1. Backport patches from fedora:
git://pkgs.fedoraproject.org/rpms/device-mapper-multipath
- 0001 ~ 0028
2. drop obsolute patch and rebase still needed patch
rebased patch: 0029~0031
Signed-off-by: Changqing Li <changqing.li@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>