From: Tao Ma <boyu.mt@taobao.com>
Date: Sat, 7 May 2011 01:30:02 +0000 (-0600)
Subject: block: Remove extra discard_alignment from hd_struct.
X-Git-Tag: v3.0-rc1~163^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=23ceb5b7719e9276d4fa72a3ecf94dd396755276;p=pandora-kernel.git

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>
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