Added in elevator switch message to blktrace stream
Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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@ -1110,6 +1110,8 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e)
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queue_flag_clear(QUEUE_FLAG_ELVSWITCH, q);
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spin_unlock_irq(q->queue_lock);
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blk_add_trace_msg(q, "elv switch: %s", e->elevator_type->elevator_name);
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return 1;
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fail_register:
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