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authorKees Cook <keescook@chromium.org>2017-10-17 03:01:48 +0300
committerJens Axboe <axboe@kernel.dk>2017-11-15 06:11:57 +0300
commit8376d3c1f98988ae7f9e9bc2d1eeeb7d61fd206c (patch)
treea9114dbb27e59f227e1fddfb4bd667ecc700179f /drivers/md
parentb5775a6ba373f1a6e41723ab54c8a4b0fb6f0f00 (diff)
downloadlinux-8376d3c1f98988ae7f9e9bc2d1eeeb7d61fd206c.tar.xz
md: Convert timers to use timer_setup()
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>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/bcache/stats.c8
-rw-r--r--drivers/md/dm-delay.c6
-rw-r--r--drivers/md/dm-integrity.c6
-rw-r--r--drivers/md/dm-raid1.c8
-rw-r--r--drivers/md/md.c9
5 files changed, 16 insertions, 21 deletions
diff --git a/drivers/md/bcache/stats.c b/drivers/md/bcache/stats.c
index d0831d5bcc87..be119326297b 100644
--- a/drivers/md/bcache/stats.c
+++ b/drivers/md/bcache/stats.c
@@ -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);
}
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index 2209a9700acd..288386bfbfb5 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -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 @@ out:
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);
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 61180783ef42..05c7bfd0c9d9 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -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)) {
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index c0b82136b2d1..580c49cc8079 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -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);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 09c3af3dcdca..0f2d79d16949 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -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)