[{"id":3673856,"web_url":"http://patchwork.ozlabs.org/comment/3673856/","msgid":"<393bf4a9-7cb1-41d7-8419-56fc0c14577f@canonical.com>","list_archive_url":null,"date":"2026-04-06T19:47:24","subject":"ACK/Cmnt: [SRU][Q:linux-oracle][PATCH 0/1] oracle: backport \"sunrpc:\n allocate a separate bvec array for socket sends\" to 6.17","submitter":{"id":85032,"url":"http://patchwork.ozlabs.org/api/people/85032/","name":"John Cabaj","email":"john.cabaj@canonical.com"},"content":"On 4/1/26 11:37 PM, Vinicius Peixoto wrote:\n> BugLink: https://bugs.launchpad.net/bugs/2147073\n> \n> [Impact]\n> \n> Some OCI customers have been experiencing performance degradation on NFS mounts due to a known issue that has been fixed upstream in 6.19\n> \n> [Fix]\n> \n> Backport the following commit from upstream into the Questing linux-oracle tree:\n\nPatch applied cleanly, so perhaps change \"Backport\" in the LP bug to \n\"Clean cherry-pick\"\n\nAcked-by: John Cabaj <john.cabaj@canonical.com>\n\n> 6b3b697d65d4 (\"sunrpc: allocate a separate bvec array for socket sends\")\n> \n> [Test plan]\n> \n> The patch has been compiled-tested only, and since no reproducer is easily available, Oracle will validate the fix with the relevant customers on their side.\n> \n> [Where problems could occur]\n> \n> This patch has a small regression risk, and any problems related to it would manifest themselves as crashes or performance issues for users running I/O heavy workloads on NFS mounts.\n> \n> [Other info]\n> SF #00428073\n> \n> Jeff Layton (1):\n>    sunrpc: allocate a separate bvec array for socket sends\n> \n>   include/linux/sunrpc/svcsock.h |  3 ++\n>   net/sunrpc/svcsock.c           | 55 +++++++++++++++++++++++++++++-----\n>   2 files changed, 51 insertions(+), 7 deletions(-)\n>","headers":{"Return-Path":"<kernel-team-bounces@lists.ubuntu.com>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (4096-bit key;\n unprotected) header.d=canonical.com header.i=@canonical.com\n header.a=rsa-sha256 header.s=20251003 header.b=Cwq4Ao0j;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com\n (client-ip=185.125.189.65; helo=lists.ubuntu.com;\n envelope-from=kernel-team-bounces@lists.ubuntu.com;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists.ubuntu.com (lists.ubuntu.com [185.125.189.65])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fqKcH4l0sz1xtJ\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 07 Apr 2026 05:47:42 +1000 (AEST)","from localhost ([127.0.0.1] helo=lists.ubuntu.com)\n\tby lists.ubuntu.com with esmtp (Exim 4.86_2)\n\t(envelope-from <kernel-team-bounces@lists.ubuntu.com>)\n\tid 1w9puz-00054A-7J; Mon, 06 Apr 2026 19:47:29 +0000","from smtp-relay-internal-1.internal ([10.131.114.114]\n helo=smtp-relay-internal-1.canonical.com)\n by lists.ubuntu.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.86_2) (envelope-from <john.cabaj@canonical.com>)\n id 1w9pux-00053z-P1\n for kernel-team@lists.ubuntu.com; Mon, 06 Apr 2026 19:47:27 +0000","from mail-qt1-f200.google.com (mail-qt1-f200.google.com\n [209.85.160.200])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by smtp-relay-internal-1.canonical.com (Postfix) with ESMTPS id 982DB3F1CC\n for <kernel-team@lists.ubuntu.com>; Mon,  6 Apr 2026 19:47:27 +0000 (UTC)","by mail-qt1-f200.google.com with SMTP id\n d75a77b69052e-50b4b81c632so107771391cf.1\n for <kernel-team@lists.ubuntu.com>; Mon, 06 Apr 2026 12:47:27 -0700 (PDT)","from [192.168.1.218]\n (h208-73-92-250.mdtnwi.broadband.dynamic.tds.net. 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Munduruca","email":"alice.munduruca@canonical.com"},"content":"On Thu Apr 2, 2026 at 12:37 AM EDT, Vinicius Peixoto wrote:\n> BugLink: https://bugs.launchpad.net/bugs/2147073\n>\n> [Impact]\n>\n> Some OCI customers have been experiencing performance degradation on NFS mounts due to a known issue that has been fixed upstream in 6.19\n>\n> [Fix]\n>\n> Backport the following commit from upstream into the Questing linux-oracle tree:\n> 6b3b697d65d4 (\"sunrpc: allocate a separate bvec array for socket sends\")\n>\n> [Test plan]\n>\n> The patch has been compiled-tested only, and since no reproducer is easily available, Oracle will validate the fix with the relevant customers on their side.\n>\n> [Where problems could occur]\n>\n> This patch has a small regression risk, and any problems related to it would manifest themselves as crashes or performance issues for users running I/O heavy workloads on NFS mounts.\n>\n> [Other info]\n> SF #00428073\n>\n> Jeff Layton (1):\n>   sunrpc: allocate a separate bvec array for socket sends\n>\n>  include/linux/sunrpc/svcsock.h |  3 ++\n>  net/sunrpc/svcsock.c           | 55 +++++++++++++++++++++++++++++-----\n>  2 files changed, 51 insertions(+), 7 deletions(-)\n\nAcked-by: Alice C. Munduruca <alice.munduruca@canonical.com>","headers":{"Return-Path":"<kernel-team-bounces@lists.ubuntu.com>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (4096-bit key;\n unprotected) header.d=canonical.com header.i=@canonical.com\n header.a=rsa-sha256 header.s=20251003 header.b=KV0bE783;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com\n (client-ip=185.125.189.65; helo=lists.ubuntu.com;\n envelope-from=kernel-team-bounces@lists.ubuntu.com;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists.ubuntu.com (lists.ubuntu.com [185.125.189.65])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fqvgK5bSwz1xtJ\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 08 Apr 2026 04:22:21 +1000 (AEST)","from localhost ([127.0.0.1] helo=lists.ubuntu.com)\n\tby lists.ubuntu.com with esmtp (Exim 4.86_2)\n\t(envelope-from <kernel-team-bounces@lists.ubuntu.com>)\n\tid 1wAB3v-0001xn-Ur; 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Munduruca\" <alice.munduruca@canonical.com>","To":"\"Vinicius Peixoto\" <vinicius.peixoto@canonical.com>,\n <kernel-team@lists.ubuntu.com>","X-Mailer":"aerc 0.17.0","References":"<20260402043743.191992-1-vinicius.peixoto@canonical.com>","In-Reply-To":"<20260402043743.191992-1-vinicius.peixoto@canonical.com>","X-BeenThere":"kernel-team@lists.ubuntu.com","X-Mailman-Version":"2.1.20","Precedence":"list","List-Id":"Kernel team discussions <kernel-team.lists.ubuntu.com>","List-Unsubscribe":"<https://lists.ubuntu.com/mailman/options/kernel-team>,\n <mailto:kernel-team-request@lists.ubuntu.com?subject=unsubscribe>","List-Archive":"<https://lists.ubuntu.com/archives/kernel-team>","List-Post":"<mailto:kernel-team@lists.ubuntu.com>","List-Help":"<mailto:kernel-team-request@lists.ubuntu.com?subject=help>","List-Subscribe":"<https://lists.ubuntu.com/mailman/listinfo/kernel-team>,\n <mailto:kernel-team-request@lists.ubuntu.com?subject=subscribe>","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"kernel-team-bounces@lists.ubuntu.com","Sender":"\"kernel-team\" <kernel-team-bounces@lists.ubuntu.com>"}},{"id":3674354,"web_url":"http://patchwork.ozlabs.org/comment/3674354/","msgid":"<DHN5GPWW4Y1H.2O07Y0LLEO8X7@canonical.com>","list_archive_url":null,"date":"2026-04-07T18:55:38","subject":"APPLIED: [SRU][Q:linux-oracle][PATCH 0/1] oracle: backport \"sunrpc:\n allocate a separate bvec array for socket sends\" to 6.17","submitter":{"id":88880,"url":"http://patchwork.ozlabs.org/api/people/88880/","name":"Vinicius Peixoto","email":"vinicius.peixoto@canonical.com"},"content":"On Thu Apr 2, 2026 at 1:37 AM -03, Vinicius Peixoto wrote:\n> BugLink: https://bugs.launchpad.net/bugs/2147073\n>\n> [Impact]\n>\n> Some OCI customers have been experiencing performance degradation on NFS mounts due to a known issue that has been fixed upstream in 6.19\n>\n> [Fix]\n>\n> Backport the following commit from upstream into the Questing linux-oracle tree:\n> 6b3b697d65d4 (\"sunrpc: allocate a separate bvec array for socket sends\")\n>\n> [Test plan]\n>\n> The patch has been compiled-tested only, and since no reproducer is easily available, Oracle will validate the fix with the relevant customers on their side.\n>\n> [Where problems could occur]\n>\n> This patch has a small regression risk, and any problems related to it would manifest themselves as crashes or performance issues for users running I/O heavy workloads on NFS mounts.\n>\n> [Other info]\n> SF #00428073\n>\n> Jeff Layton (1):\n>   sunrpc: allocate a separate bvec array for socket sends\n>\n>  include/linux/sunrpc/svcsock.h |  3 ++\n>  net/sunrpc/svcsock.c           | 55 +++++++++++++++++++++++++++++-----\n>  2 files changed, 51 insertions(+), 7 deletions(-)\n\nApplied to the q:oracle tree, thanks!\n\nVinicius","headers":{"Return-Path":"<kernel-team-bounces@lists.ubuntu.com>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (4096-bit key;\n unprotected) header.d=canonical.com header.i=@canonical.com\n header.a=rsa-sha256 header.s=20251003 header.b=aHC0aFku;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com\n (client-ip=185.125.189.65; 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