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 X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3ACA3C43461 for ; Fri, 16 Apr 2021 03:52:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 13E6E610FB for ; Fri, 16 Apr 2021 03:52:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238289AbhDPDw4 (ORCPT ); Thu, 15 Apr 2021 23:52:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236214AbhDPDwz (ORCPT ); Thu, 15 Apr 2021 23:52:55 -0400 Received: from mail-qk1-x733.google.com (mail-qk1-x733.google.com [IPv6:2607:f8b0:4864:20::733]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E3A6FC061574 for ; Thu, 15 Apr 2021 20:52:31 -0700 (PDT) Received: by mail-qk1-x733.google.com with SMTP id d15so14621827qkc.9 for ; Thu, 15 Apr 2021 20:52:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Nom4IkQ3SY1Lnfz/M9qTAf+h9BHJgOxm0EDZubW34+U=; b=VM0cpG21eH03pDx3QaZrhQsf4I5ZUMmPBUSPTO8HMd/fNLerFqzrjxVTJBNpsEbiI9 zts+5aIcivdl+OtSAvnmejAukW0kqU30z1sCqGEtaHxOg8ESv58VmkxbKQUS5nor/QHi 9pK+XVRg+a9ZSY47eP8oHnNqTeiMZdE2qBNQkdRcBfTElG2N2EhJOsdJRQpN38mEJsh2 wntS0z12AUF/WplwAiYml9tTPC3OMyn1Gq2J6WAdN+B7arerOqtQBKUvJzlDS5dj4ZZP 6VvRG6HNgyBDZoFq+2W1h27oYNlLVns86FxJTyptBc0kKd+BV5O4rbN+eTxWkDvtqOfd KX0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Nom4IkQ3SY1Lnfz/M9qTAf+h9BHJgOxm0EDZubW34+U=; b=N1R0zWW7jGPVI4J1xcVEyu2PRbo4J4QqljTgo2WaKzE2hoC1oOv2q5OvFY50ea61xr o7u6Lg0FwIBveUIn/k6PDpfV/2SK1IM5CBVCHiScwkJiJz1b7xklZNrpl90RmEDUHb55 SO9Lm4P+J9fO3QPpOGpjOExFpxL4izPA8aSc4zWaHrrBKJ/qnNjUBYBxjrTb01tA0ycf SqSSo8M1Ih4MxLp74SPCM7Hpup23ZLJAIskeai1lMO+RjOQztgt02DDWLwJ99rDvRtJ3 EFrGsbbIEedWVxiz87BwxLM6gW7PI4AEXyg35+9XjQLSKKrDUN1MCooa1t2db3vB0ERj 6/BA== X-Gm-Message-State: AOAM533/zvnq048nZ2FjkyQ53sGr+LjBEtDq6CNr7z1q0H9GXepsHeyj Xzx6/XNYaPRLjLGbmeDGxNo= X-Google-Smtp-Source: ABdhPJyZqu/flp56ajWxW2ob1NWJJXorIbuhg8mbCUhoz2k55QY/rHSZ/GwIv/eMglUhC2EKv9HYTw== X-Received: by 2002:a05:620a:15f0:: with SMTP id p16mr6998820qkm.448.1618545151198; Thu, 15 Apr 2021 20:52:31 -0700 (PDT) Received: from kolga-mac-1.vpn.netapp.com (nat-216-240-30-25.netapp.com. [216.240.30.25]) by smtp.gmail.com with ESMTPSA id x82sm3500913qkb.0.2021.04.15.20.52.30 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 15 Apr 2021 20:52:30 -0700 (PDT) From: Olga Kornievskaia To: trond.myklebust@hammerspace.com, anna.schumaker@netapp.com Cc: linux-nfs@vger.kernel.org Subject: [PATCH v2 02/13] sunrpc: Create a client/ subdirectory in the sunrpc sysfs Date: Thu, 15 Apr 2021 23:52:15 -0400 Message-Id: <20210416035226.53588-3-olga.kornievskaia@gmail.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20210416035226.53588-1-olga.kornievskaia@gmail.com> References: <20210416035226.53588-1-olga.kornievskaia@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: Olga Kornievskaia For network namespace separation. Signed-off-by: Anna Schumaker --- net/sunrpc/sysfs.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/net/sunrpc/sysfs.c b/net/sunrpc/sysfs.c index 27eda180ac5e..6be3f4cfac95 100644 --- a/net/sunrpc/sysfs.c +++ b/net/sunrpc/sysfs.c @@ -2,19 +2,61 @@ /* * Copyright (c) 2020 Anna Schumaker */ +#include #include static struct kset *rpc_sunrpc_kset; +static struct kobject *rpc_sunrpc_client_kobj; + +static void rpc_sysfs_object_release(struct kobject *kobj) +{ + kfree(kobj); +} + +static const struct kobj_ns_type_operations * +rpc_sysfs_object_child_ns_type(struct kobject *kobj) +{ + return &net_ns_type_operations; +} + +static struct kobj_type rpc_sysfs_object_type = { + .release = rpc_sysfs_object_release, + .sysfs_ops = &kobj_sysfs_ops, + .child_ns_type = rpc_sysfs_object_child_ns_type, +}; + +static struct kobject *rpc_sysfs_object_alloc(const char *name, + struct kset *kset, struct kobject *parent) +{ + struct kobject *kobj; + + kobj = kzalloc(sizeof(*kobj), GFP_KERNEL); + if (kobj) { + kobj->kset = kset; + if (kobject_init_and_add(kobj, &rpc_sysfs_object_type, + parent, "%s", name) == 0) + return kobj; + kobject_put(kobj); + } + return NULL; +} int rpc_sysfs_init(void) { rpc_sunrpc_kset = kset_create_and_add("sunrpc", NULL, kernel_kobj); if (!rpc_sunrpc_kset) return -ENOMEM; + rpc_sunrpc_client_kobj = rpc_sysfs_object_alloc("client", rpc_sunrpc_kset, NULL); + if (!rpc_sunrpc_client_kobj) { + kset_unregister(rpc_sunrpc_kset); + rpc_sunrpc_client_kobj = NULL; + return -ENOMEM; + } return 0; } void rpc_sysfs_exit(void) { + kobject_put(rpc_sunrpc_client_kobj); kset_unregister(rpc_sunrpc_kset); } -- 2.27.0