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From: Christian Brauner <brauner@kernel.org>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: Miklos Szeredi <mszeredi@redhat.com>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-api@vger.kernel.org, linux-man@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	Karel Zak <kzak@redhat.com>, Ian Kent <raven@themaw.net>,
	David Howells <dhowells@redhat.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Al Viro <viro@zeniv.linux.org.uk>,
	Christian Brauner <christian@brauner.io>,
	Amir Goldstein <amir73il@gmail.com>
Subject: Re: [RFC PATCH 1/3] add unique mount ID
Date: Thu, 14 Sep 2023 11:36:35 +0200	[thread overview]
Message-ID: <20230914-jeweiligen-normung-47816c153531@brauner> (raw)
In-Reply-To: <CAJfpegv8ZVyyZN7ppSYMD4g8i7rAP1_5UBxzSo869_SKmFhgvw@mail.gmail.com>

> Yes, one concern is that humans confuse the old and the new ID.
> 
> I also think it makes sense to allow the new interfaces to look up the
> mount based on either the old or the new ID.   But I could be wrong

Hm, mount id recycling may happen so quickly that for service restarts
with a lot of mounts this becomes mostly useless...

> there, since that might encourage bad code.  Maybe the new interface
> should only use take the new ID, which means no mixed use of
> /proc/$$/mountinfo and statmnt/listmnt.

... so I think that is indeed the better way of doing things. There's no
need to encourage userspace to mix both identifiers.

  reply	other threads:[~2023-09-14  9:36 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-13 15:22 [RFC PATCH 0/3] quering mount attributes Miklos Szeredi
2023-09-13 15:22 ` [RFC PATCH 1/3] add unique mount ID Miklos Szeredi
2023-09-14  9:03   ` Christian Brauner
2023-09-14  9:30     ` Miklos Szeredi
2023-09-14  9:36       ` Christian Brauner [this message]
2023-09-14  9:43         ` Miklos Szeredi
2023-09-14 10:06           ` Christian Brauner
2023-09-15  1:31           ` Ian Kent
2023-09-13 15:22 ` [RFC PATCH 2/3] add statmnt(2) syscall Miklos Szeredi
2023-09-14  6:11   ` Amir Goldstein
2023-09-15  1:05     ` Ian Kent
2023-09-14  9:27   ` Christian Brauner
2023-09-14 10:13     ` Miklos Szeredi
2023-09-14 15:26       ` Christian Brauner
2023-09-15  8:56         ` Miklos Szeredi
2023-09-18 13:51           ` Christian Brauner
2023-09-18 14:14             ` Miklos Szeredi
2023-09-18 14:24               ` Christian Brauner
2023-09-18 14:32                 ` Miklos Szeredi
2023-09-18 14:40                   ` Christian Brauner
2023-09-18 14:51                     ` Miklos Szeredi
2023-09-18 15:22                       ` Christian Brauner
2023-09-18 15:39                         ` Miklos Szeredi
2023-09-19  0:37                           ` Matthew House
2023-09-19  8:02                             ` Miklos Szeredi
2023-09-19  9:07                               ` Christian Brauner
2023-09-19 10:51                                 ` Miklos Szeredi
2023-09-19 12:41                                   ` Christian Brauner
2023-09-19 12:59                                     ` Miklos Szeredi
2023-09-19 13:18                                       ` Christian Brauner
2023-09-19 21:28                               ` Matthew House
2023-09-20  9:42                                 ` Miklos Szeredi
2023-09-20 13:26                                   ` Matthew House
2023-09-21  7:34                                     ` Miklos Szeredi
2023-09-26 13:48               ` Florian Weimer
2023-09-26 14:06                 ` Miklos Szeredi
2023-09-26 14:19                   ` Florian Weimer
2023-09-26 14:33                     ` Miklos Szeredi
2023-09-26 14:39                       ` Florian Weimer
2023-09-26 14:36                     ` Christian Brauner
2023-09-26 14:13                 ` Christian Brauner
2023-09-18 20:58             ` Andreas Dilger
2023-09-19 12:50               ` Christian Brauner
2023-09-20  0:33                 ` Dave Chinner
2023-09-18 14:29         ` Jeff Layton
2023-09-18 14:35           ` Christian Brauner
2023-09-20  9:43           ` David Laight
2023-09-14 20:39   ` Paul Moore
2023-09-15  9:10     ` Miklos Szeredi
2023-09-17 18:18   ` Sargun Dhillon
2023-09-17 23:36     ` Ian Kent
2023-09-18 13:05       ` Christian Brauner
2023-09-25 12:57   ` Arnd Bergmann
2023-09-25 13:04     ` Christian Brauner
2023-09-25 13:13       ` Miklos Szeredi
2023-09-25 13:19         ` Christian Brauner
2023-09-25 13:20           ` Miklos Szeredi
2023-09-25 15:46             ` Arnd Bergmann
2023-09-26 10:05               ` Christian Brauner
2023-09-27  8:46             ` Miklos Szeredi
2023-09-13 15:22 ` [RFC PATCH 3/3] add listmnt(2) syscall Miklos Szeredi
2023-09-14  6:00   ` Amir Goldstein
2023-09-14  8:50     ` Miklos Szeredi
2023-09-14 10:01       ` Christian Brauner
2023-09-15  1:00     ` Ian Kent
2023-09-17  0:54   ` Matthew House
2023-09-17 14:32     ` Miklos Szeredi
2023-09-18 13:15       ` Christian Brauner
2023-09-19 16:47         ` Paul Moore
2023-09-28 10:07           ` Miklos Szeredi
2023-10-04 19:22             ` Paul Moore
2023-09-14  6:47 ` [RFC PATCH 0/3] quering mount attributes Amir Goldstein
2023-09-15  1:20   ` Ian Kent
2023-09-15  3:06     ` Amir Goldstein
2023-09-16  2:04       ` Ian Kent
2023-09-16  2:19       ` Ian Kent

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