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authorJun'ichi Nomura <j-nomura@ce.jp.nec.com>2009-10-01 21:16:13 +0200
committerJens Axboe <jens.axboe@oracle.com>2009-10-01 21:16:13 +0200
commit1a35e0f6443f4266dad4c569c55c57a9032596fa (patch)
tree58380f5d8f3c313fbb9fd0310509a408b38a0399 /lib
parentca80650cfbde5b17a5fa957a261c7973f84599a7 (diff)
downloadop-kernel-dev-1a35e0f6443f4266dad4c569c55c57a9032596fa.zip
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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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