From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 6DADF3D47BC for ; Mon, 30 Mar 2026 13:38:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774877935; cv=none; b=fbGGSUfwHrGBwtV/RAGvzwtxUZxnYVN7XeAwf0Uq2F8GTQ+L5+zb0TbgNjzLSfobnm/afoujwTkSb8xj6mPo8jJzC32Wgo7Ia8NgxBxZZeq4JiUlZ7jpkJEUSTibY0Bnik/C7XV3BiTOOhMqB7ZaFfSWfIsHgTWzS+jlXSytQyo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774877935; c=relaxed/simple; bh=GMF33ofp6pSKP2m8yzzs35fgzAnIqwa6hdtFyXJZBVE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=W387P2ysAP/ztMpOps/4a12ZulOyXExTDR4P5UFn89FuIlHkw2C12UiRggaKpSQlSAfVSwM6KJEGEKeM0BIGGLj+X4nSYkbKlniilvYIvuvF6+Fkv9xx/VDCcZWzHShExxSPxU0BudFop8J8y7/s8n9K7lV/0OqJ5n0QhgZMp60= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YBd6ySBr; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YBd6ySBr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F5EDC2BCB1; Mon, 30 Mar 2026 13:38:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774877935; bh=GMF33ofp6pSKP2m8yzzs35fgzAnIqwa6hdtFyXJZBVE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=YBd6ySBrbWWvdMs3RTcLYW/61gCwF/o80dWpmZt0IJOLpK/PeNcYyfDeuzPdcAy8D xkY9cseifl/yT0RCHDMxrFit+fNL+D6rs/SUpeuYRSvQe3f8zV+SppER2n4yb65cFW 7cOofoBXdo4Zs+BQCp+vTvEUsE1bqHFIrdvtNMCjBe+tD52xoV+MJCoJT8wKZ6Nooi pHv691JQMOYaG39c5IxDpBrFW6gUH+85Q4S8148RVoYS1YH8kJ8oJ6WevnlQLfwRa6 QnYu8GUEpiHEdSfY2F9OcbP+yp3Uc+WI+kRU7liJpWLvWORIOx7BSeofdapBoZU2NJ gh30jnc1m7dGQ== From: Jeff Layton Date: Mon, 30 Mar 2026 09:38:31 -0400 Subject: [PATCH nfs-utils v2 11/16] mountd/exportd: only use /proc interfaces if netlink setup fails Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260330-exportd-netlink-v2-11-cc9bd5db2408@kernel.org> References: <20260330-exportd-netlink-v2-0-cc9bd5db2408@kernel.org> In-Reply-To: <20260330-exportd-netlink-v2-0-cc9bd5db2408@kernel.org> To: Steve Dickson Cc: Chuck Lever , NeilBrown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Trond Myklebust , Anna Schumaker , linux-nfs@vger.kernel.org, Jeff Layton X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1252; i=jlayton@kernel.org; h=from:subject:message-id; bh=GMF33ofp6pSKP2m8yzzs35fgzAnIqwa6hdtFyXJZBVE=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBpynzgVYm0CNaLywNBgFUeXZAhPAV6xHeCZjSoO 7TGEAtx1feJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCacp84AAKCRAADmhBGVaC Ffc2EACA+BqoMhkriuCKRC1nBe1ayphrWY+patwFejBUv7jpodsN6IP7XJVdvVEK4T2rTVq4qV2 27AXNvVz2sSRTyA13wpBrmh5DV9UKn+IRmk2oIgAqVRm1AW13gNMZEO7kmZmBezoPix+sGYbnIo bGUeVt+4fmC24V9KUgoKutdelNAVAxMek/ystXTcchGaBRHZK8IdBlEniad0E5Wm1l5WYQERiTc is5lKtVbtPA3emVvPpbUAPJ992NUGPr1+tAnoDRgisFtmzDXLiT7foaspP6O0g8LDShJJbA+dow B+7LHAE3XMrG3RPynYHheTfKxFyrXlhM3RDCXPkSsHbTZDeuetlhSy2PTMP/om523fnE22mSrKN aGGoxnxLUeZOQCl4BjOoEQcQO2/UfjYRADvo3UMZrSktsWbgy47aepQ+H6YsLYZUfa0YOjRo05h 9oZiiv/srKZEv3Us17Cx1FZ4Lg61mEd+JeuvWlnu45q2dIiMMaSxqSqYAsvSCalwWy9doSUCfnC ftuDznN+IDQFdQH3d265A8AEQ8CpoH5iJ6lQDocv9PDD/lSBL7AHDYUD6W05E2n+aCPSFF0YFwU QY5A945i5sokbglZIcH9BkKOxPV3s7opPK9OSPmfluGw14VTyWr+xcG6KgUBqXoWgX+cVlqmdQM PswYCkE49IExgfQ== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 Now that all of the exportd upcalls are converted to use netlink, don't bother opening /proc channel files if that succeeds. Signed-off-by: Jeff Layton --- support/export/cache.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/support/export/cache.c b/support/export/cache.c index 43cb16079da867e6633b9cc6436689ab0e156e44..19cfbf6594b0a51d85814460f3153add89aa3a8a 100644 --- a/support/export/cache.c +++ b/support/export/cache.c @@ -3013,6 +3013,16 @@ void cache_open(void) { int i; + if (cache_nfsd_nl_open() == 0) { + if (cache_sunrpc_nl_open() == 0) + return; + xlog(L_NOTICE, "sunrpc netlink family unavailable, falling back to /proc"); + nl_socket_free(nfsd_nl_notify_sock); + nfsd_nl_notify_sock = NULL; + nl_socket_free(nfsd_nl_cmd_sock); + nfsd_nl_cmd_sock = NULL; + } + for (i=0; cachelist[i].cache_name; i++ ) { char path[100]; if (!manage_gids && cachelist[i].cache_handle == auth_unix_gid) @@ -3020,8 +3030,6 @@ void cache_open(void) sprintf(path, "/proc/net/rpc/%s/channel", cachelist[i].cache_name); cachelist[i].f = open(path, O_RDWR); } - cache_nfsd_nl_open(); - cache_sunrpc_nl_open(); } /** -- 2.53.0