From nobody Tue Dec 16 06:03:15 2025 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 34E07C4332F for ; Thu, 9 Nov 2023 15:42:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343964AbjKIPm0 (ORCPT ); Thu, 9 Nov 2023 10:42:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59682 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343757AbjKIPmE (ORCPT ); Thu, 9 Nov 2023 10:42:04 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A9A3435AF for ; Thu, 9 Nov 2023 07:40:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1699544442; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vmvyNEq0mjAiqaSKGBoHUs1cA03yuKyhB0WO0XE/N4w=; b=ViBIagmYmXmfvStrH7cQgu2AOoTiCizVQP59/ClsC4VSyea9hCKc7w/H5f5aMh6Mevao8x uswOfwpia0lIjSrVWNbIAs+38GY3JLIxo8uxZQFMphWJIhErDbOeCMLvwuKQqaGFvs/bsO TxsLU4MzcEIxPMlk9Wp2eZKN7Vxexf0= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-220-4nh_J7PWP_WADuUUKjtDNA-1; Thu, 09 Nov 2023 10:40:32 -0500 X-MC-Unique: 4nh_J7PWP_WADuUUKjtDNA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 5C04C101B049; Thu, 9 Nov 2023 15:40:27 +0000 (UTC) Received: from warthog.procyon.org.com (unknown [10.42.28.13]) by smtp.corp.redhat.com (Postfix) with ESMTP id 969C62026D68; Thu, 9 Nov 2023 15:40:26 +0000 (UTC) From: David Howells To: Marc Dionne Cc: David Howells , linux-afs@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 11/41] afs: Don't skip server addresses for which we didn't get an RTT reading Date: Thu, 9 Nov 2023 15:39:34 +0000 Message-ID: <20231109154004.3317227-12-dhowells@redhat.com> In-Reply-To: <20231109154004.3317227-1-dhowells@redhat.com> References: <20231109154004.3317227-1-dhowells@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.4 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" In the rotation algorithms for iterating over volume location servers and file servers, don't skip servers from which we got a valid response to a probe (either a reply DATA packet or an ABORT) even if we didn't manage to get an RTT reading. Signed-off-by: David Howells cc: Marc Dionne cc: linux-afs@lists.infradead.org --- fs/afs/rotate.c | 2 +- fs/afs/vl_rotate.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/afs/rotate.c b/fs/afs/rotate.c index 1c8f26a7f128..689acb0ad64b 100644 --- a/fs/afs/rotate.c +++ b/fs/afs/rotate.c @@ -426,7 +426,7 @@ bool afs_select_fileserver(struct afs_operation *op) if (!test_bit(i, &op->untried) || !test_bit(AFS_SERVER_FL_RESPONDING, &s->flags)) continue; - if (s->probe.rtt < rtt) { + if (s->probe.rtt <=3D rtt) { op->index =3D i; rtt =3D s->probe.rtt; } diff --git a/fs/afs/vl_rotate.c b/fs/afs/vl_rotate.c index af445e7d3a12..6e29272ffa8e 100644 --- a/fs/afs/vl_rotate.c +++ b/fs/afs/vl_rotate.c @@ -195,7 +195,7 @@ bool afs_select_vlserver(struct afs_vl_cursor *vc) if (!test_bit(i, &vc->untried) || !test_bit(AFS_VLSERVER_FL_RESPONDING, &s->flags)) continue; - if (s->probe.rtt < rtt) { + if (s->probe.rtt <=3D rtt) { vc->index =3D i; rtt =3D s->probe.rtt; }