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author | Olga Kornievskaia <kolga@netapp.com> | 2021-06-08 15:59:11 -0400 |
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committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-07-08 14:03:23 -0400 |
commit | c441f125de79121b97f1eb08dbfec85c8100a01e (patch) | |
tree | b42f57cd7e5d297e92405dd578938228bff0da9f /net/sunrpc | |
parent | 746787489b0c3a879ddc671ce1e0d15e71b0d881 (diff) | |
download | linux-c441f125de79121b97f1eb08dbfec85c8100a01e.tar.bz2 |
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>
Diffstat (limited to 'net/sunrpc')
-rw-r--r-- | net/sunrpc/sysfs.c | 43 |
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); } |