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

[Hao Xu <haoxu@linux.alibaba.com>]

在 2021/12/5 上午4:58, Pavel Begunkov 写道:
> 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.
Gotcha.
> 
> 
>> 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(-)
>>
>