tree f0613021d10b9e8464a26a78fcabf48e0f0b715b
parent 8af1954d172a46a63e5e79dae523a6d74715e458
author Tao Ma <boyu.mt@taobao.com> 1304731802 -0600
committer Jens Axboe <jaxboe@fusionio.com> 1304731802 -0600

block: Remove extra discard_alignment from hd_struct.

Currently, hd_struct.discard_alignment is only used when we
show /sys/block/sdx/sdx/discard_alignment. So remove it and
calculate when it is asked to show.

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>