Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
fs/nfs/nfs2xdr.c | 35 +++++++++++++++++++++++++++++++++++
1 files changed, 35 insertions(+), 0 deletions(-)
diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c
index 06f5a54..c763149 100644
--- a/fs/nfs/nfs2xdr.c
+++ b/fs/nfs/nfs2xdr.c
@@ -661,6 +661,41 @@ nfs_xdr_readargs(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args)
}
/*
+ * 2.2.7. readargs
+ *
+ * struct readargs {
+ * fhandle file;
+ * unsigned offset;
+ * unsigned count;
+ * unsigned totalcount;
+ * };
+ */
+static int nfs2_xdr_enc_readargs(struct rpc_rqst *req, __be32 *p,
+ struct nfs_readargs *args)
+{
+ struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth;
+ u32 offset = (u32)args->offset;
+ u32 count = args->count;
+ struct xdr_stream xdr;
+ unsigned int replen;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_fhandle(&xdr, args->fh);
+ p = xdr_reserve_space(&xdr, 12);
+ BUG_ON(unlikely(p == NULL));
+ *p++ = cpu_to_be32(offset);
+ *p++ = cpu_to_be32(count);
+ *p++ = cpu_to_be32(count);
+
+ /* Prepare reply buffer to receive read data */
+ replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS_readres_sz) << 2;
+ xdr_inline_pages(&req->rq_rcv_buf, replen,
+ args->pages, args->pgbase, count);
+ req->rq_rcv_buf.flags |= XDRBUF_READ;
+ return 0;
+}
+
+/*
* Decode READ reply
*/
static int
--
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