From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BC5033AD510 for ; Fri, 26 Jun 2026 13:18:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782479907; cv=none; b=oFzFS4MN8+pHe7yfYYlburIndGIHJP2knv91q4CXpe+rJDbwY6GPPeMzRIhDzxUJqM+OQzt+d4nDVt9fDb8Cgq7rWX4M3x65XMddkd4StVemxQj6gZwlmllGq3ylcSs74Duke5D4WAve/VqkZmrR4alav1Ht0Ku0/CY++EjWJjw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782479907; c=relaxed/simple; bh=luFSe4CihzgmHXEB76fiyz43LqRoclEJTrdqRo1H0bo=; h=MIME-Version:Date:From:To:Cc:Message-Id:In-Reply-To:References: Subject:Content-Type; b=HIuiGgUEqrz+6BHNzXxamnECfQvUrEnD4lVTdPMgw/mZw5UU+LGJDEn4SuE6u73Y+rKZ5vt18lnMBtTpYBH//Q5wiRvHO6e7YrO8VBgZ1BG+N4B7a/S0HMCb8X4jFhhKCPLBEs+wKbXgsoZq3BMr/j7CNxuPcSbyp/hX+SmUz5M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dN/9ewM3; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dN/9ewM3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B16C1F000E9; Fri, 26 Jun 2026 13:18:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782479906; bh=G4OSa/okgMjoo+tWfOyar7hk9voOfYv3Bc8E3yII4Mc=; h=Date:From:To:Cc:In-Reply-To:References:Subject; b=dN/9ewM32z3d/xYCItTiutRoyJk/a10iJYi9WDvGtfGtkjldku7Ibj8gtXACXFCmB GjgsnjCVOmQGQeMXw0he+PqzfCRCuZ2xIvRdP/2GWfWx6L6IcSq9L/DvPjcckEdaoK 7M4ScKsydGOdwUOkqIAPV7k0cFAnP87BsM6+uu04+EVWoJfUVoA7Eb0iE2vXZRUHyc ILYWnuwvW93+QekEFmAcf9lyhtJATaJLlDIWOqcAqM+eBB8+dwb6S8dOQT8qxrjS70 o7MDtL8kX0Gti+xOUhyutLqkJ3PQq1y9j0QuYBf04DAWMrumgqVAlEIZkoyWLj4xXk WJqc9VO8W101A== Received: from phl-compute-10.internal (phl-compute-10.internal [10.202.2.50]) by mailfauth.phl.internal (Postfix) with ESMTP id 66116F40071; Fri, 26 Jun 2026 09:18:25 -0400 (EDT) Received: from phl-imap-15 ([10.202.2.104]) by phl-compute-10.internal (MEProxy); Fri, 26 Jun 2026 09:18:25 -0400 X-ME-Sender: X-ME-Proxy-Cause: dmFkZTF5v+TUHaIkGi0xqpxXPosQLM2NTeWcTJYhrXqmwCg4V3Zuf26yLWa5BU/VueGPTr ienX/2WpuDeQGOACdqNfD2Smv4crIqGIP5X+2G9CK2sxAi2c67soXjJKGi+i0JHODHQY0z wAEcnJCyPR/B7UFdvv+AquXXXvB5QnqVAfLUTJPikd8cwLjUAlahJScLtLGzKM436AzkEu ti4ez0H4ffVXxO6BduCWTJLwDgSIk9w6XquocMQIo4SAjHUIG2MvhZR/1lLAcqYJ+CMg/1 9/anw+8BVNdMsWzYusLNArEvoIlDeMDTdXa7tCEQBkqPtnTbua7qogGUdSQO2qL/cj+KGJ LKX6JN/YuJQLO4JLF3706AJc0pQdugnxCPG110UYLWsu/wopvORVd3AFAsSetvNsUy6CtS BewxMNMNE62kvJsRAFRS9OE/6iH+DOX0K9QUe1sgig9PcsV4CzCeGmjSrdY7s9oHwzKBJE xLaXTA5vcN5PWbsQ87kpDRXZwIGCx3QLm4VgVXeLSStuI3J8j+Mq+x0qs6U0gBZTCsIQPu MX40GcRgZ76MonohZdtu6FrPMcejeIXGpXIw2/SwcpkIu+RO3R1SICHlF6DfLe8gRZ8UnL 8I92rQQEhaZX+uC2KnZ+vPQKt7iOXNa2XdYSP+30wLTHsgGpsc0hXqUdHiUQ X-ME-Proxy: Feedback-ID: ifa6e4810:Fastmail Received: by mailuser.phl.internal (Postfix, from userid 501) id 46B15780AB9; Fri, 26 Jun 2026 09:18:25 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: AWid7F4iEUkZ Date: Fri, 26 Jun 2026 09:18:05 -0400 From: "Chuck Lever" To: NeilBrown , "Jeff Layton" Cc: "Trond Myklebust" , "Anna Schumaker" , "Olga Kornievskaia" , "Dai Ngo" , "Tom Talpey" , linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Message-Id: In-Reply-To: <178244005168.27465.2587255049421564152@noble.neil.brown.name> References: <20260625-sunrpc-pool-mode-v2-1-4f512b6e1ee8@kernel.org> <178244005168.27465.2587255049421564152@noble.neil.brown.name> Subject: Re: [PATCH v2] sunrpc: hardcode pool_mode to pernode, remove other modes Content-Type: text/plain Content-Transfer-Encoding: 7bit On Thu, Jun 25, 2026, at 10:14 PM, NeilBrown wrote: > Regarding Chucks comments, I think a minimum of one thread per node, > rather than a minimum of one thread total, is the sensible approach. > Of course if there exist memory-only nodes, they wouldn't need a thread. What happens when transport work is scheduled on a memory-only pool? Obviously there's no execution engine there, even if we do provide one or more threads. -- Chuck Lever