[Devel] [PATCH vz9 v2 00/65] ploop optimistations and scalling

[Alexander Atanasov]

On 12.02.25 11:32, Konstantin Khorenko wrote:
> Ploop processes requsts in a different threads in parallel
> where possible which results in significant improvement in
> performance and makes further optimistations possible.
> 
> v1:
>    - addressed feedback, i've left a few requests to merge changes
>      into bigger patches out, as to keep changes in smaller chunks
>    - patches merged and separated changes - generic cleanup
>    - fix endio for md page writeback
>    - background async allocation of space
>    - move enospc pios dispatch from timer to thread
>    - fixed allocations in atomic context
>    - fixed locking wrt userspace/interrupt context
>    - reworked discard cleanup
>    - removed workqueue, only use kthread code
>    - make metadata writeback works in parallel
>    - end fsync pios in parallel
>    - fixed current flags manipulation
> 
> v2:
>    - commit "dm-ploop: introduce pio.llist" appeared
>      It introduces the the pio.llist along with pio.list, gathered in an
>      union, so during the processes of switching between list users and
>      llist users, we could use appropriate fields without strict pointers
>      casts.


No, we should not add things that later will be removed - instead union,
please change type and remove casts.


-- 
Regards,
Alexander Atanasov