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Added in elevator switch message to blktrace stream

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Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Alan D. Brunelle 2008-05-27 14:55:00 +02:00 committed by Jens Axboe
parent 9d5f09a424
commit 4722dc52a8
1 changed files with 2 additions and 0 deletions
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block/elevator.c
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@ -1110,6 +1110,8 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e)
queue_flag_clear(QUEUE_FLAG_ELVSWITCH, q);
spin_unlock_irq(q->queue_lock);
blk_add_trace_msg(q, "elv switch: %s", e->elevator_type->elevator_name);
return 1;
fail_register: