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block: Remove extra discard_alignment from hd_struct.

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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>
This commit is contained in:
Tao Ma
2011-05-06 19:30:02 -06:00
committed by Jens Axboe
parent 8af1954d17
commit 23ceb5b771
2 changed files with 6 additions and 4 deletions
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include/linux/genhd.h
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@@ -100,7 +100,6 @@ struct hd_struct {
sector_t start_sect;
sector_t nr_sects;
sector_t alignment_offset;
unsigned int discard_alignment;
struct device __dev;
struct kobject *holder_dir;
int policy, partno;