From: Jeff Layton <jlayton@kernel.org>
To: Christian Brauner <brauner@kernel.org>,
Jori Koolstra <jkoolstra@xs4all.nl>
Cc: "Andy Lutomirski" <luto@kernel.org>,
"Thomas Gleixner" <tglx@kernel.org>,
"Ingo Molnar" <mingo@redhat.com>,
"Borislav Petkov" <bp@alien8.de>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
x86@kernel.org, "Alexander Viro" <viro@zeniv.linux.org.uk>,
"Arnd Bergmann" <arnd@arndb.de>,
"H . Peter Anvin" <hpa@zytor.com>, "Jan Kara" <jack@suse.cz>,
"Peter Zijlstra" <peterz@infradead.org>,
"Andrey Albershteyn" <aalbersh@redhat.com>,
"Masami Hiramatsu" <mhiramat@kernel.org>,
"Jiri Olsa" <jolsa@kernel.org>,
"Thomas Weißschuh" <thomas.weissschuh@linutronix.de>,
"Mathieu Desnoyers" <mathieu.desnoyers@efficios.com>,
"Aleksa Sarai" <cyphar@cyphar.com>,
cmirabil@redhat.com,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-api@vger.kernel.org, linux-arch@vger.kernel.org
Subject: Re: [RFC PATCH v2 1/2] vfs: syscalls: add mkdirat2() that returns an O_DIRECTORY fd
Date: Tue, 28 Apr 2026 07:39:37 +0100 [thread overview]
Message-ID: <0028f90b0d06cdfcf6b306941fdc3dcbe6c6ab0d.camel@kernel.org> (raw)
In-Reply-To: <20260427-umlegen-aufbau-ee3a97f1528a@brauner>
On Mon, 2026-04-27 at 17:48 +0200, Christian Brauner wrote:
>
>
> And side-question: @Jeff, can nfs atomic open deal with O_CREAT |
> O_DIRECTORY?
>
No, it can't. OPEN calls only work on regular files. This is why
O_DIRECTORY works on NFS. If we end up issuing an OPEN against a
directory, it'll fail, which is what we want in that situation.
--
Jeff Layton <jlayton@kernel.org>
next prev parent reply other threads:[~2026-04-28 6:39 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-12 13:54 [RFC PATCH v2 0/2] vfs: syscalls: add mkdirat2() that returns an O_DIRECTORY fd Jori Koolstra
2026-04-12 13:54 ` [RFC PATCH v2 1/2] " Jori Koolstra
2026-04-24 10:09 ` Mateusz Guzik
2026-04-27 15:14 ` Christian Brauner
2026-04-27 16:30 ` Mateusz Guzik
2026-04-28 8:55 ` Christian Brauner
2026-04-28 14:39 ` Mateusz Guzik
2026-04-27 15:48 ` Christian Brauner
2026-04-28 1:14 ` Aleksa Sarai
2026-04-28 6:39 ` Jeff Layton [this message]
2026-04-28 7:01 ` Jeff Layton
2026-04-28 13:39 ` Stefan Metzmacher
2026-04-28 13:49 ` Stefan Metzmacher
2026-04-28 14:01 ` Paulo Alcantara
2026-04-12 13:54 ` [RFC PATCH v2 2/2] selftest: add tests for mkdirat2() Jori Koolstra
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