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mm/page-writeback.c: 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.

Link: http://lkml.kernel.org/r/20171016225913.GA99214@beast
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kees Cook 2017-11-15 17:37:04 -08:00 committed by Linus Torvalds
parent b6b18aa87b
commit 9823e51bfd
1 changed files with 3 additions and 4 deletions
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7
mm/page-writeback.c
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@ -628,9 +628,9 @@ EXPORT_SYMBOL_GPL(wb_writeout_inc);
* On idle system, we can be called long after we scheduled because we use
* deferred timers so count with missed periods.
*/
static void writeout_period(unsigned long t)
static void writeout_period(struct timer_list *t)
{
struct wb_domain *dom = (void *)t;
struct wb_domain *dom = from_timer(dom, t, period_timer);
int miss_periods = (jiffies - dom->period_time) /
VM_COMPLETIONS_PERIOD_LEN;
@ -653,8 +653,7 @@ int wb_domain_init(struct wb_domain *dom, gfp_t gfp)
spin_lock_init(&dom->lock);
setup_deferrable_timer(&dom->period_timer, writeout_period,
(unsigned long)dom);
timer_setup(&dom->period_timer, writeout_period, TIMER_DEFERRABLE);
dom->dirty_limit_tstamp = jiffies;