From: Josef Bacik <josef@redhat.com>
Date: Thu, 24 Mar 2011 13:54:24 +0000 (+0000)
Subject: dm: add flakey target
X-Git-Tag: v2.6.39-rc1~57^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3407ef5262b55ca5d7139d2b555ef792fe531eec;p=pandora-kernel.git

dm: add flakey target

This target is the same as the linear target except that it returns I/O
errors periodically.  It's been found useful in simulating failing
devices for testing purposes.

I needed a dm target to do some failure testing on btrfs's raid code, and
Mike pointed me at this.

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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