From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Alan D. Brunelle" Date: Tue, 27 May 2008 12:45:33 +0000 Subject: [PATCH 2/2] Added in elevator switch message to blktrace stream Message-Id: <483C026D.5060302@hp.com> List-Id: References: <483C0216.70008@hp.com> In-Reply-To: <483C0216.70008@hp.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "linux-kernel@vger.kernel.org" Cc: Jens Axboe , linux-btrace@vger.kernel.org Signed-off-by: Alan D. Brunelle --- 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