Signed-off-by: Ryo Onodera <ryo...@gmail.com>
---
 drivers/block/brd.c |    7 +++++++
 1 file changed, 7 insertions(+)
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 531ceb3..181b2d7 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -332,6 +332,7 @@ static void brd_make_request(struct request_queue *q, 
struct bio *bio)
        sector_t sector;
        int i;
        int err = -EIO;
+       int cpu;
 
        sector = bio->bi_sector;
        if (sector + (bio->bi_size >> SECTOR_SHIFT) >
@@ -348,6 +349,12 @@ static void brd_make_request(struct request_queue *q, 
struct bio *bio)
        if (rw == READA)
                rw = READ;
 
+       cpu = part_stat_lock();
+       part_stat_inc(cpu, &brd->brd_disk->part0, ios[rw]);
+       part_stat_add(cpu, &brd->brd_disk->part0, sectors[rw],
+                                       bio_sectors(bio));
+       part_stat_unlock();
+
        bio_for_each_segment(bvec, bio, i) {
                unsigned int len = bvec->bv_len;
                err = brd_do_bvec(brd, bvec->bv_page, len,
-- 
1.7.9.5



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