Hi Bart,
On Mon, Jan 30, 2023 at 03:22:57PM -0800, Bart Van Assche wrote:
> Since commit 0a9a25ca7843 ("block: let blkcg_gq grab request queue's
> refcnt") for many request queues the reference count drops to 1 when
> the request queue is destroyed instead of to 0. In other words, the
> request queue is leaked. Fix this by reverting that commit.
When/where you observe that the reference count drops to 1 instead of 0?
Do you have kmem leak log?
Probably, the last drop is in blkg_free_workfn().
Thanks,
Ming
