On Wed, Dec 01, 2021 at 11:27:12AM +0800, Li Jinlin wrote:
> diff --git a/drivers/md/md.c b/drivers/md/md.c
> index 5111ed966947..f47035838c43 100644
> --- a/drivers/md/md.c
> +++ b/drivers/md/md.c
> @@ -8429,14 +8429,14 @@ static int is_mddev_idle(struct mddev *mddev, int init)
> {
> struct md_rdev *rdev;
> int idle;
> - int curr_events;
> + long curr_events;
>
> idle = 1;
> rcu_read_lock();
> rdev_for_each_rcu(rdev, mddev) {
> struct gendisk *disk = rdev->bdev->bd_disk;
> - curr_events = (int)part_stat_read_accum(disk->part0, sectors) -
> - atomic_read(&disk->sync_io);
> + curr_events = (long)part_stat_read_accum(disk->part0, sectors) -
> + atomic64_read(&disk->sync_io);
And what makes you believe you might not have to go and change all other
drivers to address this as well?
> static inline void md_sync_acct_bio(struct bio *bio, unsigned long nr_sectors)
> diff --git a/include/linux/genhd.h b/include/linux/genhd.h
> index 74c410263113..efa7884de11b 100644
> --- a/include/linux/genhd.h
> +++ b/include/linux/genhd.h
> @@ -150,7 +150,7 @@ struct gendisk {
> struct list_head slave_bdevs;
> #endif
> struct timer_rand_state *random;
> - atomic_t sync_io; /* RAID */
> + atomic64_t sync_io; /* RAID */
> struct disk_events *ev;
> #ifdef CONFIG_BLK_DEV_INTEGRITY
> struct kobject integrity_kobj;
> --
> 2.31.1
Luis
