From: Alan D. Brunelle <Alan.Brunelle@hp.com>
Date: Tue, 7 Aug 2007 13:30:23 +0000 (+0200)
Subject: Fix remap handling by blktrace
X-Git-Tag: v2.6.23-rc3~12^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c7149d6bce2561aeaa48caaa1700aa8b3b22008f;p=pandora-kernel.git

Fix remap handling by blktrace

This patch provides more information concerning REMAP operations on block
IOs. The additional information provides clearer details at the user level,
and supports post-processing analysis in btt.

o  Adds in partition remaps on the same device.
o  Fixed up the remap information in DM to be in the right order
o  Sent up mapped-from and mapped-to device information

Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

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