On Sun, 6 Feb 2022 17:52:38 +0800, Hao Xu wrote:
> wqe->lock is abused, it now protects acct->work_list, hash stuff,
> nr_workers, wqe->free_list and so on. Lets first get the work_list out
> of the wqe-lock mess by introduce a specific lock for work list. This
> is the first step to solve the huge contension between work insertion
> and work consumption.
> good thing:
> - split locking for bound and unbound work list
> - reduce contension between work_list visit and (worker's)free_list.
>
> [...]
Applied, thanks!
[1/3] io-wq: decouple work_list protection from the big wqe->lock
(no commit info)
[2/3] io-wq: reduce acct->lock crossing functions lock/unlock
(no commit info)
[3/3] io-wq: use IO_WQ_ACCT_NR rather than hardcoded number
(no commit info)
Best regards,
--
Jens Axboe
