linux-kernel - Re: [PATCH v2 0/8] nfsd, sunrpc: allow for a dynamically-sized threadpool

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Message-ID: <176783211844.3906223.2883879157306428101.b4-ty@oracle.com>
Date: Wed,  7 Jan 2026 19:28:51 -0500
From: Chuck Lever <cel@...nel.org>
To: NeilBrown <neil@...wn.name>,
	Olga Kornievskaia <okorniev@...hat.com>,
	Dai Ngo <Dai.Ngo@...cle.com>,
	Tom Talpey <tom@...pey.com>,
	Trond Myklebust <trondmy@...nel.org>,
	Anna Schumaker <anna@...nel.org>,
	Jeff Layton <jlayton@...nel.org>
Cc: Chuck Lever <chuck.lever@...cle.com>,
	linux-nfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/8] nfsd, sunrpc: allow for a dynamically-sized threadpool

From: Chuck Lever <chuck.lever@...cle.com>

On Tue, 06 Jan 2026 13:59:42 -0500, Jeff Layton wrote:
> This version of the patchset fixes a number of warts in the first, and
> hopefully gets this closer to something mergeable.
> 
> This patchset allows nfsd to dynamically size its threadpool as needed.
> The main user-visible change is the addition of new controls that allow
> the admin to set a minimum number of threads.
> 
> [...]

Applied to nfsd-testing, thanks!

[1/8] sunrpc: split svc_set_num_threads() into two functions
      commit: 039d0b7837eaad0d904631df3ec26b4961ee740a
[2/8] sunrpc: remove special handling of NULL pool from svc_start/stop_kthreads()
      commit: 040f69a4bff8ba6236d69bca06c62adb7588268b
[3/8] sunrpc: track the max number of requested threads in a pool
      commit: 2672a852bfc6d7597a8b202cf5ee813a4a04b1b8
[4/8] sunrpc: introduce the concept of a minimum number of threads per pool
      commit: 80099415fa314dec028bbb3e904ed57ddea55d1c
[5/8] sunrpc: split new thread creation into a separate function
      commit: ad23853b5e7bc156652fd957425d6891dd864ea1
[6/8] sunrpc: allow svc_recv() to return -ETIMEDOUT and -EBUSY
      commit: a37178a2642f98fd6cbed39fa0c508dce3bd7bf8
[7/8] nfsd: adjust number of running nfsd threads based on activity
      commit: f375bafd744fa40cdc48d252e5f5db1242100881
[8/8] nfsd: add controls to set the minimum number of threads per pool
      commit: fe054be1747e1754bc81ea3dabbf85dfab2bed27

--
Chuck Lever