On Fri, 28 Apr 2023 12:51:49 +0800, Tao Su wrote:
> Kernel hang in blkg_destroy_all() when total blkg greater than
> BLKG_DESTROY_BATCH_SIZE, because of not removing destroyed blkg in
> blkg_list. So the size of blkg_list is same after destroying a
> batch of blkg, and the infinite 'restart' occurs.
>
> Since blkg should stay on the queue list until blkg_free_workfn(),
> skip destroyed blkg when restart a new round, which will solve this
> kernel hang issue and satisfy the previous will to restart.
>
> [...]
Applied, thanks!
[1/1] block: Skip destroyed blkg when restart in blkg_destroy_all()
commit: 8176080d59e6d4ff9fc97ae534063073b4f7a715
Best regards,
--
Jens Axboe
