c441f125de
For network namespace separation. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2020 Anna Schumaker <Anna.Schumaker@Netapp.com>
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*/
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#include <linux/sunrpc/clnt.h>
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#include <linux/kobject.h>
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static struct kset *rpc_sunrpc_kset;
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static struct kobject *rpc_sunrpc_client_kobj;
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static void rpc_sysfs_object_release(struct kobject *kobj)
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{
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kfree(kobj);
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}
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static const struct kobj_ns_type_operations *
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rpc_sysfs_object_child_ns_type(struct kobject *kobj)
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{
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return &net_ns_type_operations;
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}
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static struct kobj_type rpc_sysfs_object_type = {
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.release = rpc_sysfs_object_release,
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.sysfs_ops = &kobj_sysfs_ops,
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.child_ns_type = rpc_sysfs_object_child_ns_type,
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};
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static struct kobject *rpc_sysfs_object_alloc(const char *name,
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struct kset *kset,
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struct kobject *parent)
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{
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struct kobject *kobj;
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kobj = kzalloc(sizeof(*kobj), GFP_KERNEL);
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if (kobj) {
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kobj->kset = kset;
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if (kobject_init_and_add(kobj, &rpc_sysfs_object_type,
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parent, "%s", name) == 0)
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return kobj;
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kobject_put(kobj);
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}
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return NULL;
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}
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int rpc_sysfs_init(void)
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{
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rpc_sunrpc_kset = kset_create_and_add("sunrpc", NULL, kernel_kobj);
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if (!rpc_sunrpc_kset)
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return -ENOMEM;
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rpc_sunrpc_client_kobj = rpc_sysfs_object_alloc("client", rpc_sunrpc_kset, NULL);
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if (!rpc_sunrpc_client_kobj) {
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kset_unregister(rpc_sunrpc_kset);
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rpc_sunrpc_client_kobj = NULL;
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return -ENOMEM;
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}
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return 0;
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}
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void rpc_sysfs_exit(void)
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{
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kobject_put(rpc_sunrpc_client_kobj);
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kset_unregister(rpc_sunrpc_kset);
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}
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