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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Wed, 4 Nov 2020 09:53:56 -0800
Message-ID: <CAHk-=whzWXASyyzs3veAUZznCT2+EeeBaX3o8w8NsKNL+woarQ@mail.gmail.com>
Subject: Re: support splice reads on seq_file based procfs files v2
To:     Christoph Hellwig <hch@lst.de>
Cc:     Al Viro <viro@zeniv.linux.org.uk>,
        Greg KH <gregkh@linuxfoundation.org>,
        Alexey Dobriyan <adobriyan@gmail.com>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Wed, Nov 4, 2020 at 12:29 AM Christoph Hellwig <hch@lst.de> wrote:
>
> Greg reported a problem due to the fact that Android tests use procfs
> files to test splice, which stopped working with 5.10-rc1.  This series
> adds read_iter support for seq_file, and uses those for various seq_files
> in procfs to restore splice read support.

Ack.

Al, do you want me to take these directly - we'll need this to avoid
the regression in 5.10?  Or do you have other things pending and I'll
see them in a pull request.

             Linus