[PATCH] nfsd: don't call trace_nfsd_deleg_none() if read delegation is given

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Don't call trace_nfsd_deleg_none() if read delegation is given,
else two exclusive traces will be printed:

    nfsd_deleg_open: client 5f45b854:e6058001 stateid 00000030:00000001
    nfsd_deleg_none: client 5f45b854:e6058001 stateid 0000002f:00000001

Fix it by calling trace_nfsd_deleg_none() directly in appropriate
places instead of calling it by checking the value of op_delegate_type.

Also remove the unnecessary assignment "status = nfs_ok", because
we can ensure status will be nfs_ok after the call of
nfs4_inc_and_copy_stateid().

Signed-off-by: Hou Tao <houtao1@xxxxxxxxxx>
---
 fs/nfsd/nfs4state.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index c09a2a4281ec9..2e6376af701ff 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -5131,6 +5131,8 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open,
 	nfs4_put_stid(&dp->dl_stid);
 	return;
 out_no_deleg:
+	trace_nfsd_deleg_none(&stp->st_stid.sc_stateid);
+
 	open->op_delegate_type = NFS4_OPEN_DELEGATE_NONE;
 	if (open->op_claim_type == NFS4_OPEN_CLAIM_PREVIOUS &&
 	    open->op_delegate_type != NFS4_OPEN_DELEGATE_NONE) {
@@ -5232,7 +5234,8 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
 		if (open->op_deleg_want & NFS4_SHARE_WANT_NO_DELEG) {
 			open->op_delegate_type = NFS4_OPEN_DELEGATE_NONE_EXT;
 			open->op_why_no_deleg = WND4_NOT_WANTED;
-			goto nodeleg;
+			trace_nfsd_deleg_none(&stp->st_stid.sc_stateid);
+			goto out;
 		}
 	}
 
@@ -5241,9 +5244,6 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
 	* OPEN succeeds even if we fail.
 	*/
 	nfs4_open_delegation(current_fh, open, stp);
-nodeleg:
-	status = nfs_ok;
-	trace_nfsd_deleg_none(&stp->st_stid.sc_stateid);
 out:
 	/* 4.1 client trying to upgrade/downgrade delegation? */
 	if (open->op_delegate_type == NFS4_OPEN_DELEGATE_NONE && dp &&
-- 
2.25.0.4.g0ad7144999




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