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-rw-r--r--drivers/md/linear.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index b1eebf88c20..00cbc8e4729 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -318,14 +318,17 @@ static int linear_make_request (struct request_queue *q, struct bio *bio)
mddev_t *mddev = q->queuedata;
dev_info_t *tmp_dev;
sector_t block;
+ int cpu;
if (unlikely(bio_barrier(bio))) {
bio_endio(bio, -EOPNOTSUPP);
return 0;
}
- disk_stat_inc(mddev->gendisk, ios[rw]);
- disk_stat_add(mddev->gendisk, sectors[rw], bio_sectors(bio));
+ cpu = disk_stat_lock();
+ disk_stat_inc(cpu, mddev->gendisk, ios[rw]);
+ disk_stat_add(cpu, mddev->gendisk, sectors[rw], bio_sectors(bio));
+ disk_stat_unlock();
tmp_dev = which_dev(mddev, bio->bi_sector);
block = bio->bi_sector >> 1;