tree ed30346abf07c5a7e94719f567368d5642af1f95
parent 88e341261ca4d39eec21b212961c77eff51105f7
author Tejun Heo <tj@kernel.org> 1219661237 +0900
committer Jens Axboe <jens.axboe@oracle.com> 1223535364 +0200

block: misc updates

This patch makes the following misc updates in preparation for
disk->part dereference fix and extended block devt support.

* implment part_to_disk()

* fix comment about gendisk->part indexing

* rename get_part() to disk_map_sector()

* don't use n which is always zero while printing disk information in
  diskstats_show()

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>