From: "Aurélien Aptel" <aaptel@suse.com>
To: Steve French <smfrench@gmail.com>,
"Eric W. Biederman" <ebiederm@xmission.com>
Cc: David Howells <dhowells@redhat.com>,
trond.myklebust@hammerspace.com,
Anna Schumaker <anna.schumaker@netapp.com>,
Steve French <sfrench@samba.org>,
Steve Dickson <steved@redhat.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Linus Torvalds <torvalds@linux-foundation.org>,
ebiederm@redhat.com, linux-api@vger.kernel.org,
linux-security-module@vger.kernel.org,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-nfs@vger.kernel.org, CIFS <linux-cifs@vger.kernel.org>,
linux-afs@lists.infradead.org, ceph-devel@vger.kernel.org,
v9fs-developer@lists.sourceforge.net
Subject: Re: Should we split the network filesystem setup into two phases?
Date: Thu, 16 Aug 2018 19:23:23 +0200 [thread overview]
Message-ID: <87tvnuz0ms.fsf@suse.com> (raw)
In-Reply-To: <CAH2r5muKOWBe9zMM8duNJ3rp1bzQh-mUj5zYoARO5pmc4de_+A@mail.gmail.com>
Steve French <smfrench@gmail.com> writes:
> In cifs we attempt to match new mounts to existing tree connections
> (instances of connections to a \\server\share) from other mount(s)
> based first on whether security settings match (e.g. are both
> Kerberos) and then on whether encryption is on/off and whether this is
> a snapshot mount (smb3 previous versions feature). If neither is
> mounted with a snaphsot and the encryption settings match then
> we will use the same tree id to talk with the server as the other
> mounts use. Interesting idea to allow mount to force a new
> tree id.
We actually already have this mount option in cifs.ko, it's "nosharesock".
> What was the NFS mount option you were talking about?
> Looking at the nfs man page the only one that looked similar
> was "nosharecache"
Cheers,
--
Aurélien Aptel / SUSE Labs Samba Team
GPG: 1839 CB5F 9F5B FB9B AA97 8C99 03C8 A49B 521B D5D3
SUSE Linux GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
WARNING: multiple messages have this Message-ID (diff)
From: aaptel@suse.com (Aurélien Aptel)
To: linux-security-module@vger.kernel.org
Subject: Should we split the network filesystem setup into two phases?
Date: Thu, 16 Aug 2018 19:23:23 +0200 [thread overview]
Message-ID: <87tvnuz0ms.fsf@suse.com> (raw)
In-Reply-To: <CAH2r5muKOWBe9zMM8duNJ3rp1bzQh-mUj5zYoARO5pmc4de_+A@mail.gmail.com>
Steve French <smfrench@gmail.com> writes:
> In cifs we attempt to match new mounts to existing tree connections
> (instances of connections to a \\server\share) from other mount(s)
> based first on whether security settings match (e.g. are both
> Kerberos) and then on whether encryption is on/off and whether this is
> a snapshot mount (smb3 previous versions feature). If neither is
> mounted with a snaphsot and the encryption settings match then
> we will use the same tree id to talk with the server as the other
> mounts use. Interesting idea to allow mount to force a new
> tree id.
We actually already have this mount option in cifs.ko, it's "nosharesock".
> What was the NFS mount option you were talking about?
> Looking at the nfs man page the only one that looked similar
> was "nosharecache"
Cheers,
--
Aur?lien Aptel / SUSE Labs Samba Team
GPG: 1839 CB5F 9F5B FB9B AA97 8C99 03C8 A49B 521B D5D3
SUSE Linux GmbH, Maxfeldstra?e 5, 90409 N?rnberg, Germany
GF: Felix Imend?rffer, Jane Smithard, Graham Norton, HRB 21284 (AG N?rnberg)
next prev parent reply other threads:[~2018-08-16 17:23 UTC|newest]
Thread overview: 222+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-01 15:23 [PATCH 00/33] VFS: Introduce filesystem context [ver #11] David Howells
2018-08-01 15:23 ` David Howells
2018-08-01 15:23 ` David Howells
2018-08-01 15:24 ` [PATCH 01/33] vfs: syscall: Add open_tree(2) to reference or clone a mount " David Howells
2018-08-02 17:31 ` Alan Jenkins
2018-08-02 21:29 ` Al Viro
2018-08-02 21:29 ` Al Viro
2018-08-02 21:51 ` David Howells
2018-08-02 23:46 ` Alan Jenkins
2018-08-01 15:24 ` [PATCH 02/33] vfs: syscall: Add move_mount(2) to move mounts around " David Howells
2018-08-01 15:24 ` [PATCH 03/33] teach move_mount(2) to work with OPEN_TREE_CLONE " David Howells
2018-10-12 14:25 ` Alan Jenkins
2018-08-01 15:24 ` [PATCH 04/33] vfs: Suppress MS_* flag defs within the kernel unless explicitly enabled " David Howells
2018-08-01 15:24 ` [PATCH 05/33] vfs: Introduce the basic header for the new mount API's filesystem context " David Howells
2018-08-01 15:24 ` [PATCH 06/33] vfs: Introduce logging functions " David Howells
2018-08-01 15:24 ` [PATCH 07/33] vfs: Add configuration parser helpers " David Howells
2018-08-01 15:24 ` [PATCH 08/33] vfs: Add LSM hooks for the new mount API " David Howells
2018-08-01 15:24 ` David Howells
2018-08-01 20:50 ` James Morris
2018-08-01 20:50 ` James Morris
2018-08-01 22:53 ` David Howells
2018-08-01 22:53 ` David Howells
2018-08-01 15:25 ` [PATCH 09/33] selinux: Implement the new mount API LSM hooks " David Howells
2018-08-01 15:25 ` David Howells
2018-08-01 15:25 ` [PATCH 10/33] smack: Implement filesystem context security " David Howells
2018-08-01 15:25 ` David Howells
2018-08-01 15:25 ` [PATCH 11/33] apparmor: Implement security hooks for the new mount API " David Howells
2018-08-01 15:25 ` David Howells
2018-08-01 15:25 ` [PATCH 12/33] tomoyo: " David Howells
2018-08-01 15:25 ` David Howells
2018-08-01 15:25 ` [PATCH 13/33] vfs: Separate changing mount flags full remount " David Howells
2018-08-01 15:25 ` [PATCH 14/33] vfs: Implement a filesystem superblock creation/configuration context " David Howells
2018-09-11 17:46 ` Guenter Roeck
2018-09-11 21:52 ` David Howells
2018-09-11 22:07 ` Guenter Roeck
2018-09-11 23:17 ` David Howells
2018-09-11 23:54 ` Guenter Roeck
2018-09-18 9:07 ` Sergey Senozhatsky
2018-09-18 9:40 ` Sergey Senozhatsky
2018-09-18 14:06 ` Guenter Roeck
2018-09-19 1:12 ` Sergey Senozhatsky
2018-09-19 1:26 ` Sergey Senozhatsky
2018-09-18 15:34 ` David Howells
2018-09-18 16:39 ` David Howells
2018-09-18 17:43 ` David Howells
2018-09-19 1:15 ` Sergey Senozhatsky
2018-09-18 9:54 ` Sergey Senozhatsky
2018-09-18 15:28 ` David Howells
2018-08-01 15:25 ` [PATCH 15/33] vfs: Remove unused code after filesystem context changes " David Howells
2018-08-01 15:25 ` [PATCH 16/33] procfs: Move proc_fill_super() to fs/proc/root.c " David Howells
2018-08-01 15:26 ` [PATCH 17/33] proc: Add fs_context support to procfs " David Howells
2018-08-01 15:26 ` [PATCH 18/33] ipc: Convert mqueue fs to fs_context " David Howells
2018-08-01 15:26 ` [PATCH 19/33] cpuset: Use " David Howells
2018-08-01 15:26 ` [PATCH 20/33] kernfs, sysfs, cgroup, intel_rdt: Support " David Howells
2018-08-01 15:26 ` [PATCH 21/33] hugetlbfs: Convert to " David Howells
2018-08-01 15:26 ` [PATCH 22/33] vfs: Remove kern_mount_data() " David Howells
2018-08-01 15:26 ` [PATCH 23/33] vfs: Provide documentation for new mount API " David Howells
2018-08-01 15:26 ` [PATCH 24/33] Make anon_inodes unconditional " David Howells
2018-08-01 15:26 ` [PATCH 25/33] vfs: syscall: Add fsopen() to prepare for superblock creation " David Howells
2018-08-01 15:27 ` [PATCH 26/33] vfs: Implement logging through fs_context " David Howells
2018-08-01 15:27 ` [PATCH 27/33] vfs: Add some logging to the core users of the fs_context log " David Howells
2018-08-01 15:27 ` [PATCH 28/33] vfs: syscall: Add fsconfig() for configuring and managing a context " David Howells
2018-08-06 17:28 ` Eric W. Biederman
2018-08-09 14:14 ` David Howells
2018-08-09 14:14 ` David Howells
2018-08-09 14:24 ` David Howells
2018-08-09 14:24 ` David Howells
2018-08-09 14:35 ` Miklos Szeredi
2018-08-09 16:33 ` David Howells
2018-08-11 20:20 ` David Howells
2018-08-11 23:26 ` Andy Lutomirski
2018-08-09 15:32 ` Eric W. Biederman
2018-08-01 15:27 ` [PATCH 29/33] vfs: syscall: Add fsmount() to create a mount for a superblock " David Howells
2018-08-01 15:27 ` [PATCH 30/33] vfs: syscall: Add fspick() to select a superblock for reconfiguration " David Howells
2018-08-24 14:51 ` Miklos Szeredi
2018-08-24 14:54 ` Andy Lutomirski
2018-08-01 15:27 ` [PATCH 31/33] afs: Add fs_context support " David Howells
2018-08-01 15:27 ` [PATCH 32/33] afs: Use fs_context to pass parameters over automount " David Howells
2018-08-01 15:27 ` [PATCH 33/33] vfs: Add a sample program for the new mount API " David Howells
2018-08-10 14:05 ` BUG: Mount ignores mount options Eric W. Biederman
2018-08-10 14:05 ` Eric W. Biederman
2018-08-10 14:05 ` Eric W. Biederman
2018-08-10 14:36 ` Andy Lutomirski
2018-08-10 14:36 ` Andy Lutomirski
2018-08-10 14:36 ` Andy Lutomirski
2018-08-10 15:13 ` David Howells
2018-08-10 15:13 ` David Howells
2018-08-10 15:13 ` David Howells
2018-08-10 15:17 ` Eric W. Biederman
2018-08-10 15:17 ` Eric W. Biederman
2018-08-10 15:17 ` Eric W. Biederman
2018-08-10 15:24 ` Al Viro
2018-08-10 15:24 ` Al Viro
2018-08-10 15:24 ` Al Viro
2018-08-10 15:11 ` David Howells
2018-08-10 15:11 ` David Howells
2018-08-10 15:11 ` David Howells
2018-08-10 15:39 ` Theodore Y. Ts'o
2018-08-10 15:39 ` Theodore Y. Ts'o
2018-08-10 15:39 ` Theodore Y. Ts'o
2018-08-10 15:39 ` Theodore Y. Ts'o
2018-08-10 15:53 ` David Howells
2018-08-10 15:53 ` David Howells
2018-08-10 15:53 ` David Howells
2018-08-10 16:14 ` Theodore Y. Ts'o
2018-08-10 16:14 ` Theodore Y. Ts'o
2018-08-10 16:14 ` Theodore Y. Ts'o
2018-08-10 16:14 ` Theodore Y. Ts'o
2018-08-10 20:06 ` Andy Lutomirski
2018-08-10 20:06 ` Andy Lutomirski
2018-08-10 20:06 ` Andy Lutomirski
2018-08-10 20:46 ` Theodore Y. Ts'o
2018-08-10 20:46 ` Theodore Y. Ts'o
2018-08-10 20:46 ` Theodore Y. Ts'o
2018-08-10 22:12 ` Darrick J. Wong
2018-08-10 22:12 ` Darrick J. Wong
2018-08-10 22:12 ` Darrick J. Wong
2018-08-10 23:54 ` Theodore Y. Ts'o
2018-08-10 23:54 ` Theodore Y. Ts'o
2018-08-10 23:54 ` Theodore Y. Ts'o
2018-08-10 23:54 ` Theodore Y. Ts'o
[not found] ` <20180810235447.GK627-AKGzg7BKzIDYtjvyW6yDsg@public.gmane.org>
2018-08-11 0:38 ` Darrick J. Wong
2018-08-11 0:38 ` Darrick J. Wong
2018-08-11 0:38 ` Darrick J. Wong
2018-08-11 0:38 ` Darrick J. Wong
2018-08-11 1:32 ` Eric W. Biederman
2018-08-11 1:32 ` Eric W. Biederman
2018-08-11 1:32 ` Eric W. Biederman
2018-08-13 16:35 ` Alan Cox
2018-08-13 16:35 ` Alan Cox
2018-08-13 16:35 ` Alan Cox
2018-08-13 16:48 ` Andy Lutomirski
2018-08-13 16:48 ` Andy Lutomirski
2018-08-13 16:48 ` Andy Lutomirski
2018-08-13 17:29 ` Al Viro
2018-08-13 17:29 ` Al Viro
2018-08-13 17:29 ` Al Viro
2018-08-13 19:00 ` James Morris
2018-08-13 19:00 ` James Morris
2018-08-13 19:00 ` James Morris
2018-08-13 19:20 ` Casey Schaufler
2018-08-13 19:20 ` Casey Schaufler
2018-08-13 19:20 ` Casey Schaufler
2018-08-15 23:29 ` Serge E. Hallyn
2018-08-15 23:29 ` Serge E. Hallyn
2018-08-15 23:29 ` Serge E. Hallyn
[not found] ` <20180810161400.GA627-AKGzg7BKzIDYtjvyW6yDsg@public.gmane.org>
2018-08-11 0:28 ` Eric W. Biederman
2018-08-11 0:28 ` Eric W. Biederman
2018-08-11 0:28 ` Eric W. Biederman
2018-08-10 15:55 ` Casey Schaufler
2018-08-10 15:55 ` Casey Schaufler
2018-08-10 15:55 ` Casey Schaufler
2018-08-10 15:55 ` Casey Schaufler
2018-08-10 16:11 ` David Howells
2018-08-10 16:11 ` David Howells
2018-08-10 16:11 ` David Howells
2018-08-10 18:00 ` Eric W. Biederman
2018-08-10 18:00 ` Eric W. Biederman
2018-08-11 1:19 ` Eric W. Biederman
2018-08-11 1:19 ` Eric W. Biederman
2018-08-11 1:19 ` Eric W. Biederman
[not found] ` <87pnyphf8i.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-08-11 7:29 ` David Howells
2018-08-11 7:29 ` David Howells
2018-08-11 7:29 ` David Howells
2018-08-11 16:31 ` Andy Lutomirski
2018-08-11 16:31 ` Andy Lutomirski
2018-08-11 16:31 ` Andy Lutomirski
[not found] ` <9B6E2781-484B-4C42-95F5-F900EA36CEA5-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>
2018-08-11 16:51 ` Al Viro
2018-08-11 16:51 ` Al Viro
2018-08-11 16:51 ` Al Viro
2018-08-10 15:11 ` Tetsuo Handa
2018-08-10 15:11 ` Tetsuo Handa
2018-08-10 15:16 ` Al Viro
2018-08-10 15:16 ` Al Viro
2018-08-10 15:16 ` Al Viro
[not found] ` <20180810151606.GA6515-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>
2018-08-11 1:05 ` Eric W. Biederman
2018-08-11 1:05 ` Eric W. Biederman
2018-08-11 1:05 ` Eric W. Biederman
[not found] ` <87pnypiufr.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-08-11 1:46 ` Theodore Y. Ts'o
2018-08-11 1:46 ` Theodore Y. Ts'o
2018-08-11 1:46 ` Theodore Y. Ts'o
2018-08-11 4:48 ` Eric W. Biederman
2018-08-11 4:48 ` Eric W. Biederman
2018-08-11 4:48 ` Eric W. Biederman
[not found] ` <8736vlo6ef.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2018-08-11 17:47 ` Casey Schaufler
2018-08-11 17:47 ` Casey Schaufler
2018-08-11 17:47 ` Casey Schaufler
2018-08-15 4:03 ` Eric W. Biederman
2018-08-15 4:03 ` Eric W. Biederman
2018-08-15 4:03 ` Eric W. Biederman
2018-08-11 1:58 ` Al Viro
2018-08-11 1:58 ` Al Viro
2018-08-11 1:58 ` Al Viro
2018-08-11 2:17 ` Al Viro
2018-08-11 2:17 ` Al Viro
2018-08-11 2:17 ` Al Viro
2018-08-11 4:43 ` Eric W. Biederman
2018-08-11 4:43 ` Eric W. Biederman
2018-08-11 4:43 ` Eric W. Biederman
2018-08-13 12:54 ` Miklos Szeredi
2018-08-13 12:54 ` Miklos Szeredi
2018-08-13 12:54 ` Miklos Szeredi
2018-08-15 16:31 ` Should we split the network filesystem setup into two phases? David Howells
2018-08-15 16:31 ` David Howells
2018-08-15 16:51 ` Andy Lutomirski
2018-08-15 16:51 ` Andy Lutomirski
2018-08-15 16:51 ` Andy Lutomirski
2018-08-16 3:51 ` Steve French
2018-08-16 3:51 ` Steve French
2018-08-16 5:06 ` Eric W. Biederman
2018-08-16 5:06 ` Eric W. Biederman
2018-08-16 16:24 ` Steve French
2018-08-16 16:24 ` Steve French
2018-08-16 17:21 ` Eric W. Biederman
2018-08-16 17:21 ` Eric W. Biederman
2018-08-16 17:23 ` Aurélien Aptel [this message]
2018-08-16 17:23 ` Aurélien Aptel
2018-08-16 18:36 ` Steve French
2018-08-16 18:36 ` Steve French
2018-08-16 18:36 ` Steve French
2018-08-17 23:11 ` Al Viro
2018-08-17 23:11 ` Al Viro
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