Re: [PATCH v6 0/6] task work optimization

[Pavel Begunkov <asml.silence@gmail.com>]

On 11/26/21 10:07, Hao Xu wrote:
> v4->v5
> - change the implementation of merge_wq_list
> 
> v5->v6
> - change the logic of handling prior task list to:
>    1) grabbed uring_lock: leverage the inline completion infra
>    2) otherwise: batch __req_complete_post() calls to save
>       completion_lock operations.

FYI, took 5/6 into another patchset to avoid conflicts.

also, you can remove "[pavel: ...]" from patches, I was just
leaving them as a hint that the patches were very slightly
modified. I'll retest/etc. once you fix 6/6. Hopefully, will
be merged soon, the patches already had been bouncing around
for too long.


> Hao Xu (6):
>    io-wq: add helper to merge two wq_lists
>    io_uring: add a priority tw list for irq completion work
>    io_uring: add helper for task work execution code
>    io_uring: split io_req_complete_post() and add a helper
>    io_uring: move up io_put_kbuf() and io_put_rw_kbuf()
>    io_uring: batch completion in prior_task_list
> 
>   fs/io-wq.h    |  22 +++++++
>   fs/io_uring.c | 168 ++++++++++++++++++++++++++++++++++----------------
>   2 files changed, 136 insertions(+), 54 deletions(-)
> 

-- 
Pavel Begunkov