From: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Date: Thu, 1 Oct 2009 19:16:13 +0000 (+0200)
Subject: Add a tracepoint for block request remapping
X-Git-Tag: v2.6.33-rc1~379^2~99
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a35e0f6443f4266dad4c569c55c57a9032596fa;p=pandora-kernel.git

Add a tracepoint for block request remapping

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().

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Cc: Alasdair G Kergon <agk@redhat.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

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