diff options
-rw-r--r-- | drivers/md/md.c | 4 | ||||
-rw-r--r-- | drivers/md/md.h | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index f28e41f9ac4a..00bbafcd27bb 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -8583,6 +8583,10 @@ static int is_mddev_idle(struct mddev *mddev, int init) rcu_read_lock(); rdev_for_each_rcu(rdev, mddev) { struct gendisk *disk = rdev->bdev->bd_disk; + + if (!init && !blk_queue_io_stat(disk->queue)) + continue; + curr_events = (long long)part_stat_read_accum(disk->part0, sectors) - atomic64_read(&disk->sync_io); diff --git a/drivers/md/md.h b/drivers/md/md.h index d0db98c0d33b..029dd0491a36 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -621,7 +621,8 @@ extern void mddev_unlock(struct mddev *mddev); static inline void md_sync_acct(struct block_device *bdev, unsigned long nr_sectors) { - atomic64_add(nr_sectors, &bdev->bd_disk->sync_io); + if (blk_queue_io_stat(bdev->bd_disk->queue)) + atomic64_add(nr_sectors, &bdev->bd_disk->sync_io); } static inline void md_sync_acct_bio(struct bio *bio, unsigned long nr_sectors) |