From: schumaker.anna@gmail.com
To: linux-nfs@vger.kernel.org
Cc: Anna.Schumaker@Netapp.com
Subject: [RFC PATCH 3/7] sunrpc: Create a net/ subdirectory in the sunrpc sysfs
Date: Mon, 11 Jan 2021 16:41:39 -0500 [thread overview]
Message-ID: <20210111214143.553479-4-Anna.Schumaker@Netapp.com> (raw)
In-Reply-To: <20210111214143.553479-1-Anna.Schumaker@Netapp.com>
From: Anna Schumaker <Anna.Schumaker@Netapp.com>
For network namespace separation.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
---
net/sunrpc/sysfs.c | 41 ++++++++++++++++++++++++++++++++++++++++-
1 file changed, 40 insertions(+), 1 deletion(-)
diff --git a/net/sunrpc/sysfs.c b/net/sunrpc/sysfs.c
index efff6977095c..afeaec79a9c7 100644
--- a/net/sunrpc/sysfs.c
+++ b/net/sunrpc/sysfs.c
@@ -4,18 +4,57 @@
*/
#include <net/sock.h>
-//struct kobject *rpc_client_kobj;
+struct kobject *rpc_client_kobj;
static struct kset *rpc_client_kset;
+static void rpc_netns_object_release(struct kobject *kobj)
+{
+ kfree(kobj);
+}
+
+static const struct kobj_ns_type_operations *rpc_netns_object_child_ns_type(
+ struct kobject *kobj)
+{
+ return &net_ns_type_operations;
+}
+
+static struct kobj_type rpc_netns_object_type = {
+ .release = rpc_netns_object_release,
+ .sysfs_ops = &kobj_sysfs_ops,
+ .child_ns_type = rpc_netns_object_child_ns_type,
+};
+
+static struct kobject *rpc_netns_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_netns_object_type,
+ parent, "%s", name) == 0)
+ return kobj;
+ kobject_put(kobj);
+ }
+ return NULL;
+}
+
int rpc_sysfs_init(void)
{
rpc_client_kset = kset_create_and_add("sunrpc", NULL, net_kobj);
if (!rpc_client_kset)
return -ENOMEM;
+ rpc_client_kobj = rpc_netns_object_alloc("net", rpc_client_kset, NULL);
+ if (!rpc_client_kobj) {
+ kset_unregister(rpc_client_kset);
+ rpc_client_kset = NULL;
+ return -ENOMEM;
+ }
return 0;
}
void rpc_sysfs_exit(void)
{
+ kobject_put(rpc_client_kobj);
kset_unregister(rpc_client_kset);
}
--
2.29.2
next prev parent reply other threads:[~2021-01-11 21:42 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-11 21:41 [RFC PATCH 0/7] SUNRPC: Create sysfs files for changing IP schumaker.anna
2021-01-11 21:41 ` [RFC PATCH 1/7] net: Add a /sys/net directory to sysfs schumaker.anna
2021-01-11 21:41 ` [RFC PATCH 2/7] sunrpc: Create a sunrpc directory under /sys/net/ schumaker.anna
2021-01-11 21:41 ` schumaker.anna [this message]
2021-01-11 21:41 ` [RFC PATCH 4/7] sunrpc: Create per-rpc_clnt sysfs kobjects schumaker.anna
2021-01-11 21:41 ` [RFC PATCH 5/7] sunrpc: Create a per-rpc_clnt file for managing the IP address schumaker.anna
2021-01-17 12:59 ` [sunrpc] 4c73715aa6: WARNING:suspicious_RCU_usage kernel test robot
2021-01-17 12:59 ` kernel test robot
2021-01-11 21:41 ` [RFC PATCH 6/7] sunrpc: Prepare xs_connect() for taking NULL tasks schumaker.anna
2021-01-11 21:41 ` [RFC PATCH 7/7] sunrpc: Connect to a new IP address provided by the user schumaker.anna
2021-01-12 13:09 ` [RFC PATCH 0/7] SUNRPC: Create sysfs files for changing IP Chuck Lever
2021-01-12 16:59 ` J. Bruce Fields
2021-01-13 19:23 ` Anna Schumaker
2021-01-13 19:48 ` Chuck Lever
2021-01-13 21:23 ` Chuck Lever
2021-01-14 20:29 ` Olga Kornievskaia
2021-01-19 15:55 ` Chuck Lever
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