On 22/01/2020 23:09, Pavel Begunkov wrote:
> There are 2 problems addressed:
> 1. it never calls *_prep() when going through IOSQE_ASYNC path.
> 2. non-head linked reqs ignore IOSQE_ASYNC.

Those two are intentionally short for quick fix up. I'll prepare something
prettier on top of that a bit later.

> 
> Also, there could be yet another problem, when we bypass io_issue_req()
> and going straight to async.
> 
> Pavel Begunkov (2):
>   io_uring: prep req when do IOSQE_ASYNC
>   io_uring: honor IOSQE_ASYNC for linked reqs
> 
>  fs/io_uring.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 

-- 
Pavel Begunkov