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From: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
To: Christian Brauner <christian.brauner@ubuntu.com>
Cc: "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
	lkml <linux-kernel@vger.kernel.org>,
	Wolfgang Bumiller <w.bumiller@proxmox.com>,
	Serge Hallyn <serge@hallyn.com>,
	Alexander Viro <viro@zeniv.linux.org.uk>
Subject: Re: [PATCH] nsfs: add NS_GET_INIT_PID ioctl
Date: Thu, 18 Jun 2020 11:03:25 +0200	[thread overview]
Message-ID: <CAKgNAkjMmLmZPk08tK=mBjTqPF7X771Of79WD-YYXhN9cB2ULw@mail.gmail.com> (raw)
In-Reply-To: <20200618084543.326605-1-christian.brauner@ubuntu.com>

On Thu, 18 Jun 2020 at 10:45, Christian Brauner
<christian.brauner@ubuntu.com> wrote:
>
> Add an ioctl() to return the PID of the init process/child reaper of a pid
> namespace as seen in the caller's pid namespace.

What are the pros and cons of returning a PID FD instead of a PID?

Thanks,

Michael

  reply	other threads:[~2020-06-18  9:03 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-18  8:45 Christian Brauner
2020-06-18  9:03 ` Michael Kerrisk (man-pages) [this message]
2020-06-18  9:18   ` Christian Brauner
2020-07-10 11:58 ` Qian Cai
2020-07-10 12:01   ` Christian Brauner

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