Subject: Re: How do you get /proc/fs/nfs/exports to populate?
References: <567E812E.2040204@gmail.com> <568103AF.2010500@gmail.com>
 <20151228102116.4f687c6e@tlielax.poochiereds.net>
To: linux-nfs@vger.kernel.org
From: dE <de.techno@gmail.com>
Message-ID: <5681FB44.3020704@gmail.com>
Date: Tue, 29 Dec 2015 08:47:24 +0530
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Sender: linux-nfs-owner@vger.kernel.org

Thanks for clearing that up. Explains the erratic behavior without mountd.

On 12/28/15 20:51, Jeff Layton wrote:
> On Mon, 28 Dec 2015 15:11:03 +0530
> dE <de.techno@gmail.com> wrote:
>
>> Ok, got it.
>>
>> It happens that those are made after a mount request.
>>
> Well, there is no such thing as a mount request, per-se in NFSv4. What
> happens is that you try to walk down to the point where you're mounting
> and access that inode, and nfsd upcalls to mountd to see whether that's
> allowed. That populates the cache.
>
> You can't really run nfsd without mountd (or something equivalent)
> since something needs to populate the exports table. If you're running
> a v4-only server though, then mountd doesn't need to be network-facing
> however.
>
>> On 12/26/15 17:29, dE wrote:
>>> Hi!
>>>      I'm running nfs-utils without init script or systemd unit assistance.
>>>
>>> Since I'm using nfsv4, I'm eliminating the need to start mountd.
>>>
>>> Now if mountd is gone, who populates /proc/fs/nfs/exports?
>>>
>>> But even after running mountd (after an exportfs -a), this file still
>>> does not have any entries.
>>>
>>> Running rpc.nfsd with --
>>>
>>> rpc.nfsd -d --syslog --port 10000
>>>
>>> rpc.mountd runs without any arguments.
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