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Date:   Fri, 23 Jul 2021 00:12:42 +0000
From:   Al Viro <viro@zeniv.linux.org.uk>
To:     Jens Axboe <axboe@kernel.dk>
Cc:     Pavel Begunkov <asml.silence@gmail.com>, io-uring@vger.kernel.org,
        linux-fsdevel@vger.kernel.org,
        Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH 3/3] io_uring: refactor io_sq_offload_create()
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On Fri, Jul 23, 2021 at 12:10:32AM +0000, Al Viro wrote:
> On Thu, Jul 22, 2021 at 05:42:55PM -0600, Jens Axboe wrote:
> 
> > > So how can we possibly get there with tsk->files == NULL and what does it
> > > have to do with files, anyway?
> > 
> > It's not the clearest, but the files check is just to distinguish between
> > exec vs normal cancel. For exec, we pass in files == NULL. It's not
> > related to task->files being NULL or not, we explicitly pass NULL for
> > exec.
> 
> Er...  So turn that argument into bool cancel_all, and pass false on exit and
> true on exit?
          ^^^^ exec, that is.  Sorry.