On Fri, Apr 28, 2023 at 11:24:20AM -0600, Jens Axboe wrote: > > 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! Axboe, thanks! Tao > > [1/1] block: Skip destroyed blkg when restart in blkg_destroy_all() > commit: 8176080d59e6d4ff9fc97ae534063073b4f7a715 > > Best regards, > -- > Jens Axboe > > >
