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nfsd: rename delegation related tracepoints to make them less confusing
Now when a read delegation is given, two delegation related traces will be printed: nfsd_deleg_open: client 5f45b854:e6058001 stateid 00000030:00000001 nfsd_deleg_none: client 5f45b854:e6058001 stateid 0000002f:00000001 Although the intention is to let developers know two stateid are returned, the traces are confusing about whether or not a read delegation is handled out. So renaming trace_nfsd_deleg_none() to trace_nfsd_open() and trace_nfsd_deleg_open() to trace_nfsd_deleg_read() to make the intension clearer. The patched traces will be: nfsd_deleg_read: client 5f48a967:b55b21cd stateid 00000003:00000001 nfsd_open: client 5f48a967:b55b21cd stateid 00000002:00000001 Suggested-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Hou Tao <houtao1@huawei.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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@ -5127,7 +5127,7 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open,
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memcpy(&open->op_delegate_stateid, &dp->dl_stid.sc_stateid, sizeof(dp->dl_stid.sc_stateid));
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trace_nfsd_deleg_open(&dp->dl_stid.sc_stateid);
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trace_nfsd_deleg_read(&dp->dl_stid.sc_stateid);
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open->op_delegate_type = NFS4_OPEN_DELEGATE_READ;
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nfs4_put_stid(&dp->dl_stid);
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return;
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@ -5244,7 +5244,7 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
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nfs4_open_delegation(current_fh, open, stp);
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nodeleg:
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status = nfs_ok;
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trace_nfsd_deleg_none(&stp->st_stid.sc_stateid);
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trace_nfsd_open(&stp->st_stid.sc_stateid);
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out:
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/* 4.1 client trying to upgrade/downgrade delegation? */
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if (open->op_delegate_type == NFS4_OPEN_DELEGATE_NONE && dp &&
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@ -289,8 +289,8 @@ DEFINE_STATEID_EVENT(layout_recall_done);
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DEFINE_STATEID_EVENT(layout_recall_fail);
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DEFINE_STATEID_EVENT(layout_recall_release);
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DEFINE_STATEID_EVENT(deleg_open);
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DEFINE_STATEID_EVENT(deleg_none);
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DEFINE_STATEID_EVENT(open);
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DEFINE_STATEID_EVENT(deleg_read);
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DEFINE_STATEID_EVENT(deleg_break);
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DEFINE_STATEID_EVENT(deleg_recall);
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