tree 716416a4d4798a26e174a50563987796c82e12f1
parent 2b5fc648af5eec2f4fe984cb6b926214e02c5cf4
author Alex Elder <elder@inktank.com> 1352917518 -0600
committer Alex Elder <elder@inktank.com> 1358462098 -0600

rbd: pull in ceph_calc_raw_layout()

This is the first in a series of patches aimed at eliminating
the use of ceph_calc_raw_layout() by rbd.

It simply pulls in a copy of that function and renames it
rbd_calc_raw_layout().

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>