On Wed, Jun 01, 2022 at 06:34:05PM +0200, Jan Kara wrote:
> --- a/block/blk-cgroup.c
> +++ b/block/blk-cgroup.c
> @@ -1975,10 +1975,9 @@ EXPORT_SYMBOL_GPL(bio_associate_blkg);
> void bio_clone_blkg_association(struct bio *dst, struct bio *src)
> {
> if (src->bi_blkg) {
> + rcu_read_lock();
> + bio_associate_blkg_from_css(dst, bio_blkcg_css(src));
> + rcu_read_unlock();
What do we even need the rcu critical section here?
Otherwise looks good:
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
