Re: [PATCH v6 4/5] fuse: Ensure posix acls are translated outside of init_user_ns

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To: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Subject: Re: [PATCH v6 4/5] fuse: Ensure posix acls are translated outside of init_user_ns
From: Miklos Szeredi <mszeredi@xxxxxxxxxx>
Date: Mon, 26 Feb 2018 08:47:21 +0100
Cc: lkml <linux-kernel@xxxxxxxxxxxxxxx>, Linux Containers <containers@xxxxxxxxxxxxxxxxxxxxxxxxxx>, linux-fsdevel <linux-fsdevel@xxxxxxxxxxxxxxx>, Alban Crequy <alban@xxxxxxxxxx>, Seth Forshee <seth.forshee@xxxxxxxxxxxxx>, Sargun Dhillon <sargun@xxxxxxxxx>, Dongsu Park <dongsu@xxxxxxxxxx>, "Serge E. Hallyn" <serge@xxxxxxxxxx>
In-reply-to: <87mv004p0t.fsf@xmission.com>

On Thu, Feb 22, 2018 at 11:50 PM, Eric W. Biederman
<ebiederm@xxxxxxxxxxxx> wrote:

> So if we could figure out how to use the generic acl support for the old
> brand of fuse filesystems that don't set FUSE_POSIX_ACL it would be much
> easier to support them long term.

Simplest and most robust way seems to be to do everything the same (as
with FUSE_POSIX_ACL) but tell the vfs not to cache the acl.

Thanks,
Miklos

Follow-Ups:
- Re: [PATCH v6 4/5] fuse: Ensure posix acls are translated outside of init_user_ns
  - From: Eric W. Biederman

References:
- [PATCH v6 0/6] fuse: mounts from non-init user namespaces
  - From: Eric W. Biederman
- [PATCH v6 4/5] fuse: Ensure posix acls are translated outside of init_user_ns
  - From: Eric W. Biederman
- Re: [PATCH v6 4/5] fuse: Ensure posix acls are translated outside of init_user_ns
  - From: Miklos Szeredi
- Re: [PATCH v6 4/5] fuse: Ensure posix acls are translated outside of init_user_ns
  - From: Eric W. Biederman
- Re: [PATCH v6 4/5] fuse: Ensure posix acls are translated outside of init_user_ns
  - From: Eric W. Biederman

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