libceph: rename ceph_osd_request::r_{oloc,oid} to r_base_{oloc,oid}

Rename ceph_osd_request::r_{oloc,oid} to r_base_{oloc,oid} before
introducing r_target_{oloc,oid} needed for redirects.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>

diff --cc drivers/block/rbd.c
Simple merge

diff --cc include/linux/ceph/osd_client.h
Simple merge

diff --cc net/ceph/debugfs.c
Simple merge

diff --cc net/ceph/osd_client.c
Simple merge