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 98A7D3A6EF0 for ; Mon, 16 Mar 2026 15:17:05 +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=1773674225; cv=none; b=JfoiNRd4HNa/ASiIi40j/o8kfzv3k+iS6+cWOptAA7pqLH6X8G3MdlF8ffmZh+KceNXx/52/Fwk/hgceB5PoStL7Wgs5Jaqez2rpBukkm48StLQ7CKgH/ocsazR77HdW9q6eP/6Iaw20FxRXPnV97RUDKUmEKjozOODFZpFaNSI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773674225; c=relaxed/simple; bh=GMF33ofp6pSKP2m8yzzs35fgzAnIqwa6hdtFyXJZBVE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=qWjh+iZ6vTnwA+Iax5kk7a7UHu+zG3ZF6FD39QZQFSWL/awr80qNorCClgPfPLG8HgsaV6drQ14izFlO2RRYWMvsMnvmHaRXfP3rsdb0UrVAE3aASURzKu6hNN8WweP3tq5fK1ecXkixmd2F0v3WQ6n4eAUHSTu/p+VJzR60S5E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Dq9bwA59; 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="Dq9bwA59" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6FF47C19425; Mon, 16 Mar 2026 15:17:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773674225; bh=GMF33ofp6pSKP2m8yzzs35fgzAnIqwa6hdtFyXJZBVE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Dq9bwA59wbWbBxcPgiHPapjGJ0UhHKc5Gke62zj2+eblkfcqZwnsVwXIV4eImJfmo +uflwASZGV7ZoPhlCjsaHeLqD6iAowZD55p5gdb0P5BGwwHPzFA/mEH24egVIMSNuk YRewpAc53ZiUcnP/vaatnP9IXhjfd6aoa7UVyelYzq8grFzoVQQ+Hg0YsIPYGqHIai wTQzAzQZMBdW04KRsJuih2o6MnIHqYru3xjocqWnU7vUcCGp/khrJPMw9aUkCaH3gD CrO0JmGBqhuJnFgsxlfLsZoXQolm2KbhnZ7jwO6shmg99UCywrIrnPHQMw1sveVr6X 88ACo6KwbpIdQ== From: Jeff Layton Date: Mon, 16 Mar 2026 11:16:49 -0400 Subject: [PATCH nfs-utils 11/17] 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: <20260316-exportd-netlink-v1-11-9a408a0b389d@kernel.org> References: <20260316-exportd-netlink-v1-0-9a408a0b389d@kernel.org> In-Reply-To: <20260316-exportd-netlink-v1-0-9a408a0b389d@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/ZANAwAKAQAOaEEZVoIVAcsmYgBpuB7iy9YeQ/ZdxPl/7t8+u5gh1H5nMcJbOCjuM nv+rS0iG/+JAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCabge4gAKCRAADmhBGVaC FfvUEADT2PaI2BeIHJoqZSzZihafPi1IcegSKGebVAZ6dhMHeTfrg5Az6SmJirrt7k9SkN4X7wx ZQKH70ywzGE2+tdCBqb6fgMmpNf16nmdRuB8Hpw1rsNcPp3CRWNUFjOA30RFQZePBM+Pz5gcCSG 8Jano/VfSMy/fDlO3zdQJl7fxIgO9G+IqFRAiX3s49XGm95Aolx5OJtXeV/zPaS/n7wfzm1y6zC bToNHC/KzGso7R5Fo9hlKyg41ub4XiNwVCQ4FibC9ggJVNsnIRsvaUz5cpo1LMEoP3ZhUOYLThj XC1RmOub0G2J+oji9DRWr2/djwEuzuk2q2pgnOtoNjDZD6EA+7S/NgpfmcqdKofcFsLze2mEdxZ Bg+Nl0mDN6wWZATkLQp1T4DqPFw4eRtbSOHj4KWMjnPKuYGtvC13waKoY0XvR8yCIWCbMipS78m R/Znb/Y3JtbQTElSqQpPZpQ8o3T1ltNJpFgfngHeiPUNFRNVEC7sUArDDLf/yn7svjSDAyR/DrP DeEzTipDUv/ojUMYT4saFQn7l1KbdyE0ZooihJWixSA0VMLf7WO4njHSWScDUFiwEKkvWcDuN2z p7GHHR6xblLXsxQoVcPHYPqUNcXPH7Xk9MlnpXksu9HriKXIhf3MaNjX/IJ2yTtqF1L8DGLD8AN B7EhA9peYc4ZlDg== 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