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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 /block
parent1e9aa74ecd84ac3eeffb7a9f08f9021d7df6486a (diff)
downloadlinux-bca237a52ca0035b0a0380003283d8bf590188d5.tar.gz
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 'block')
-rw-r--r--block/blk-core.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 1038706edd87..b8881750a3ac 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -863,9 +863,9 @@ static void blk_queue_usage_counter_release(struct percpu_ref *ref)
 	wake_up_all(&q->mq_freeze_wq);
 }
 
-static void blk_rq_timed_out_timer(unsigned long data)
+static void blk_rq_timed_out_timer(struct timer_list *t)
 {
-	struct request_queue *q = (struct request_queue *)data;
+	struct request_queue *q = from_timer(q, t, timeout);
 
 	kblockd_schedule_work(&q->timeout_work);
 }
@@ -901,9 +901,9 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
 	q->backing_dev_info->name = "block";
 	q->node = node_id;
 
-	setup_timer(&q->backing_dev_info->laptop_mode_wb_timer,
-		    laptop_mode_timer_fn, (unsigned long) q);
-	setup_timer(&q->timeout, blk_rq_timed_out_timer, (unsigned long) q);
+	timer_setup(&q->backing_dev_info->laptop_mode_wb_timer,
+		    laptop_mode_timer_fn, 0);
+	timer_setup(&q->timeout, blk_rq_timed_out_timer, 0);
 	INIT_WORK(&q->timeout_work, NULL);
 	INIT_LIST_HEAD(&q->queue_head);
 	INIT_LIST_HEAD(&q->timeout_list);