linux-kernel - [PATCH v2 0/5] nfsd/sunrpc: allow starting/stopping pooled NFS server via netlink

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Message-Id: <20240613-nfsd-next-v2-0-20bf690d65fb@kernel.org>
Date: Thu, 13 Jun 2024 08:16:37 -0400
From: Jeff Layton <jlayton@...nel.org>
To: Chuck Lever <chuck.lever@...cle.com>, Neil Brown <neilb@...e.de>, 
 Olga Kornievskaia <kolga@...app.com>, Dai Ngo <Dai.Ngo@...cle.com>, 
 Tom Talpey <tom@...pey.com>, "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>, Lorenzo Bianconi <lorenzo@...nel.org>
Cc: Trond Myklebust <trond.myklebust@...merspace.com>, 
 Anna Schumaker <anna@...nel.org>, linux-nfs@...r.kernel.org, 
 linux-kernel@...r.kernel.org, netdev@...r.kernel.org, 
 Jeff Layton <jlayton@...nel.org>
Subject: [PATCH v2 0/5] nfsd/sunrpc: allow starting/stopping pooled NFS
 server via netlink

This is a resend of the patchset I sent a little over a week ago, with
a couple of new patches that allow setting the pool-mode via netlink.

This patchset first attempts to detangle the pooled/non-pooled service
handling in the sunrpc layer, unifies the codepaths that start the
pooled vs. non-pooled nfsd, and then wires up the new netlink threads
interface to allow you to start a pooled server by specifying an
array of thread counts.

Signed-off-by: Jeff Layton <jlayton@...nel.org>
---
Changes in v2:
- add new pool-mode set/get netlink calls

---
Jeff Layton (5):
      sunrpc: fix up the special handling of sv_nrpools == 1
      nfsd: make nfsd_svc call nfsd_set_nrthreads
      nfsd: allow passing in array of thread counts via netlink
      sunrpc: refactor pool_mode setting code
      nfsd: new netlink ops to get/set server pool_mode

 Documentation/netlink/specs/nfsd.yaml |  27 +++++++++
 fs/nfsd/netlink.c                     |  17 ++++++
 fs/nfsd/netlink.h                     |   2 +
 fs/nfsd/nfsctl.c                      | 102 +++++++++++++++++++++++++++++-----
 fs/nfsd/nfsd.h                        |   3 +-
 fs/nfsd/nfssvc.c                      |  30 +++++-----
 include/linux/sunrpc/svc.h            |   3 +
 include/uapi/linux/nfsd_netlink.h     |  10 ++++
 net/sunrpc/svc.c                      | 102 +++++++++++++++++++++-------------
 9 files changed, 225 insertions(+), 71 deletions(-)
---
base-commit: fec4124bac55ad92c47585fe537e646fe108b8fa
change-id: 20240604-nfsd-next-b04c0d2d89a9

Best regards,
-- 
Jeff Layton <jlayton@...nel.org>