From: Jens Axboe <jens.axboe@oracle.com>
To: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Cc: device-mapper development <dm-devel@redhat.com>,
Li Zefan <lizf@cn.fujitsu.com>,
linux-kernel@vger.kernel.org, Alasdair G Kergon <agk@redhat.com>
Subject: Re: [PATCH] Add a tracepoint for block request remapping
Date: Mon, 21 Sep 2009 21:11:28 +0200 [thread overview]
Message-ID: <20090921191128.GF23126@kernel.dk> (raw)
In-Reply-To: <4AB7A8EE.9070607@ce.jp.nec.com>
On Tue, Sep 22 2009, Jun'ichi Nomura wrote:
> # Re-sending just the core bit.
>
> Since 2.6.31 now has request-based device-mapper, it's useful to have
> a tracepoint for request-remapping as well as bio-remapping.
> This patch adds a tracepoint for request-remapping, trace_block_rq_remap().
Applied to the upstream for-linus branch (for 2.6.32).
--
Jens Axboe
WARNING: multiple messages have this Message-ID (diff)
From: Jens Axboe <jens.axboe@oracle.com>
To: "Jun'ichi Nomura" <j-nomura@ce.jp.nec.com>
Cc: device-mapper development <dm-devel@redhat.com>,
linux-kernel@vger.kernel.org, Li Zefan <lizf@cn.fujitsu.com>,
Alasdair G Kergon <agk@redhat.com>
Subject: Re: [PATCH] Add a tracepoint for block request remapping
Date: Mon, 21 Sep 2009 21:11:28 +0200 [thread overview]
Message-ID: <20090921191128.GF23126@kernel.dk> (raw)
In-Reply-To: <4AB7A8EE.9070607@ce.jp.nec.com>
On Tue, Sep 22 2009, Jun'ichi Nomura wrote:
> # Re-sending just the core bit.
>
> Since 2.6.31 now has request-based device-mapper, it's useful to have
> a tracepoint for request-remapping as well as bio-remapping.
> This patch adds a tracepoint for request-remapping, trace_block_rq_remap().
Applied to the upstream for-linus branch (for 2.6.32).
--
Jens Axboe
next prev parent reply other threads:[~2009-09-21 19:11 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-21 16:25 [PATCH] Add a tracepoint for block request remapping Jun'ichi Nomura
2009-09-21 16:25 ` Jun'ichi Nomura
2009-09-21 19:11 ` Jens Axboe [this message]
2009-09-21 19:11 ` Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2009-09-18 1:42 Jun'ichi Nomura
2009-09-18 2:02 ` KOSAKI Motohiro
2009-09-18 5:57 ` Li Zefan
2009-09-18 5:57 ` Li Zefan
2009-09-18 14:34 ` Jun'ichi Nomura
2009-09-18 14:34 ` Jun'ichi Nomura
2009-09-18 10:45 ` Jens Axboe
2009-09-18 10:45 ` Jens Axboe
2009-09-18 17:05 ` Jun'ichi Nomura
2009-09-18 17:05 ` Jun'ichi Nomura
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