diff options
| author | Weston Andros Adamson <dros@netapp.com> | 2012-02-17 15:20:26 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-03-01 17:10:22 -0500 |
| commit | 7d2ed9ac22bc6bf0d34e8fd291a5295f373b384e (patch) | |
| tree | d6af20f85e68c075c6587afaa94f56fe001aae4b /fs/nfs/nfs4proc.c | |
| parent | 9edbd953f8aeabf49b89c7c29ff9e31560775b27 (diff) | |
NFSv4: parse and display server implementation ids
Shows the implementation ids in /proc/self/mountstats. This doesn't break
the nfs-utils mountstats tool.
Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 20c3bb06763..90a17cc3ebc 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4950,11 +4950,24 @@ int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred) goto out; } + res.impl_id = kzalloc(sizeof(struct nfs41_impl_id), GFP_KERNEL); + if (unlikely(!res.impl_id)) { + status = -ENOMEM; + goto out_server_scope; + } + status = rpc_call_sync(clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT); if (!status) status = nfs4_check_cl_exchange_flags(clp->cl_exchange_flags); if (!status) { + /* use the most recent implementation id */ + kfree(clp->impl_id); + clp->impl_id = res.impl_id; + } else + kfree(res.impl_id); + + if (!status) { if (clp->server_scope && !nfs41_same_server_scope(clp->server_scope, res.server_scope)) { @@ -4970,8 +4983,16 @@ int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred) goto out; } } + +out_server_scope: kfree(res.server_scope); out: + if (clp->impl_id) + dprintk("%s: Server Implementation ID: " + "domain: %s, name: %s, date: %llu,%u\n", + __func__, clp->impl_id->domain, clp->impl_id->name, + clp->impl_id->date.seconds, + clp->impl_id->date.nseconds); dprintk("<-- %s status= %d\n", __func__, status); return status; } |