linux-kernel - Re: [PATCH] fs/splice: don't block splice_direct_to

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Message-ID: <20230925-erstklassig-flausen-48e1bc11be30@brauner>
Date:   Mon, 25 Sep 2023 15:10:27 +0200
From:   Christian Brauner <brauner@...nel.org>
To:     Max Kellermann <max.kellermann@...os.com>
Cc:     Jens Axboe <axboe@...nel.dk>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fs/splice: don't block splice_direct_to_actor() after
 data was read

On Wed, Sep 20, 2023 at 08:16:04PM +0200, Max Kellermann wrote:
> On Wed, Sep 20, 2023 at 7:28 PM Jens Axboe <axboe@...nel.dk> wrote:
> > I think adding the flag for this case makes sense, and also exposing it
> > on the UAPI side.
> 
> OK. I suggest we get this patch merged first, and then I prepare a
> patch for wiring this into uapi, changing SPLICE_F_NOWAIT to 0x10 (the
> lowest free bit), add it to SPLICE_F_ALL and document it.
> 
> (If you prefer to have it all in this initial patch, I can amend and
> resubmit it with the uapi feature.)

Please resend it all in one patch. That's easier for all to review.