linux-kernel - Re: [PATCH 20/39] afs: simplify procfs code

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Date:   Fri, 20 Apr 2018 13:29:34 +0100
From:   David Howells <dhowells@...hat.com>
To:     Christoph Hellwig <hch@....de>
Cc:     dhowells@...hat.com, Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        linux-kernel@...r.kernel.org, linux-afs@...ts.infradead.org,
        netdev@...r.kernel.org, Alexey Dobriyan <adobriyan@...il.com>
Subject: Re: [PATCH 20/39] afs: simplify procfs code

David Howells <dhowells@...hat.com> wrote:

> > Use remove_proc_subtree to remove the whole subtree on cleanup, and
> > unwind the registration loop into individual calls.  Switch to use
> > proc_create_seq where applicable.
> 
> Note that this is likely going to clash with my patch to net-namespace all of
> the afs proc files:
> 
> 	https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/commit/?h=mount-context&id=f60c26c827c073583107ebf19d87bc5c0e71c3d2
> 
> If it helps, I should be able to disentangle this from the mount-api changes
> since the subsequent patch connects the dots to propagate the network
> namespace over automount using the new fs_context to do it.

Okay, I'll follow up this mail with a pair of patches to just use network
namespacing in AFS.  The first exports a function from core code only; the
second is the actual modifications to AFS.

Note that this doesn't actually yet permit AFS to use any other namespace.
The propagation-over-automount issue is handled by a separate patch.

David