tree 05d342fb20877b9c8944ba9309f46f62094ef021
parent 90abb8c4cec8f0aa4ce58790542e3cf13071601a
author Kiyoshi Ueda <k-ueda@ct.jp.nec.com> 1260489134 +0000
committer Alasdair G Kergon <agk@redhat.com> 1260489134 +0000

dm: use clone in map_request function

This patch changes the argument of map_request() to clone request
from original request.  No functional change.

This patch is a preparation for PATCH 9, which needs to use
map_request() for clones sharing an original barrier request.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>