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Subject: Re: LXC broken with 5.10-stable?, ok with 5.9-stable (Re: Linux
 5.10.3)
To:     Linus Torvalds <torvalds@linux-foundation.org>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        stable <stable@vger.kernel.org>, lwn@lwn.net,
        Jiri Slaby <jslaby@suse.cz>
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 <5ab86253-7703-e892-52b7-e6a8af579822@iki.fi>
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 <b45f1065-2da9-08c0-26f2-e5b69e780bc6@iki.fi>
 <CAHk-=wgy6NQrTMwiEWpHUPvW-nfgX7XrBrsxQ6TkRy6NasSFQg@mail.gmail.com>
From:   Jussi Kivilinna <jussi.kivilinna@iki.fi>
Message-ID: <d6c82d0c-52e9-0dc2-a08a-b6f26ecfdf75@iki.fi>
Date:   Sun, 27 Dec 2020 23:07:03 +0200
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On 27.12.2020 21.05, Linus Torvalds wrote:
> On Sun, Dec 27, 2020 at 10:39 AM Jussi Kivilinna <jussi.kivilinna@iki.fi> wrote:
>>
>> 5.10.3 with patch compiles fine, but does not solve the issue.
> 
> Duh. adding the read_iter only fixes kernel_read(). For splice, it also needs a
> 
>          .splice_read = generic_file_splice_read,
> 
> in the file operations, something like this...
> 
> Does that get things working?
> 

Yes, LXC works for me now. Thanks.

-Jussi