Enhanced partition statistics: remove old partition statistics

Removes the now unused old partition statistic code.

Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

block/blk-core.c

@@ -1219,10 +1219,6 @@ static inline void blk_partition_remap(struct bio *bio)
 
 	if (bio_sectors(bio) && bdev != bdev->bd_contains) {
 		struct hd_struct *p = bdev->bd_part;
-		const int rw = bio_data_dir(bio);
-
-		p->sectors[rw] += bio_sectors(bio);
-		p->ios[rw]++;
 
 		bio->bi_sector += p->start_sect;
 		bio->bi_bdev = bdev->bd_contains;

fs/partitions/check.c

@@ -330,8 +330,6 @@ void delete_partition(struct gendisk *disk, int part)
 	disk->part[part-1] = NULL;
 	p->start_sect = 0;
 	p->nr_sects = 0;
-	p->ios[0] = p->ios[1] = 0;
-	p->sectors[0] = p->sectors[1] = 0;
 	part_stat_set_all(p, 0);
 	kobject_put(p->holder_dir);
 	device_del(&p->dev);

include/linux/genhd.h

@@ -105,7 +105,6 @@ struct hd_struct {
 	sector_t nr_sects;
 	struct device dev;
 	struct kobject *holder_dir;
-	unsigned ios[2], sectors[2];	/* READs and WRITEs */
 	int policy, partno;
 #ifdef CONFIG_FAIL_MAKE_REQUEST
 	int make_it_fail;