nfsd: dprint operation names

Signed-off-by: NBenny Halevy <bhalevy@panasas.com>
Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>

fs/nfsd/nfs4proc.c

@@ -846,10 +846,13 @@ struct nfsd4_operation {
 #define ALLOWED_WITHOUT_FH 1
 /* GETATTR and ops not listed as returning NFS4ERR_MOVED: */
 #define ALLOWED_ON_ABSENT_FS 2
+	char *op_name;
 };
 
 static struct nfsd4_operation nfsd4_ops[];
 
+static inline char *nfsd4_op_name(unsigned opnum);
+
 /*
  * COMPOUND call.
  */
@@ -891,7 +894,9 @@ nfsd4_proc_compound(struct svc_rqst *rqstp,
 	while (!status && resp->opcnt < args->opcnt) {
 		op = &args->ops[resp->opcnt++];
 
-		dprintk("nfsv4 compound op #%d: %d\n", resp->opcnt, op->opnum);
+		dprintk("nfsv4 compound op #%d/%d: %d (%s)\n",
+			resp->opcnt, args->opcnt, op->opnum,
+			nfsd4_op_name(op->opnum));
 
 		/*
 		 * The XDR decode routines may have pre-set op->status;
@@ -962,120 +967,163 @@ nfsd4_proc_compound(struct svc_rqst *rqstp,
 static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = {
 	[OP_ACCESS] = {
 		.op_func = (nfsd4op_func)nfsd4_access,
+		.op_name = "OP_ACCESS",
 	},
 	[OP_CLOSE] = {
 		.op_func = (nfsd4op_func)nfsd4_close,
+		.op_name = "OP_CLOSE",
 	},
 	[OP_COMMIT] = {
 		.op_func = (nfsd4op_func)nfsd4_commit,
+		.op_name = "OP_COMMIT",
 	},
 	[OP_CREATE] = {
 		.op_func = (nfsd4op_func)nfsd4_create,
+		.op_name = "OP_CREATE",
 	},
 	[OP_DELEGRETURN] = {
 		.op_func = (nfsd4op_func)nfsd4_delegreturn,
+		.op_name = "OP_DELEGRETURN",
 	},
 	[OP_GETATTR] = {
 		.op_func = (nfsd4op_func)nfsd4_getattr,
 		.op_flags = ALLOWED_ON_ABSENT_FS,
+		.op_name = "OP_GETATTR",
 	},
 	[OP_GETFH] = {
 		.op_func = (nfsd4op_func)nfsd4_getfh,
+		.op_name = "OP_GETFH",
 	},
 	[OP_LINK] = {
 		.op_func = (nfsd4op_func)nfsd4_link,
+		.op_name = "OP_LINK",
 	},
 	[OP_LOCK] = {
 		.op_func = (nfsd4op_func)nfsd4_lock,
+		.op_name = "OP_LOCK",
 	},
 	[OP_LOCKT] = {
 		.op_func = (nfsd4op_func)nfsd4_lockt,
+		.op_name = "OP_LOCKT",
 	},
 	[OP_LOCKU] = {
 		.op_func = (nfsd4op_func)nfsd4_locku,
+		.op_name = "OP_LOCKU",
 	},
 	[OP_LOOKUP] = {
 		.op_func = (nfsd4op_func)nfsd4_lookup,
+		.op_name = "OP_LOOKUP",
 	},
 	[OP_LOOKUPP] = {
 		.op_func = (nfsd4op_func)nfsd4_lookupp,
+		.op_name = "OP_LOOKUPP",
 	},
 	[OP_NVERIFY] = {
 		.op_func = (nfsd4op_func)nfsd4_nverify,
+		.op_name = "OP_NVERIFY",
 	},
 	[OP_OPEN] = {
 		.op_func = (nfsd4op_func)nfsd4_open,
+		.op_name = "OP_OPEN",
 	},
 	[OP_OPEN_CONFIRM] = {
 		.op_func = (nfsd4op_func)nfsd4_open_confirm,
+		.op_name = "OP_OPEN_CONFIRM",
 	},
 	[OP_OPEN_DOWNGRADE] = {
 		.op_func = (nfsd4op_func)nfsd4_open_downgrade,
+		.op_name = "OP_OPEN_DOWNGRADE",
 	},
 	[OP_PUTFH] = {
 		.op_func = (nfsd4op_func)nfsd4_putfh,
 		.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
+		.op_name = "OP_PUTFH",
 	},
 	[OP_PUTPUBFH] = {
-		/* unsupported; just for future reference: */
+		/* unsupported, just for future reference: */
 		.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
+		.op_name = "OP_PUTPUBFH",
 	},
 	[OP_PUTROOTFH] = {
 		.op_func = (nfsd4op_func)nfsd4_putrootfh,
 		.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
+		.op_name = "OP_PUTROOTFH",
 	},
 	[OP_READ] = {
 		.op_func = (nfsd4op_func)nfsd4_read,
+		.op_name = "OP_READ",
 	},
 	[OP_READDIR] = {
 		.op_func = (nfsd4op_func)nfsd4_readdir,
+		.op_name = "OP_READDIR",
 	},
 	[OP_READLINK] = {
 		.op_func = (nfsd4op_func)nfsd4_readlink,
+		.op_name = "OP_READLINK",
 	},
 	[OP_REMOVE] = {
 		.op_func = (nfsd4op_func)nfsd4_remove,
+		.op_name = "OP_REMOVE",
 	},
 	[OP_RENAME] = {
+		.op_name = "OP_RENAME",
 		.op_func = (nfsd4op_func)nfsd4_rename,
 	},
 	[OP_RENEW] = {
 		.op_func = (nfsd4op_func)nfsd4_renew,
 		.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
+		.op_name = "OP_RENEW",
 	},
 	[OP_RESTOREFH] = {
 		.op_func = (nfsd4op_func)nfsd4_restorefh,
 		.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
+		.op_name = "OP_RESTOREFH",
 	},
 	[OP_SAVEFH] = {
 		.op_func = (nfsd4op_func)nfsd4_savefh,
+		.op_name = "OP_SAVEFH",
 	},
 	[OP_SECINFO] = {
 		.op_func = (nfsd4op_func)nfsd4_secinfo,
+		.op_name = "OP_SECINFO",
 	},
 	[OP_SETATTR] = {
 		.op_func = (nfsd4op_func)nfsd4_setattr,
+		.op_name = "OP_SETATTR",
 	},
 	[OP_SETCLIENTID] = {
 		.op_func = (nfsd4op_func)nfsd4_setclientid,
 		.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
+		.op_name = "OP_SETCLIENTID",
 	},
 	[OP_SETCLIENTID_CONFIRM] = {
 		.op_func = (nfsd4op_func)nfsd4_setclientid_confirm,
 		.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
+		.op_name = "OP_SETCLIENTID_CONFIRM",
 	},
 	[OP_VERIFY] = {
 		.op_func = (nfsd4op_func)nfsd4_verify,
+		.op_name = "OP_VERIFY",
 	},
 	[OP_WRITE] = {
 		.op_func = (nfsd4op_func)nfsd4_write,
+		.op_name = "OP_WRITE",
 	},
 	[OP_RELEASE_LOCKOWNER] = {
 		.op_func = (nfsd4op_func)nfsd4_release_lockowner,
 		.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
+		.op_name = "OP_RELEASE_LOCKOWNER",
 	},
 };
 
+static inline char *
+nfsd4_op_name(unsigned opnum)
+{
+	if (opnum < ARRAY_SIZE(nfsd4_ops))
+		return nfsd4_ops[opnum].op_name;
+	return "unknown_operation";
+}
+
 #define nfs4svc_decode_voidargs		NULL
 #define nfs4svc_release_void		NULL
 #define nfsd4_voidres			nfsd4_voidargs