From: Josh Triplett <josh@joshtriplett.org>
To: Djalal Harouni <tixxdz@gmail.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
Chris Mason <clm@fb.com>,
tytso@mit.edu, Serge Hallyn <serge.hallyn@canonical.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Andy Lutomirski <luto@kernel.org>,
Seth Forshee <seth.forshee@canonical.com>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org,
Dongsu Park <dongsu@endocode.com>,
David Herrmann <dh.herrmann@googlemail.com>,
Miklos Szeredi <mszeredi@redhat.com>,
Alban Crequy <alban.crequy@gmail.com>
Subject: Re: [RFC v2 PATCH 0/8] VFS:userns: support portable root filesystems
Date: Wed, 4 May 2016 09:34:56 -0700 [thread overview]
Message-ID: <20160504163456.GA13196@x> (raw)
In-Reply-To: <1462372014-3786-1-git-send-email-tixxdz@gmail.com>
On Wed, May 04, 2016 at 04:26:46PM +0200, Djalal Harouni wrote:
> This is version 2 of the VFS:userns support portable root filesystems
> RFC. Changes since version 1:
>
> * Update documentation and remove some ambiguity about the feature.
> Based on Josh Triplett comments.
Thanks for the clarifications.
> 3) The existing user namespace interface is the one used to do the
> translation from virtual to on-disk mapping.
This makes sense. Even if in the future we had a way to supply an
arbitrary VFS UID/GID mapping for a mount, independent of the userns,
what you've proposed would still make sense as a shorthand for the
common case of using the same mapping for both userns and VFS.
- Josh Triplett
next prev parent reply other threads:[~2016-05-04 16:35 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-04 14:26 [RFC v2 PATCH 0/8] VFS:userns: support portable root filesystems Djalal Harouni
2016-05-04 14:26 ` [RFC v2 PATCH 1/8] VFS: add CLONE_MNTNS_SHIFT_UIDGID flag to allow mounts to shift their UIDs/GIDs Djalal Harouni
2016-05-04 14:26 ` [RFC v2 PATCH 2/8] VFS:uidshift: add flags and helpers to shift UIDs and GIDs to virtual view Djalal Harouni
2016-05-04 14:26 ` [RFC v2 PATCH 3/8] fs: Treat foreign mounts as nosuid Djalal Harouni
2016-05-04 23:19 ` Serge Hallyn
2016-05-05 13:05 ` Seth Forshee
2016-05-05 22:40 ` Djalal Harouni
2016-05-04 14:26 ` [RFC v2 PATCH 4/8] VFS:userns: shift UID/GID to virtual view during permission access Djalal Harouni
2016-05-04 14:26 ` [RFC v2 PATCH 5/8] VFS:userns: add helpers to shift UIDs and GIDs into on-disk view Djalal Harouni
2016-05-04 14:26 ` [RFC v2 PATCH 6/8] VFS:userns: shift UID/GID to on-disk view before any write to disk Djalal Harouni
2016-05-04 14:26 ` [RFC v2 PATCH 7/8] ext4: add support for vfs_shift_uids and vfs_shift_gids mount options Djalal Harouni
2016-05-04 14:26 ` [RFC v2 PATCH 8/8] btrfs: " Djalal Harouni
2016-05-04 16:34 ` Josh Triplett [this message]
2016-05-04 21:06 ` [RFC v2 PATCH 0/8] VFS:userns: support portable root filesystems James Bottomley
2016-05-05 7:36 ` Djalal Harouni
2016-05-05 11:56 ` James Bottomley
2016-05-05 21:49 ` Djalal Harouni
2016-05-05 22:08 ` James Bottomley
2016-05-10 23:36 ` James Bottomley
2016-05-11 0:38 ` Al Viro
2016-05-11 0:53 ` Al Viro
2016-05-11 3:47 ` James Bottomley
2016-05-11 16:42 ` Djalal Harouni
2016-05-11 18:33 ` James Bottomley
2016-05-12 19:55 ` Djalal Harouni
2016-05-12 22:24 ` James Bottomley
2016-05-14 9:53 ` Djalal Harouni
2016-05-14 13:46 ` James Bottomley
2016-05-15 2:21 ` Eric W. Biederman
2016-05-15 15:04 ` James Bottomley
2016-05-16 14:12 ` Seth Forshee
2016-05-16 16:42 ` Eric W. Biederman
2016-05-16 18:25 ` Seth Forshee
2016-05-16 19:13 ` James Bottomley
2016-05-17 22:40 ` Eric W. Biederman
2016-05-17 11:42 ` Djalal Harouni
2016-05-17 15:42 ` Djalal Harouni
2016-05-04 23:30 ` Serge Hallyn
2016-05-06 14:38 ` Djalal Harouni
2016-05-09 16:26 ` Serge Hallyn
2016-05-10 10:33 ` Djalal Harouni
2016-05-05 0:23 ` Dave Chinner
2016-05-05 1:44 ` Andy Lutomirski
2016-05-05 2:25 ` Dave Chinner
2016-05-05 3:29 ` Andy Lutomirski
2016-05-05 22:34 ` Djalal Harouni
2016-05-05 22:24 ` Djalal Harouni
2016-05-06 2:50 ` Dave Chinner
2016-05-12 19:47 ` Djalal Harouni
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