linux-kernel - Re: [PATCH 09/17] file: Implement fnext

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Date:   Wed, 19 Aug 2020 11:32:05 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     Christian Brauner <christian.brauner@...ntu.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "<linux-fsdevel@...r.kernel.org>" <linux-fsdevel@...r.kernel.org>,
        criu@...nvz.org, bpf <bpf@...r.kernel.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Oleg Nesterov <oleg@...hat.com>,
        Cyrill Gorcunov <gorcunov@...il.com>,
        Jann Horn <jann@...jh.net>, Kees Cook <keescook@...omium.org>,
        Daniel P. Berrangé <berrange@...hat.com>,
        Jeff Layton <jlayton@...hat.com>,
        Miklos Szeredi <miklos@...redi.hu>,
        Matthew Wilcox <willy@...ian.org>,
        "J. Bruce Fields" <bfields@...ldses.org>,
        Matthew Wilcox <matthew@....cx>,
        Trond Myklebust <trond.myklebust@....uio.no>,
        Chris Wright <chrisw@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Andrii Nakryiko <andriin@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...omium.org>
Subject: Re: [PATCH 09/17] file: Implement fnext_task

On Wed, Aug 19, 2020 at 6:25 AM Eric W. Biederman <ebiederm@...ssion.com> wrote:
>
> So I sat down and played with it and here is what I wound up with is:
>
> __fcheck_files -> files_lookup_fd_raw
> fcheck_files   -> files_lookup_fd_locked
> fcheck_files   -> files_lookup_fd_rcu
> fcheck         -> lookup_fd_rcu
> ...
> fcheck_task    -> task_lookup_fd_fcu
> fnext_task     -> task_lookup_next_fd_rcu

This certainly looks fine to me. No confusion about what it does. So Ack.

                   Linus