nfs41: get_lease_time

[mv-sheeva.git] / fs / nfs / nfs4xdr.c

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 783c4214dccd888d9fc122db3bccc2ac82a00730..85ee1d17a46194b6101cf087447df8ed6c96b09a 100644 (file)
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -622,6 +622,14 @@ static int nfs4_stat_to_errno(int);
 #define NFS4_dec_exchange_id_sz \
                                (compound_decode_hdr_maxsz + \
                                 decode_exchange_id_maxsz)
+#define NFS4_enc_get_lease_time_sz     (compound_encode_hdr_maxsz + \
+                                        encode_sequence_maxsz + \
+                                        encode_putrootfh_maxsz + \
+                                        encode_fsinfo_maxsz)
+#define NFS4_dec_get_lease_time_sz     (compound_decode_hdr_maxsz + \
+                                        decode_sequence_maxsz + \
+                                        decode_putrootfh_maxsz + \
+                                        decode_fsinfo_maxsz)
 #endif /* CONFIG_NFS_V4_1 */
 
 static const umode_t nfs_type2fmt[] = {
@@ -2231,6 +2239,27 @@ static int nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, uint32_t *p,
        encode_nops(&hdr);
        return 0;
 }
+
+/*
+ * a GET_LEASE_TIME request
+ */
+static int nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, uint32_t *p,
+                                      struct nfs4_get_lease_time_args *args)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr = {
+               .minorversion = nfs4_xdr_minorversion(&args->la_seq_args),
+       };
+       const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 };
+
+       xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->la_seq_args, &hdr);
+       encode_putrootfh(&xdr, &hdr);
+       encode_fsinfo(&xdr, lease_bitmap, &hdr);
+       encode_nops(&hdr);
+       return 0;
+}
 #endif /* CONFIG_NFS_V4_1 */
 
 /*
@@ -4908,6 +4937,27 @@ static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, uint32_t *p,
                status = decode_exchange_id(&xdr, res);
        return status;
 }
+
+/*
+ * a GET_LEASE_TIME request
+ */
+static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, uint32_t *p,
+                                      struct nfs4_get_lease_time_res *res)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr;
+       int status;
+
+       xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (!status)
+               status = decode_sequence(&xdr, &res->lr_seq_res, rqstp);
+       if (!status)
+               status = decode_putrootfh(&xdr);
+       if (!status)
+               status = decode_fsinfo(&xdr, res->lr_fsinfo);
+       return status;
+}
 #endif /* CONFIG_NFS_V4_1 */
 
 __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus)
@@ -5081,6 +5131,7 @@ struct rpc_procinfo       nfs4_procedures[] = {
   PROC(FS_LOCATIONS,   enc_fs_locations, dec_fs_locations),
 #if defined(CONFIG_NFS_V4_1)
   PROC(EXCHANGE_ID,    enc_exchange_id,        dec_exchange_id),
+  PROC(GET_LEASE_TIME, enc_get_lease_time,     dec_get_lease_time),
 #endif /* CONFIG_NFS_V4_1 */
 };