From 89dfdc964bb4b2112c2cd058412f49d9906c9d35 Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Tue, 16 Aug 2016 13:29:27 -0400
Subject: nfsd: eliminate cb_minorversion field

We already have that info in the client pointer. No need to pass around
a copy.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 04c68d9..dbef646 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -448,7 +448,7 @@ static int decode_cb_sequence4res(struct xdr_stream *xdr,
 {
 	int status;
 
-	if (cb->cb_minorversion == 0)
+	if (cb->cb_clp->cl_minorversion == 0)
 		return 0;
 
 	status = decode_cb_op_status(xdr, OP_CB_SEQUENCE, &cb->cb_seq_status);
@@ -485,7 +485,7 @@ static void nfs4_xdr_enc_cb_recall(struct rpc_rqst *req, struct xdr_stream *xdr,
 	const struct nfs4_delegation *dp = cb_to_delegation(cb);
 	struct nfs4_cb_compound_hdr hdr = {
 		.ident = cb->cb_clp->cl_cb_ident,
-		.minorversion = cb->cb_minorversion,
+		.minorversion = cb->cb_clp->cl_minorversion,
 	};
 
 	encode_cb_compound4args(xdr, &hdr);
@@ -594,7 +594,7 @@ static void nfs4_xdr_enc_cb_layout(struct rpc_rqst *req,
 		container_of(cb, struct nfs4_layout_stateid, ls_recall);
 	struct nfs4_cb_compound_hdr hdr = {
 		.ident = 0,
-		.minorversion = cb->cb_minorversion,
+		.minorversion = cb->cb_clp->cl_minorversion,
 	};
 
 	encode_cb_compound4args(xdr, &hdr);
@@ -862,7 +862,6 @@ static void nfsd4_cb_prepare(struct rpc_task *task, void *calldata)
 	struct nfs4_client *clp = cb->cb_clp;
 	u32 minorversion = clp->cl_minorversion;
 
-	cb->cb_minorversion = minorversion;
 	/*
 	 * cb_seq_status is only set in decode_cb_sequence4res,
 	 * and so will remain 1 if an rpc level failure occurs.
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index b95adf9..0bdc79c 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -63,7 +63,6 @@ typedef struct {
 
 struct nfsd4_callback {
 	struct nfs4_client *cb_clp;
-	u32 cb_minorversion;
 	struct rpc_message cb_msg;
 	const struct nfsd4_callback_ops *cb_ops;
 	struct work_struct cb_work;
-- 
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