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authorOlga Kornievskaia <kolga@netapp.com>2021-06-08 15:59:11 -0400
committerTrond Myklebust <trond.myklebust@hammerspace.com>2021-07-08 14:03:23 -0400
commitc441f125de79121b97f1eb08dbfec85c8100a01e (patch)
treeb42f57cd7e5d297e92405dd578938228bff0da9f
parent746787489b0c3a879ddc671ce1e0d15e71b0d881 (diff)
sunrpc: Create a client/ subdirectory in the sunrpc sysfs
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>
-rw-r--r--net/sunrpc/sysfs.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/net/sunrpc/sysfs.c b/net/sunrpc/sysfs.c
index 27eda180ac5e..fa03e2ef836a 100644
--- a/net/sunrpc/sysfs.c
+++ b/net/sunrpc/sysfs.c
@@ -2,19 +2,62 @@
/*
* Copyright (c) 2020 Anna Schumaker <Anna.Schumaker@Netapp.com>
*/
+#include <linux/sunrpc/clnt.h>
#include <linux/kobject.h>
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);
}