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authorKees Cook <keescook@chromium.org>2017-08-28 15:03:41 -0700
committerKees Cook <keescook@chromium.org>2017-11-21 15:46:44 -0800
commitbca237a52ca0035b0a0380003283d8bf590188d5 (patch)
treed689ceca871d6c703871a6738a696a3091886a82 /mm
parent1e9aa74ecd84ac3eeffb7a9f08f9021d7df6486a (diff)
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block/laptop_mode: 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: Jens Axboe <axboe@kernel.dk> Cc: Michal Hocko <mhocko@suse.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jan Kara <jack@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Cc: Matthew Wilcox <mawilcox@microsoft.com> Cc: Jeff Layton <jlayton@redhat.com> Cc: linux-block@vger.kernel.org Cc: linux-mm@kvack.org Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/page-writeback.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 8a1551154285..e7095030aa1f 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1993,11 +1993,12 @@ int dirty_writeback_centisecs_handler(struct ctl_table *table, int write,
}
#ifdef CONFIG_BLOCK
-void laptop_mode_timer_fn(unsigned long data)
+void laptop_mode_timer_fn(struct timer_list *t)
{
- struct request_queue *q = (struct request_queue *)data;
+ struct backing_dev_info *backing_dev_info =
+ from_timer(backing_dev_info, t, laptop_mode_wb_timer);
- wakeup_flusher_threads_bdi(q->backing_dev_info, WB_REASON_LAPTOP_TIMER);
+ wakeup_flusher_threads_bdi(backing_dev_info, WB_REASON_LAPTOP_TIMER);
}
/*