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authorAlan D. Brunelle <Alan.Brunelle@hp.com>2008-05-27 14:55:00 +0200
committerJens Axboe <jens.axboe@oracle.com>2008-05-28 14:49:27 +0200
commit4722dc52a891ab6cb2d637ddb87233e0ce277827 (patch)
treec5cd2a670edcedf5a8f35028509ab7fd841e2029 /block
parent9d5f09a424a67ddb959829894efb4c71cbf6d600 (diff)
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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>
Diffstat (limited to 'block')
-rw-r--r--block/elevator.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/block/elevator.c b/block/elevator.c
index 980f8ae..902dd13 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -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: