Messages in this thread Patch in this message | | | Date | Mon, 16 Oct 2017 15:59:13 -0700 | From | Kees Cook <> | Subject | [PATCH] writeback: 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: Andrew Morton <akpm@linux-foundation.org> Cc: 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> Cc: linux-mm@kvack.org Signed-off-by: Kees Cook <keescook@chromium.org> --- mm/page-writeback.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 94854e243b11..65ba42c7c7da 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -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; -- 2.7.4
-- Kees Cook Pixel Security
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