be79123ad8dc5f1c4da8575d4960f8 (patch)
tree7efa3bb2f34998a0cad96fad1f355bf0c12b474b /drivers/md/dm-delay.c
parent028867ac28e51afc834a5931e7545c022557eded (diff)
downloadlinaro-lsk-ac818646d4be79123ad8dc5f1c4da8575d4960f8.tar.gz
dm delay: cleanup
Use setup_timer(). Replace semaphore with mutex. Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/md/dm-delay.c')
-rw-r--r--drivers/md/dm-delay.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index eb218266cbf..6928c136d3c 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -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(unsigned long data)
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;