From 788f7183fba86b46074c16e7d57ea09302badff4 Mon Sep 17 00:00:00 2001
From: Chuck Lever <chuck.lever@oracle.com>
Date: Thu, 5 Nov 2020 14:48:29 -0500
Subject: NFSD: Add common helpers to decode void args and encode void results
Start off the conversion to xdr_stream by de-duplicating the functions
that decode void arguments and encode void results.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
fs/nfsd/nfssvc.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
(limited to 'fs/nfsd/nfssvc.c')
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 74d5e58eadb0..24fb947a3c12 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -1075,6 +1075,34 @@ out_encode_err:
return 1;
}
+/**
+ * nfssvc_decode_voidarg - Decode void arguments
+ * @rqstp: Server RPC transaction context
+ * @p: buffer containing arguments to decode
+ *
+ * Return values:
+ * %0: Arguments were not valid
+ * %1: Decoding was successful
+ */
+int nfssvc_decode_voidarg(struct svc_rqst *rqstp, __be32 *p)
+{
+ return 1;
+}
+
+/**
+ * nfssvc_encode_voidres - Encode void results
+ * @rqstp: Server RPC transaction context
+ * @p: buffer in which to encode results
+ *
+ * Return values:
+ * %0: Local error while encoding
+ * %1: Encoding was successful
+ */
+int nfssvc_encode_voidres(struct svc_rqst *rqstp, __be32 *p)
+{
+ return xdr_ressize_check(rqstp, p);
+}
+
int nfsd_pool_stats_open(struct inode *inode, struct file *file)
{
int ret;
--
cgit