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NFSD: Add tracepoints for monitoring NFSD callbacks

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Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever
2020-04-05 14:15:29 -04:00
parent dd5e3fbc1f
commit 1eace0d1e9
3 changed files with 177 additions and 19 deletions
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6
fs/nfsd/nfs4state.c
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@@ -2842,14 +2842,12 @@ gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se, struct svc_r
conn->cb_prog = se->se_callback_prog;
conn->cb_ident = se->se_callback_ident;
memcpy(&conn->cb_saddr, &rqstp->rq_daddr, rqstp->rq_daddrlen);
trace_nfsd_cb_args(clp, conn);
return;
out_err:
conn->cb_addr.ss_family = AF_UNSPEC;
conn->cb_addrlen = 0;
dprintk("NFSD: this client (clientid %08x/%08x) "
"will not receive delegations\n",
clp->cl_clientid.cl_boot, clp->cl_clientid.cl_id);
trace_nfsd_cb_nodelegs(clp);
return;
}