linux-kernel - Re: [PATCH 01/14] VFS: Add additional RESOLVE

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Message-ID: <530115.1583788384@warthog.procyon.org.uk>
Date:   Mon, 09 Mar 2020 21:13:04 +0000
From:   David Howells <dhowells@...hat.com>
To:     Stefan Metzmacher <metze@...ba.org>
Cc:     dhowells@...hat.com, torvalds@...ux-foundation.org,
        viro@...iv.linux.org.uk, Aleksa Sarai <cyphar@...har.com>,
        raven@...maw.net, mszeredi@...hat.com, christian@...uner.io,
        jannh@...gle.com, darrick.wong@...cle.com, kzak@...hat.com,
        jlayton@...hat.com, linux-api@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/14] VFS: Add additional RESOLVE_* flags [ver #18]

Stefan Metzmacher <metze@...ba.org> wrote:

> > Automounting is currently forced by doing an open(), so adding support to
> > openat2() for RESOLVE_NO_TRAILING_AUTOMOUNTS is not trivial.
> 
> lookup_flags &= ~LOOKUP_AUTOMOUNT won't work?

No.  LOOKUP_OPEN overrides that.

David