dm: refactor bio cloning
authorAlasdair G Kergon <agk@redhat.com>
Fri, 1 Mar 2013 22:45:47 +0000 (22:45 +0000)
committerAlasdair G Kergon <agk@redhat.com>
Fri, 1 Mar 2013 22:45:47 +0000 (22:45 +0000)
Refactor part of the bio splitting and cloning code to try to make it
easier to understand.

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

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