NFS: Create a common results structure for reads and writes

Reads and writes have very similar results.  This patch combines the two
structs together with comments to show where the differing fields are
used.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

1 files changed, 12 insertions, 20 deletions

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 5875001928f..381f832b03c 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -489,16 +489,6 @@ struct nfs4_delegreturnres {
 };
 
 /*
- * Arguments to the read call.
- */
-struct nfs_readres {
-	struct nfs4_sequence_res	seq_res;
-	struct nfs_fattr *	fattr;
-	__u32			count;
-	int                     eof;
-};
-
-/*
  * Arguments to the write call.
  */
 struct nfs_write_verifier {
@@ -510,14 +500,6 @@ struct nfs_writeverf {
 	enum nfs3_stable_how	committed;
 };
 
-struct nfs_writeres {
-	struct nfs4_sequence_res	seq_res;
-	struct nfs_fattr *	fattr;
-	struct nfs_writeverf *	verf;
-	__u32			count;
-	const struct nfs_server *server;
-};
-
 /*
  * Arguments shared by the read and write call.
  */
@@ -535,6 +517,16 @@ struct nfs_pgio_args {
 	enum nfs3_stable_how	stable;		/* used by write */
 };
 
+struct nfs_pgio_res {
+	struct nfs4_sequence_res	seq_res;
+	struct nfs_fattr *	fattr;
+	__u32			count;
+	int			eof;		/* used by read */
+	struct nfs_writeverf *	verf;		/* used by write */
+	const struct nfs_server *server;	/* used by write */
+
+};
+
 /*
  * Arguments to the commit call.
  */
@@ -1261,7 +1253,7 @@ struct nfs_read_data {
 	struct rpc_task		task;
 	struct nfs_fattr	fattr;	/* fattr storage */
 	struct nfs_pgio_args	args;
-	struct nfs_readres  res;
+	struct nfs_pgio_res	res;
 	unsigned long		timestamp;	/* For lease renewal */
 	int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
 	__u64			mds_offset;
@@ -1313,7 +1305,7 @@ struct nfs_write_data {
 	struct nfs_fattr	fattr;
 	struct nfs_writeverf	verf;
 	struct nfs_pgio_args	args;		/* argument struct */
-	struct nfs_writeres	res;		/* result struct */
+	struct nfs_pgio_res	res;		/* result struct */
 	unsigned long		timestamp;	/* For lease renewal */
 	int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
 	__u64			mds_offset;	/* Filelayout dense stripe */