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List:       linux-btrace
Subject:    [PATCH 2/2] Added in elevator switch message to blktrace stream
From:       "Alan D. Brunelle" <Alan.Brunelle () hp ! com>
Date:       2008-05-27 12:45:33
Message-ID: 483C026D.5060302 () hp ! com
[Download RAW message or body]


Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com>
---
 block/elevator.c |    2 ++
 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:
-- 
1.5.4.3

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