block: Remove extra discard_alignment from hd_struct.
authorTao Ma <boyu.mt@taobao.com>
Sat, 7 May 2011 01:30:02 +0000 (19:30 -0600)
committerJens Axboe <jaxboe@fusionio.com>
Sat, 7 May 2011 01:30:02 +0000 (19:30 -0600)
commitf71f24ec5f7cc597165228116ce62cf66e8b49b8
treef0613021d10b9e8464a26a78fcabf48e0f0b715b
parentd67400b45c216cc4ad492c129df1f92ff0231c7d
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>
fs/partitions/check.c
include/linux/genhd.h