From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 96830EB64D9 for ; Mon, 19 Jun 2023 10:41:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231791AbjFSKlE (ORCPT ); Mon, 19 Jun 2023 06:41:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45876 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232099AbjFSKkS (ORCPT ); Mon, 19 Jun 2023 06:40:18 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 497BD106 for ; Mon, 19 Jun 2023 03:40:17 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D9F8460B33 for ; Mon, 19 Jun 2023 10:40:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CEB77C433C8; Mon, 19 Jun 2023 10:40:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1687171216; bh=O6RYYlVwXXYj/HuWmYtTzIP5NXx3z0ZGT25etE+QaYg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FruSBzirCZuNrZFEk3LK1BNmrA8tesaVssCgoyKtepb9tUT4kFr2l2+v7odUVcF6a Zq8n1fO5mJpbA22GXtYU/i/K4aBItq5sE9Qpxgy6vDD6ywqVEAcn34qZlm+FNBt4FC f1b+EgNCmZM5k3c1MTaSXV4KOLBa0MH6AWSaDQqg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Marc Dionne , David Howells , linux-afs@lists.infradead.org, Linus Torvalds , Sasha Levin Subject: [PATCH 6.3 182/187] afs: Fix vlserver probe RTT handling Date: Mon, 19 Jun 2023 12:30:00 +0200 Message-ID: <20230619102206.513259937@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230619102157.579823843@linuxfoundation.org> References: <20230619102157.579823843@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: David Howells [ Upstream commit ba00b190670809c1a89326d80de96d714f6004f2 ] In the same spirit as commit ca57f02295f1 ("afs: Fix fileserver probe RTT handling"), don't rule out using a vlserver just because there haven't been enough packets yet to calculate a real rtt. Always set the server's probe rtt from the estimate provided by rxrpc_kernel_get_srtt, which is capped at 1 second. This could lead to EDESTADDRREQ errors when accessing a cell for the first time, even though the vl servers are known and have responded to a probe. Fixes: 1d4adfaf6574 ("rxrpc: Make rxrpc_kernel_get_srtt() indicate validity") Signed-off-by: Marc Dionne Signed-off-by: David Howells cc: linux-afs@lists.infradead.org Link: http://lists.infradead.org/pipermail/linux-afs/2023-June/006746.html Signed-off-by: Linus Torvalds Signed-off-by: Sasha Levin --- fs/afs/vl_probe.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/afs/vl_probe.c b/fs/afs/vl_probe.c index d1c7068b4346f..58452b86e6727 100644 --- a/fs/afs/vl_probe.c +++ b/fs/afs/vl_probe.c @@ -115,8 +115,8 @@ void afs_vlserver_probe_result(struct afs_call *call) } } - if (rxrpc_kernel_get_srtt(call->net->socket, call->rxcall, &rtt_us) && - rtt_us < server->probe.rtt) { + rxrpc_kernel_get_srtt(call->net->socket, call->rxcall, &rtt_us); + if (rtt_us < server->probe.rtt) { server->probe.rtt = rtt_us; server->rtt = rtt_us; alist->preferred = index; -- 2.39.2