NFSD: Add nfsd_clid_destroyed tracepoint

Record client-requested termination of client IDs.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 03f2770..08ff643 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3907,6 +3907,7 @@ nfsd4_destroy_clientid(struct svc_rqst *rqstp,
                status = nfserr_wrong_cred;
                goto out;
        }
+       trace_nfsd_clid_destroyed(&clp->cl_clientid);
        unhash_client_locked(clp);
 out:
        spin_unlock(&nn->client_lock);

diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index 18be3fb..d6ba6a1 100644 (file)
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -513,6 +513,7 @@ DEFINE_EVENT(nfsd_clientid_class, nfsd_clid_##name, \
 
 DEFINE_CLIENTID_EVENT(reclaim_complete);
 DEFINE_CLIENTID_EVENT(confirmed);
+DEFINE_CLIENTID_EVENT(destroyed);
 DEFINE_CLIENTID_EVENT(expired);
 DEFINE_CLIENTID_EVENT(purged);
 DEFINE_CLIENTID_EVENT(renew);