On Wed, 2018-04-11 at 12:57 -0700, tj@xxxxxxxxxx wrote: > On Wed, Apr 11, 2018 at 01:55:25PM -0600, Bart Van Assche wrote: > > On 04/11/18 13:00, Alexandru Moise wrote: > > > But the root cause of it is in blkcg_init_queue() when blkg_create() returns > > > an ERR ptr, because it tries to insert into a populated index into blkcg->blkg_tree, > > > the entry that we fail to remove at __blk_release_queue(). > > > > Hello Alex, > > > > Had you considered something like the untested patch below? > > But queue init shouldn't fail here, right? Hello Tejun, Your question is not entirely clear to me. Are you referring to the atomic allocations in blkg_create() or are you perhaps referring to something else? Bart.
