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References: <20210202184244.288898-1-Anna.Schumaker@Netapp.com> <75F3F315-84AA-41A0-A43A-C531042A9C47@oracle.com>
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From:   Anna Schumaker <schumaker.anna@gmail.com>
Date:   Tue, 2 Feb 2021 13:52:10 -0500
Message-ID: <CAFX2JfktYGe4vDtXogFHurdyz4TJx5APj9pb-J5HmsDGC99kaA@mail.gmail.com>
Subject: Re: [PATCH v2 0/5] SUNRPC: Create sysfs files for changing IP
To:     Chuck Lever <chuck.lever@oracle.com>
Cc:     Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
        Dan Aloni <dan@kernelim.com>
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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> wrote:
>
> I want to ensure Dan is aware of this work. Thanks for posting, Anna!
>
> > On Feb 2, 2021, at 1:42 PM, schumaker.anna@gmail.com wrote:
> >
> > From: Anna Schumaker <Anna.Schumaker@Netapp.com>
> >
> > It's possible for an NFS server to go down but come back up with a
> > different IP address. These patches provide a way for administrators to
> > handle this issue by providing a new IP address for xprt sockets to
> > connect to.
> >
> > Chuck has suggested some ideas for future work that could also use this
> > interface, such as:
> > - srcaddr: To move between network devices on the client
> > - type: "tcp", "rdma", "local"
> > - bound: 0 for autobind, or the result of the most recent rpcbind query
> > - connected: either true or false
> > - last: read-only timestamp of the last operation to use the transport
> > - device: A symlink to the physical network device
> >
> > Changes in v2:
> > - Put files under /sys/kernel/sunrpc/ instead of /sys/net/sunrpc/
> > - Rename file from "address" to "dstaddr"
> >
> > Thoughts?
> > Anna
> >
> >
> > Anna Schumaker (5):
> >  sunrpc: Create a sunrpc directory under /sys/kernel/
> >  sunrpc: Create a net/ subdirectory in the sunrpc sysfs
> >  sunrpc: Create per-rpc_clnt sysfs kobjects
> >  sunrpc: Prepare xs_connect() for taking NULL tasks
> >  sunrpc: Create a per-rpc_clnt file for managing the destination IP
> >    address
> >
> > include/linux/sunrpc/clnt.h |   1 +
> > net/sunrpc/Makefile         |   2 +-
> > net/sunrpc/clnt.c           |   5 ++
> > net/sunrpc/sunrpc_syms.c    |   8 ++
> > net/sunrpc/sysfs.c          | 168 ++++++++++++++++++++++++++++++++++++
> > net/sunrpc/sysfs.h          |  22 +++++
> > net/sunrpc/xprtsock.c       |   3 +-
> > 7 files changed, 207 insertions(+), 2 deletions(-)
> > create mode 100644 net/sunrpc/sysfs.c
> > create mode 100644 net/sunrpc/sysfs.h
> >
> > --
> > 2.29.2
> >
>
> --
> Chuck Lever
>
>
>