linux-kernel - Re: linux-next: manual merge of the selinux tree with the vfs tree

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Date:   Tue, 27 Nov 2018 22:50:13 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Ondrej Mosnacek <omosnace@...hat.com>
Cc:     Paul Moore <paul@...l-moore.com>,
        Al Viro <viro@...iv.linux.org.uk>, linux-next@...r.kernel.org,
        Linux kernel mailing list <linux-kernel@...r.kernel.org>,
        David Howells <dhowells@...hat.com>, selinux@...r.kernel.org,
        linux-fsdevel@...r.kernel.org
Subject: Re: linux-next: manual merge of the selinux tree with the vfs tree

Hi Ondrej,

On Tue, 27 Nov 2018 09:53:32 +0100 Ondrej Mosnacek <omosnace@...hat.com> wrote:
>
> Hm... seems that there was some massive overhaul in the VFS code right
> at the wrong moment... There are new hooks for mounting now and the

The mount changes have been in linux-next since before the last
release ...

> code that our commit changes is now here:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git/tree/security/selinux/hooks.c?h=for-next#n3131
> 
> It seems that the logic is still the same, just now our patch (or the
> VFS one) needs to be updated to change the above line as such
> (untested pseudo-patch):
> 
> - if (fc->purpose == FS_CONTEXT_FOR_KERNEL_MOUNT)
> + if (fc->purpose == (FS_CONTEXT_FOR_KERNEL_MOUNT|FS_CONTEXT_FOR_SUBMOUNT))

OK, so from tomorrow I will use that merge resolution.  Someone needs
to remember to tell Linus about this when the latter of the vfs and
selinux trees reach him.

Thanks for the better resolution.
-- 
Cheers,
Stephen Rothwell

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