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md: Convert timers to use timer_setup()

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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: Kent Overstreet <kent.overstreet@gmail.com>
Cc: Shaohua Li <shli@kernel.org>
Cc: Alasdair Kergon <agk@redhat.com>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: dm-devel@redhat.com
Cc: linux-bcache@vger.kernel.org
Cc: linux-raid@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Michael Lyle <mlyle@lyle.org>
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Kees Cook 2017-10-16 17:01:48 -07:00 committed by Jens Axboe
parent b5775a6ba3
commit 8376d3c1f9
5 changed files with 16 additions and 21 deletions
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8
drivers/md/bcache/stats.c
View File

@ -147,9 +147,9 @@ static void scale_stats(struct cache_stats *stats, unsigned long rescale_at)
}
}
static void scale_accounting(unsigned long data)
static void scale_accounting(struct timer_list *t)
{
struct cache_accounting *acc = (struct cache_accounting *) data;
struct cache_accounting *acc = from_timer(acc, t, timer);
#define move_stat(name) do { \
unsigned t = atomic_xchg(&acc->collector.name, 0); \
@ -234,9 +234,7 @@ void bch_cache_accounting_init(struct cache_accounting *acc,
kobject_init(&acc->day.kobj, &bch_stats_ktype);
closure_init(&acc->cl, parent);
init_timer(&acc->timer);
timer_setup(&acc->timer, scale_accounting, 0);
acc->timer.expires = jiffies + accounting_delay;
acc->timer.data = (unsigned long) acc;
acc->timer.function = scale_accounting;
add_timer(&acc->timer);
}

6
drivers/md/dm-delay.c
View File

@ -44,9 +44,9 @@ struct dm_delay_info {
static DEFINE_MUTEX(delayed_bios_lock);
static void handle_delayed_timer(unsigned long data)
static void handle_delayed_timer(struct timer_list *t)
{
struct delay_c *dc = (struct delay_c *)data;
struct delay_c *dc = from_timer(dc, t, delay_timer);
queue_work(dc->kdelayd_wq, &dc->flush_expired_bios);
}
@ -195,7 +195,7 @@ static int delay_ctr(struct dm_target *ti, unsigned int argc, char **argv)
goto bad_queue;
}
setup_timer(&dc->delay_timer, handle_delayed_timer, (unsigned long)dc);
timer_setup(&dc->delay_timer, handle_delayed_timer, 0);
INIT_WORK(&dc->flush_expired_bios, flush_expired_bios);
INIT_LIST_HEAD(&dc->delayed_bios);

6
drivers/md/dm-integrity.c
View File

@ -1094,9 +1094,9 @@ static void sleep_on_endio_wait(struct dm_integrity_c *ic)
__remove_wait_queue(&ic->endio_wait, &wait);
}
static void autocommit_fn(unsigned long data)
static void autocommit_fn(struct timer_list *t)
{
struct dm_integrity_c *ic = (struct dm_integrity_c *)data;
struct dm_integrity_c *ic = from_timer(ic, t, autocommit_timer);
if (likely(!dm_integrity_failed(ic)))
queue_work(ic->commit_wq, &ic->commit_work);
@ -2942,7 +2942,7 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv)
ic->autocommit_jiffies = msecs_to_jiffies(sync_msec);
ic->autocommit_msec = sync_msec;
setup_timer(&ic->autocommit_timer, autocommit_fn, (unsigned long)ic);
timer_setup(&ic->autocommit_timer, autocommit_fn, 0);
ic->io = dm_io_client_create();
if (IS_ERR(ic->io)) {

8
drivers/md/dm-raid1.c
View File

@ -94,9 +94,9 @@ static void wakeup_mirrord(void *context)
queue_work(ms->kmirrord_wq, &ms->kmirrord_work);
}
static void delayed_wake_fn(unsigned long data)
static void delayed_wake_fn(struct timer_list *t)
{
struct mirror_set *ms = (struct mirror_set *) data;
struct mirror_set *ms = from_timer(ms, t, timer);
clear_bit(0, &ms->timer_pending);
wakeup_mirrord(ms);
@ -108,8 +108,6 @@ static void delayed_wake(struct mirror_set *ms)
return;
ms->timer.expires = jiffies + HZ / 5;
ms->timer.data = (unsigned long) ms;
ms->timer.function = delayed_wake_fn;
add_timer(&ms->timer);
}
@ -1133,7 +1131,7 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv)
goto err_free_context;
}
INIT_WORK(&ms->kmirrord_work, do_mirror);
init_timer(&ms->timer);
timer_setup(&ms->timer, delayed_wake_fn, 0);
ms->timer_pending = 0;
INIT_WORK(&ms->trigger_event, trigger_event);

9
drivers/md/md.c
View File

@ -541,7 +541,7 @@ static void mddev_put(struct mddev *mddev)
bioset_free(sync_bs);
}
static void md_safemode_timeout(unsigned long data);
static void md_safemode_timeout(struct timer_list *t);
void mddev_init(struct mddev *mddev)
{
@ -550,8 +550,7 @@ void mddev_init(struct mddev *mddev)
mutex_init(&mddev->bitmap_info.mutex);
INIT_LIST_HEAD(&mddev->disks);
INIT_LIST_HEAD(&mddev->all_mddevs);
setup_timer(&mddev->safemode_timer, md_safemode_timeout,
(unsigned long) mddev);
timer_setup(&mddev->safemode_timer, md_safemode_timeout, 0);
atomic_set(&mddev->active, 1);
atomic_set(&mddev->openers, 0);
atomic_set(&mddev->active_io, 0);
@ -5404,9 +5403,9 @@ static int add_named_array(const char *val, struct kernel_param *kp)
return -EINVAL;
}
static void md_safemode_timeout(unsigned long data)
static void md_safemode_timeout(struct timer_list *t)
{
struct mddev *mddev = (struct mddev *) data;
struct mddev *mddev = from_timer(mddev, t, safemode_timer);
mddev->safemode = 1;
if (mddev->external)