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 67A0251AFD5 for ; Tue, 13 Oct 2026 19:10:13 +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=1791918614; cv=none; b=o3NcdE+XhS3TVF2eKDuBwR/S1vgSUoyz56m3EOPRAxFY4Sh3mxuxRTF6mz2jUJv+XHaf9SnS/RkEBzXvUr9Sj172TEgeSmyzTcxA0BbJj+wiH883+yJ9Cg3IPLAKYk1C4GZyAoTF96M2ikA9zU9jjhbdXeSsF7iScG+qIrJ9fUo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791918614; c=relaxed/simple; bh=kgDt0QtjD4rWqE26JI0a9S1+vEnqhAt5PUTkanFcZfU=; h=MIME-Version:Date:From:To:Cc:Message-Id:In-Reply-To:References: Subject:Content-Type; b=YWN5rmZa9diGaY5mjkjNsY67ndmXB+50CZYnnPqFulaXRoSsMjymKsqZyxJcjjeIPy/9j97BWBArR0XXqOI6GdAMgVGCv07vsvE9zUzKKYXxu/b4DGruhGOl/zTpbDaM8HdqWr9zv78LR9hLmwghDBWWoXSuZ6Y2qToQQea+R68= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ojerFzHZ; 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="ojerFzHZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DA79A1F00898; Tue, 13 Oct 2026 19:10:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791918613; bh=kgDt0QtjD4rWqE26JI0a9S1+vEnqhAt5PUTkanFcZfU=; h=Date:From:To:Cc:In-Reply-To:References:Subject; b=ojerFzHZ3Jv0HbWBtEvWogBd3/IjAJvSjKjmwWaJljCGEAtNjitfw+fz7sNCsu8HI EQz2UD62CGs53pf7oUX6RFgilpPbeXzHYsnNYl6I0dIpRUKqzEBwzqn7xZB9RvDr4n MzFDrCSgI6cdKwc6NK/LdB5hni0jfmYQtGEWOfBS/eLpuPqpK7vndmSUO7SYBlcDGq Zf8KMlF4kCCvW8BaV8sjnHmiGEZIQwXMYq+vF+SmIXI5zVE+uOjZW2axd/iO300i9h 7KDy2Q1wxFg+hws2x7/MtXAP7pe4lTKm2NQXbaVMd7+DoJDfBaQ9Fa4Y0GBixhZeqt 5QrP6+Tq4Mvdw== Received: from phl-compute-02.internal (phl-compute-02.internal [10.202.2.42]) by mailfauth.phl.internal (Postfix) with ESMTP id 0B698F4006E; Tue, 13 Oct 2026 15:10:12 -0400 (EDT) Received: from phl-imap-04 ([10.202.2.82]) by phl-compute-02.internal (MEProxy); Tue, 13 Oct 2026 15:10:12 -0400 X-ME-Sender: X-ME-Proxy-Cause: dmFkZTEd2rtBwbkaWrWZrgOaUkT88gktJFrEb1+xB9o1IS+tF4mNpE+JoW1KBvYanzbv8H 8AzTLM0sfXqxsSG43v2DDjP4caaBbtwOoyBCWgwm3F2vpqKZ4cD+zawhdI4WQzoshFmMnz Ky18dABWABv5alNWKLXmiRSkBIj86NXxwyEjFf0QhIGQxPLnQ49TScqRAOAT84yCMaQpo/ gmAWziumX9+Ne3+8BSKagAy1p9GffjLtBAL23Glv9SNJVjeCjzhwLQOUcxQI1HhoIR0dee hsisNXNb68zWdc1tE8JS2Xr9/O3IOOBzD9LsNQEkLhZYsin+IVdY40SQrGiLLHbvXMExt2 EHz45EJIdCPELCbDDlAyuv/8mIT9OyjKAPo0E+Y6okaAw905BU3eDeeVpTL5OUIStM0Exm v7VFX7ErUFpswDUYWxPYiPr2r/ESURCo1x77Fr+kxB7F03P39cXDbbJqoERGspF56RJnHv jCjwJhp/qk20ufp6fD/mO3p4Y+game6GjvBT1VYI+6aRDsRQwTa3hneI3ge4LZPnSH/wQi o+XbTIFkJewx33XrkBHVyNsFj0wo5afK8ScxKKcOjQIriHYcbKMJxFmAMbOIHZ8Pt0f8Mq BlHd8VTp53Sjwhx+38+e6zV2xGGBUgUiI3eHFKJbV6Uxn1F0gFlRzahJic0Q X-ME-Proxy: Feedback-ID: i20964851:Fastmail Received: by mailuser.phl.internal (Postfix, from userid 501) id DF2A8B6006E; Tue, 13 Oct 2026 15:10:11 -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: A1CqOqGV3QlV Date: Tue, 13 Oct 2026 15:09:50 -0400 From: "Anna Schumaker" To: "Tim Menninger" , "Trond Myklebust" Cc: linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, "Eric Badger" , "Jon Curley" Message-Id: <04579cd9-a4bf-435e-86a1-4d5e55005e76@app.fastmail.com> In-Reply-To: <20261013135327.1695983-1-tmenninger@everpuredata.com> References: <20260921235520.502987-1-tmenninger@everpuredata.com> <20261013135327.1695983-1-tmenninger@everpuredata.com> Subject: Re: [PATCH] NFSv4/pNFS: Preserve layoutreturn seqid while lsegs drain Content-Type: text/plain Content-Transfer-Encoding: 7bit Hi Tim, On Tue, Oct 13, 2026, at 9:53 AM, Tim Menninger wrote: > Hi Trond, Anna, > > Please hold off on applying this patch for now. Will do! > > Further testing has revealed incomplete recovery under sustained > pNFS/RDMA I/O. Some workload ranks remain slow after DS recovery, even > with the reconnect loop gone. > > I have not yet established whether this patch is incorrect or exposes > another layout-recovery issue. Makes sense. I'll keep my eyes out for an updated patch once you track down what's happening. Anna > > Apologies for the noise. > > Thanks, > Tim