linux-kernel - Re: copy on write for splice() from file to pipe?

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Message-ID: <CAHk-=whQ_V1ZE6jhQKHDk1MKvEkjpF2Pj-OcRQRXBTMsNpA1YA@mail.gmail.com>
Date:   Sat, 11 Feb 2023 10:57:54 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Ming Lei <ming.lei@...hat.com>, Andy Lutomirski <luto@...nel.org>,
        Dave Chinner <david@...morbit.com>,
        Matthew Wilcox <willy@...radead.org>,
        Stefan Metzmacher <metze@...ba.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Linux API Mailing List <linux-api@...r.kernel.org>,
        io-uring <io-uring@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Samba Technical <samba-technical@...ts.samba.org>
Subject: Re: copy on write for splice() from file to pipe?

On Sat, Feb 11, 2023 at 7:33 AM Jens Axboe <axboe@...nel.dk> wrote:
>
> OK, but then the ignore_sig change should not be needed at all, just
> changing that first bit to fatal_signal_pending() would do the trick?

Right. That was my point. The 'ignore_sig' flag just doesn't make
sense. It was a hack for a case that shouldn't exist.

              Linus