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In-Reply-To: <YJcUvwo2pn0JEs27@zeniv-ca.linux.org.uk>
From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Sat, 8 May 2021 15:48:18 -0700
Message-ID: <CAHk-=wgbaLFNU3448HhUX7AZB1xxqTg=A8PLbzazQxR_ukyJsw@mail.gmail.com>
Subject: Re: [PATCH RFC 1/3] fs: introduce helper d_path_fast()
To:     Al Viro <viro@zeniv.linux.org.uk>
Cc:     Jia He <justin.he@arm.com>, Petr Mladek <pmladek@suse.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Sergey Senozhatsky <senozhatsky@chromium.org>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>,
        Jonathan Corbet <corbet@lwn.net>,
        Al Viro <viro@ftp.linux.org.uk>,
        Heiko Carstens <hca@linux.ibm.com>,
        Vasily Gorbik <gor@linux.ibm.com>,
        Christian Borntraeger <borntraeger@de.ibm.com>,
        "Eric W . Biederman" <ebiederm@xmission.com>,
        "Darrick J. Wong" <darrick.wong@oracle.com>,
        "Peter Zijlstra (Intel)" <peterz@infradead.org>,
        Ira Weiny <ira.weiny@intel.com>,
        Eric Biggers <ebiggers@google.com>,
        "Ahmed S. Darwish" <a.darwish@linutronix.de>,
        "open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
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On Sat, May 8, 2021 at 3:46 PM Al Viro <viro@zeniv.linux.org.uk> wrote:
>
> static inline struct mount *real_mount(struct vfsmount *mnt)
> {
>         return container_of(mnt, struct mount, mnt);

Too subtle for me indeed.

           Linus