This enables proper statistics in /proc/diskstats for md partitions.
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Song Liu <songliubraving@xxxxxx>
---
drivers/md/md.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 6072782070230..8d310d90001c8 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -464,6 +464,7 @@ struct md_io {
bio_end_io_t *orig_bi_end_io;
void *orig_bi_private;
unsigned long start_time;
+ struct hd_struct *part;
};
static void md_end_io(struct bio *bio)
@@ -471,7 +472,7 @@ static void md_end_io(struct bio *bio)
struct md_io *md_io = bio->bi_private;
struct mddev *mddev = md_io->mddev;
- disk_end_io_acct(mddev->gendisk, bio_op(bio), md_io->start_time);
+ part_end_io_acct(md_io->part, bio, md_io->start_time);
bio->bi_end_io = md_io->orig_bi_end_io;
bio->bi_private = md_io->orig_bi_private;
@@ -517,9 +518,8 @@ static blk_qc_t md_submit_bio(struct bio *bio)
bio->bi_end_io = md_end_io;
bio->bi_private = md_io;
- md_io->start_time = disk_start_io_acct(mddev->gendisk,
- bio_sectors(bio),
- bio_op(bio));
+ md_io->start_time = part_start_io_acct(mddev->gendisk,
+ &md_io->part, bio);
}
/* bio could be mergeable after passing to underlayer */
--
2.24.1
