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| author | Olga Kornievskaia <kolga@netapp.com> | 2021-06-08 22:59:17 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-07-08 21:03:23 +0300 |
| commit | 2a338a543163ad6b42f4732396249cea6d3a33c8 (patch) | |
| tree | be6ebad2483c87d4c0840dd120bc0684dbc99224 /net/sunrpc/sysfs.c | |
| parent | baea99445dd4675a834e8a5987d2f368adb62e6c (diff) | |
| download | linux-2a338a543163ad6b42f4732396249cea6d3a33c8.tar.xz | |
sunrpc: add a symlink from rpc-client directory to the xprt_switch
An rpc client uses a transport switch and one ore more transports
associated with that switch. Since transports are shared among
rpc clients, create a symlink into the xprt_switch directory
instead of duplicating entries under each rpc client.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'net/sunrpc/sysfs.c')
| -rw-r--r-- | net/sunrpc/sysfs.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/net/sunrpc/sysfs.c b/net/sunrpc/sysfs.c index ed9f7131543f..0aa63747f496 100644 --- a/net/sunrpc/sysfs.c +++ b/net/sunrpc/sysfs.c @@ -151,14 +151,29 @@ rpc_sysfs_xprt_switch_alloc(struct kobject *parent, return NULL; } -void rpc_sysfs_client_setup(struct rpc_clnt *clnt, struct net *net) +void rpc_sysfs_client_setup(struct rpc_clnt *clnt, + struct rpc_xprt_switch *xprt_switch, + struct net *net) { struct rpc_sysfs_client *rpc_client; - rpc_client = rpc_sysfs_client_alloc(rpc_sunrpc_client_kobj, net, clnt->cl_clid); + rpc_client = rpc_sysfs_client_alloc(rpc_sunrpc_client_kobj, + net, clnt->cl_clid); if (rpc_client) { + char name[] = "switch"; + struct rpc_sysfs_xprt_switch *xswitch = + (struct rpc_sysfs_xprt_switch *)xprt_switch->xps_sysfs; + int ret; + clnt->cl_sysfs = rpc_client; + rpc_client->clnt = clnt; + rpc_client->xprt_switch = xprt_switch; kobject_uevent(&rpc_client->kobject, KOBJ_ADD); + ret = sysfs_create_link_nowarn(&rpc_client->kobject, + &xswitch->kobject, name); + if (ret) + pr_warn("can't create link to %s in sysfs (%d)\n", + name, ret); } } @@ -189,6 +204,9 @@ void rpc_sysfs_client_destroy(struct rpc_clnt *clnt) struct rpc_sysfs_client *rpc_client = clnt->cl_sysfs; if (rpc_client) { + char name[] = "switch"; + + sysfs_remove_link(&rpc_client->kobject, name); kobject_uevent(&rpc_client->kobject, KOBJ_REMOVE); kobject_del(&rpc_client->kobject); kobject_put(&rpc_client->kobject); |