NFSD: Remove "inline" directives on op_rsize_bop helpers

These helpers are always invoked indirectly, so the compiler can't
inline these anyway. While we're updating the synopses of these
helpers, defensively convert their parameters to const pointers.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

Author: chucklever

fs/nfsd/nfs4proc.c

@@ -2771,28 +2771,33 @@ nfsd4_proc_compound(struct svc_rqst *rqstp)
 
 #define op_encode_channel_attrs_maxsz	(6 + 1 + 1)
 
-static inline u32 nfsd4_only_status_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_only_status_rsize(const struct svc_rqst *rqstp,
+				   const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_status_stateid_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_status_stateid_rsize(const struct svc_rqst *rqstp,
+				      const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + op_encode_stateid_maxsz)* sizeof(__be32);
 }
 
-static inline u32 nfsd4_access_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_access_rsize(const struct svc_rqst *rqstp,
+			      const struct nfsd4_op *op)
 {
 	/* ac_supported, ac_resp_access */
 	return (op_encode_hdr_size + 2)* sizeof(__be32);
 }
 
-static inline u32 nfsd4_commit_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_commit_rsize(const struct svc_rqst *rqstp,
+			      const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + op_encode_verifier_maxsz) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_create_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_create_rsize(const struct svc_rqst *rqstp,
+			      const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + op_encode_change_info_maxsz
 		+ nfs4_fattr_bitmap_maxsz) * sizeof(__be32);
@@ -2803,10 +2808,10 @@ static inline u32 nfsd4_create_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op
  * the op prematurely if the estimate is too large.  We may turn off splice
  * reads unnecessarily.
  */
-static inline u32 nfsd4_getattr_rsize(struct svc_rqst *rqstp,
-				      struct nfsd4_op *op)
+static u32 nfsd4_getattr_rsize(const struct svc_rqst *rqstp,
+			       const struct nfsd4_op *op)
 {
-	u32 *bmap = op->u.getattr.ga_bmval;
+	const u32 *bmap = op->u.getattr.ga_bmval;
 	u32 bmap0 = bmap[0], bmap1 = bmap[1], bmap2 = bmap[2];
 	u32 ret = 0;
 
@@ -2841,32 +2846,37 @@ static inline u32 nfsd4_getattr_rsize(struct svc_rqst *rqstp,
 	return ret;
 }
 
-static inline u32 nfsd4_getfh_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_getfh_rsize(const struct svc_rqst *rqstp,
+			     const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + 1) * sizeof(__be32) + NFS4_FHSIZE;
 }
 
-static inline u32 nfsd4_link_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_link_rsize(const struct svc_rqst *rqstp,
+			    const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + op_encode_change_info_maxsz)
 		* sizeof(__be32);
 }
 
-static inline u32 nfsd4_lock_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_lock_rsize(const struct svc_rqst *rqstp,
+			    const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + op_encode_lock_denied_maxsz)
 		* sizeof(__be32);
 }
 
-static inline u32 nfsd4_open_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_open_rsize(const struct svc_rqst *rqstp,
+			    const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + op_encode_stateid_maxsz
 		+ op_encode_change_info_maxsz + 1
 		+ nfs4_fattr_bitmap_maxsz
 		+ op_encode_delegation_maxsz) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_read_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_read_rsize(const struct svc_rqst *rqstp,
+			    const struct nfsd4_op *op)
 {
 	u32 maxcount = 0, rlen = 0;
 
@@ -2876,7 +2886,8 @@ static inline u32 nfsd4_read_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
 	return (op_encode_hdr_size + 2 + XDR_QUADLEN(rlen)) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_read_plus_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_read_plus_rsize(const struct svc_rqst *rqstp,
+				 const struct nfsd4_op *op)
 {
 	u32 maxcount = svc_max_payload(rqstp);
 	u32 rlen = min(op->u.read.rd_length, maxcount);
@@ -2890,7 +2901,8 @@ static inline u32 nfsd4_read_plus_rsize(struct svc_rqst *rqstp, struct nfsd4_op
 	return (op_encode_hdr_size + 2 + seg_len + XDR_QUADLEN(rlen)) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_readdir_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_readdir_rsize(const struct svc_rqst *rqstp,
+			       const struct nfsd4_op *op)
 {
 	u32 maxcount = 0, rlen = 0;
 
@@ -2901,59 +2913,68 @@ static inline u32 nfsd4_readdir_rsize(struct svc_rqst *rqstp, struct nfsd4_op *o
 		XDR_QUADLEN(rlen)) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_readlink_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_readlink_rsize(const struct svc_rqst *rqstp,
+				const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + 1) * sizeof(__be32) + PAGE_SIZE;
 }
 
-static inline u32 nfsd4_remove_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_remove_rsize(const struct svc_rqst *rqstp,
+			      const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + op_encode_change_info_maxsz)
 		* sizeof(__be32);
 }
 
-static inline u32 nfsd4_rename_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_rename_rsize(const struct svc_rqst *rqstp,
+			      const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + op_encode_change_info_maxsz
 		+ op_encode_change_info_maxsz) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_sequence_rsize(struct svc_rqst *rqstp,
-				       struct nfsd4_op *op)
+static u32 nfsd4_sequence_rsize(const struct svc_rqst *rqstp,
+				const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size
 		+ XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_test_stateid_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_test_stateid_rsize(const struct svc_rqst *rqstp,
+				    const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + 1 + op->u.test_stateid.ts_num_ids)
 		* sizeof(__be32);
 }
 
-static inline u32 nfsd4_setattr_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_setattr_rsize(const struct svc_rqst *rqstp,
+			       const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + nfs4_fattr_bitmap_maxsz) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_secinfo_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_secinfo_rsize(const struct svc_rqst *rqstp,
+			       const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + RPC_AUTH_MAXFLAVOR *
 		(4 + XDR_QUADLEN(GSS_OID_MAX_LEN))) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_setclientid_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_setclientid_rsize(const struct svc_rqst *rqstp,
+				   const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + 2 + XDR_QUADLEN(NFS4_VERIFIER_SIZE)) *
 								sizeof(__be32);
 }
 
-static inline u32 nfsd4_write_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_write_rsize(const struct svc_rqst *rqstp,
+			     const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + 2 + op_encode_verifier_maxsz) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_exchange_id_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_exchange_id_rsize(const struct svc_rqst *rqstp,
+				   const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + 2 + 1 + /* eir_clientid, eir_sequenceid */\
 		1 + 1 + /* eir_flags, spr_how */\
@@ -2967,14 +2988,16 @@ static inline u32 nfsd4_exchange_id_rsize(struct svc_rqst *rqstp, struct nfsd4_o
 		0 /* ignored eir_server_impl_id contents */) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_bind_conn_to_session_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_bind_conn_to_session_rsize(const struct svc_rqst *rqstp,
+					    const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + \
 		XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + /* bctsr_sessid */\
 		2 /* bctsr_dir, use_conn_in_rdma_mode */) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_create_session_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_create_session_rsize(const struct svc_rqst *rqstp,
+				      const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + \
 		XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + /* sessionid */\
@@ -2983,7 +3006,8 @@ static inline u32 nfsd4_create_session_rsize(struct svc_rqst *rqstp, struct nfsd
 		op_encode_channel_attrs_maxsz) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_copy_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_copy_rsize(const struct svc_rqst *rqstp,
+			    const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size +
 		1 /* wr_callback */ +
@@ -2995,16 +3019,16 @@ static inline u32 nfsd4_copy_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
 		1 /* cr_synchronous */) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_offload_status_rsize(struct svc_rqst *rqstp,
-					     struct nfsd4_op *op)
+static u32 nfsd4_offload_status_rsize(const struct svc_rqst *rqstp,
+				      const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size +
 		2 /* osr_count */ +
 		1 /* osr_complete<1> optional 0 for now */) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_copy_notify_rsize(struct svc_rqst *rqstp,
-					struct nfsd4_op *op)
+static u32 nfsd4_copy_notify_rsize(const struct svc_rqst *rqstp,
+				   const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size +
 		3 /* cnr_lease_time */ +
@@ -3019,7 +3043,8 @@ static inline u32 nfsd4_copy_notify_rsize(struct svc_rqst *rqstp,
 }
 
 #ifdef CONFIG_NFSD_PNFS
-static inline u32 nfsd4_getdeviceinfo_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_getdeviceinfo_rsize(const struct svc_rqst *rqstp,
+				     const struct nfsd4_op *op)
 {
 	u32 maxcount = 0, rlen = 0;
 
@@ -3037,7 +3062,8 @@ static inline u32 nfsd4_getdeviceinfo_rsize(struct svc_rqst *rqstp, struct nfsd4
  * so we need to define an arbitrary upper bound here.
  */
 #define MAX_LAYOUT_SIZE		128
-static inline u32 nfsd4_layoutget_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_layoutget_rsize(const struct svc_rqst *rqstp,
+				 const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size +
 		1 /* logr_return_on_close */ +
@@ -3046,14 +3072,16 @@ static inline u32 nfsd4_layoutget_rsize(struct svc_rqst *rqstp, struct nfsd4_op
 		MAX_LAYOUT_SIZE) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_layoutcommit_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_layoutcommit_rsize(const struct svc_rqst *rqstp,
+				    const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size +
 		1 /* locr_newsize */ +
 		2 /* ns_size */) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_layoutreturn_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_layoutreturn_rsize(const struct svc_rqst *rqstp,
+				    const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size +
 		1 /* lrs_stateid */ +
@@ -3062,13 +3090,14 @@ static inline u32 nfsd4_layoutreturn_rsize(struct svc_rqst *rqstp, struct nfsd4_
 #endif /* CONFIG_NFSD_PNFS */
 
 
-static inline u32 nfsd4_seek_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
+static u32 nfsd4_seek_rsize(const struct svc_rqst *rqstp,
+			    const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + 3) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_getxattr_rsize(struct svc_rqst *rqstp,
-				       struct nfsd4_op *op)
+static u32 nfsd4_getxattr_rsize(const struct svc_rqst *rqstp,
+				const struct nfsd4_op *op)
 {
 	u32 maxcount, rlen;
 
@@ -3078,14 +3107,14 @@ static inline u32 nfsd4_getxattr_rsize(struct svc_rqst *rqstp,
 	return (op_encode_hdr_size + 1 + XDR_QUADLEN(rlen)) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_setxattr_rsize(struct svc_rqst *rqstp,
-				       struct nfsd4_op *op)
+static u32 nfsd4_setxattr_rsize(const struct svc_rqst *rqstp,
+				const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + op_encode_change_info_maxsz)
 		* sizeof(__be32);
 }
-static inline u32 nfsd4_listxattrs_rsize(struct svc_rqst *rqstp,
-					 struct nfsd4_op *op)
+static u32 nfsd4_listxattrs_rsize(const struct svc_rqst *rqstp,
+				  const struct nfsd4_op *op)
 {
 	u32 maxcount, rlen;
 
@@ -3095,8 +3124,8 @@ static inline u32 nfsd4_listxattrs_rsize(struct svc_rqst *rqstp,
 	return (op_encode_hdr_size + 4 + XDR_QUADLEN(rlen)) * sizeof(__be32);
 }
 
-static inline u32 nfsd4_removexattr_rsize(struct svc_rqst *rqstp,
-					  struct nfsd4_op *op)
+static u32 nfsd4_removexattr_rsize(const struct svc_rqst *rqstp,
+				   const struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + op_encode_change_info_maxsz)
 		* sizeof(__be32);

fs/nfsd/xdr4.h

@@ -889,7 +889,8 @@ struct nfsd4_operation {
 	u32 op_flags;
 	char *op_name;
 	/* Try to get response size before operation */
-	u32 (*op_rsize_bop)(struct svc_rqst *, struct nfsd4_op *);
+	u32 (*op_rsize_bop)(const struct svc_rqst *rqstp,
+			const struct nfsd4_op *op);
 	void (*op_get_currentstateid)(struct nfsd4_compound_state *,
 			union nfsd4_op_u *);
 	void (*op_set_currentstateid)(struct nfsd4_compound_state *,