linux-kernel - Re: [PATCH v3 0/4] forbid fix {SQ,IO}POLL

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Message-ID: <128dce39-c847-5cc3-42e7-e4eeb51b60ba@gmail.com>
Date:   Wed, 3 Jun 2020 18:14:13 +0300
From:   Pavel Begunkov <asml.silence@...il.com>
To:     Jens Axboe <axboe@...nel.dk>, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/4] forbid fix {SQ,IO}POLL

Not sure how this strange cv subject got copy-pasted, but
hopefully it's clear what it does from the description.

On 03/06/2020 18:03, Pavel Begunkov wrote:
> The first one adds checks {SQPOLL,IOPOLL}. IOPOLL check can be
> moved in the common path later, or rethinked entirely, e.g.
> not io_iopoll_req_issued()'ed for unsupported opcodes.
> 
> 3 others are just cleanups on top.
> 
> 
> v2: add IOPOLL to the whole bunch of opcodes in [1/4].
>     dirty and effective.
> v3: sent wrong set in v2, re-sending right one 
> 
> Pavel Begunkov (4):
>   io_uring: fix {SQ,IO}POLL with unsupported opcodes
>   io_uring: do build_open_how() only once
>   io_uring: deduplicate io_openat{,2}_prep()
>   io_uring: move send/recv IOPOLL check into prep
> 
>  fs/io_uring.c | 94 ++++++++++++++++++++++++++-------------------------
>  1 file changed, 48 insertions(+), 46 deletions(-)
> 

-- 
Pavel Begunkov