From: "Alan D. Brunelle" <Alan.Brunelle@hp.com>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Jens Axboe <jens.axboe@oracle.com>, linux-btrace@vger.kernel.org
Subject: [PATCH 2/2] Added in elevator switch message to blktrace stream
Date: Tue, 27 May 2008 12:45:33 +0000 [thread overview]
Message-ID: <483C026D.5060302@hp.com> (raw)
In-Reply-To: <483C0216.70008@hp.com>
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
next prev parent reply other threads:[~2008-05-27 12:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-27 12:44 [PATCH 1/2] Added in MESSAGE notes for blktraces Alan D. Brunelle
2008-05-27 12:45 ` Alan D. Brunelle [this message]
2008-05-27 12:52 ` Jens Axboe
2008-05-27 13:32 ` Jens Axboe
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=483C026D.5060302@hp.com \
--to=alan.brunelle@hp.com \
--cc=jens.axboe@oracle.com \
--cc=linux-btrace@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).