[Devel] [RFC PATCH vz9 v3 07/11] ploop: convert wait_list and wb_batch_llist to use lockless lists

[Alexander Atanasov]

On 24.10.24 11:04, Andrey Zhadchenko wrote:
> 
> 
> On 10/21/24 12:13, Alexander Atanasov wrote:

>> @@ -775,7 +775,6 @@ static void 
>> ploop_advance_local_after_bat_wb(struct ploop *ploop,
>>           i = PLOOP_MAP_OFFSET;
>>       dst_clu = piwb->kmpage;
>> -    write_lock_irqsave(&ploop->bat_rwlock, flags);
> 
> This unfrotunately won't do, since on discard we do in cycle
> ploop_piwb_discard_completed()->ploop_release_cluster()->lockdep_assert_held(&ploop->bat_rwlock);
> I will rework this place anyway though.
> 

I see there is an lockdep_assert_held but did you figure out exactly 
what is protecting the lock there?

-- 
Regards,
Alexander Atanasov