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From:   Chuck Lever <chuck.lever@oracle.com>
To:     Dan Aloni <dan@kernelim.com>, David Howells <dhowells@redhat.com>
CC:     Anna Schumaker <schumaker.anna@gmail.com>,
        Linux NFS Mailing List <linux-nfs@vger.kernel.org>
Subject: Re: [PATCH v2 0/5] SUNRPC: Create sysfs files for changing IP
Thread-Topic: [PATCH v2 0/5] SUNRPC: Create sysfs files for changing IP
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Date:   Tue, 2 Feb 2021 19:46:21 +0000
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> On Feb 2, 2021, at 2:24 PM, Dan Aloni <dan@kernelim.com> wrote:
>=20
> On Tue, Feb 02, 2021 at 01:52:10PM -0500, Anna Schumaker wrote:
>> You're welcome! I'll try to remember to CC him on future versions
>> On Tue, Feb 2, 2021 at 1:51 PM Chuck Lever <chuck.lever@oracle.com> wrot=
e:
>>>=20
>>> I want to ensure Dan is aware of this work. Thanks for posting, Anna!
>=20
> Thanks Anna and Chuck. I'm accessing and monitoring the mailing list via
> NNTP and I'm also on #linux-nfs for chatting (da-x).
>=20
> I see srcaddr was already discussed, so the patches I'm planning to send
> next will be based on the latest version of your patchset and concern
> multipath.
>=20
> What I'm going for is the following:
>=20
> - Expose transports that are reachable from xprtmultipath. Each in its
>  own sub-directory, with an interface and status representation similar
>  to the top directory.
> - A way to add/remove transports.
> - Inspiration for coding this is various other things in the kernel that
>  use configfs, perhaps it can be used here too.
>=20
> Also, what do you think would be a straightforward way for a userspace
> program to find what sunrpc client id serves a mountpoint? If we add an
> ioctl for the mountdir AFAIK it would be the first one that the NFS
> client supports, so I wonder if there's a better interface that can work
> for that.

Has the new mount API been merged? That provides a way to open
a mountpoint and get a file descriptor for it, and then write
commands to it.


--
Chuck Lever