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path: root/fs/nfs/nfs42xdr.c
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Diffstat (limited to 'fs/nfs/nfs42xdr.c')
-rw-r--r--fs/nfs/nfs42xdr.c154
1 files changed, 153 insertions, 1 deletions
diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c
index 9e3ae53e2205..4cc915d5741d 100644
--- a/fs/nfs/nfs42xdr.c
+++ b/fs/nfs/nfs42xdr.c
@@ -35,6 +35,11 @@
#define encode_offload_cancel_maxsz (op_encode_hdr_maxsz + \
XDR_QUADLEN(NFS4_STATEID_SIZE))
#define decode_offload_cancel_maxsz (op_decode_hdr_maxsz)
+#define encode_offload_status_maxsz (op_encode_hdr_maxsz + \
+ XDR_QUADLEN(NFS4_STATEID_SIZE))
+#define decode_offload_status_maxsz (op_decode_hdr_maxsz + \
+ 2 /* osr_count */ + \
+ 2 /* osr_complete */)
#define encode_copy_notify_maxsz (op_encode_hdr_maxsz + \
XDR_QUADLEN(NFS4_STATEID_SIZE) + \
1 + /* nl4_type */ \
@@ -143,10 +148,20 @@
decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_offload_cancel_maxsz)
+#define NFS4_enc_offload_status_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
+ encode_putfh_maxsz + \
+ encode_offload_status_maxsz)
+#define NFS4_dec_offload_status_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
+ decode_putfh_maxsz + \
+ decode_offload_status_maxsz)
#define NFS4_enc_copy_notify_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_copy_notify_maxsz)
#define NFS4_dec_copy_notify_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_copy_notify_maxsz)
#define NFS4_enc_deallocate_sz (compound_encode_hdr_maxsz + \
@@ -159,6 +174,18 @@
decode_putfh_maxsz + \
decode_deallocate_maxsz + \
decode_getattr_maxsz)
+#define NFS4_enc_zero_range_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
+ encode_putfh_maxsz + \
+ encode_deallocate_maxsz + \
+ encode_allocate_maxsz + \
+ encode_getattr_maxsz)
+#define NFS4_dec_zero_range_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
+ decode_putfh_maxsz + \
+ decode_deallocate_maxsz + \
+ decode_allocate_maxsz + \
+ decode_getattr_maxsz)
#define NFS4_enc_read_plus_sz (compound_encode_hdr_maxsz + \
encode_sequence_maxsz + \
encode_putfh_maxsz + \
@@ -343,6 +370,14 @@ static void encode_offload_cancel(struct xdr_stream *xdr,
encode_nfs4_stateid(xdr, &args->osa_stateid);
}
+static void encode_offload_status(struct xdr_stream *xdr,
+ const struct nfs42_offload_status_args *args,
+ struct compound_hdr *hdr)
+{
+ encode_op_hdr(xdr, OP_OFFLOAD_STATUS, decode_offload_status_maxsz, hdr);
+ encode_nfs4_stateid(xdr, &args->osa_stateid);
+}
+
static void encode_copy_notify(struct xdr_stream *xdr,
const struct nfs42_copy_notify_args *args,
struct compound_hdr *hdr)
@@ -549,7 +584,7 @@ static void nfs4_xdr_enc_copy(struct rpc_rqst *req,
}
/*
- * Encode OFFLOAD_CANEL request
+ * Encode OFFLOAD_CANCEL request
*/
static void nfs4_xdr_enc_offload_cancel(struct rpc_rqst *req,
struct xdr_stream *xdr,
@@ -568,6 +603,25 @@ static void nfs4_xdr_enc_offload_cancel(struct rpc_rqst *req,
}
/*
+ * Encode OFFLOAD_STATUS request
+ */
+static void nfs4_xdr_enc_offload_status(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ const void *data)
+{
+ const struct nfs42_offload_status_args *args = data;
+ struct compound_hdr hdr = {
+ .minorversion = nfs4_xdr_minorversion(&args->osa_seq_args),
+ };
+
+ encode_compound_hdr(xdr, req, &hdr);
+ encode_sequence(xdr, &args->osa_seq_args, &hdr);
+ encode_putfh(xdr, args->osa_src_fh, &hdr);
+ encode_offload_status(xdr, args, &hdr);
+ encode_nops(&hdr);
+}
+
+/*
* Encode COPY_NOTIFY request
*/
static void nfs4_xdr_enc_copy_notify(struct rpc_rqst *req,
@@ -607,6 +661,27 @@ static void nfs4_xdr_enc_deallocate(struct rpc_rqst *req,
}
/*
+ * Encode ZERO_RANGE request
+ */
+static void nfs4_xdr_enc_zero_range(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ const void *data)
+{
+ const struct nfs42_falloc_args *args = data;
+ struct compound_hdr hdr = {
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
+ };
+
+ encode_compound_hdr(xdr, req, &hdr);
+ encode_sequence(xdr, &args->seq_args, &hdr);
+ encode_putfh(xdr, args->falloc_fh, &hdr);
+ encode_deallocate(xdr, args, &hdr);
+ encode_allocate(xdr, args, &hdr);
+ encode_getfattr(xdr, args->falloc_bitmask, &hdr);
+ encode_nops(&hdr);
+}
+
+/*
* Encode READ_PLUS request
*/
static void nfs4_xdr_enc_read_plus(struct rpc_rqst *req,
@@ -919,6 +994,26 @@ static int decode_offload_cancel(struct xdr_stream *xdr,
return decode_op_hdr(xdr, OP_OFFLOAD_CANCEL);
}
+static int decode_offload_status(struct xdr_stream *xdr,
+ struct nfs42_offload_status_res *res)
+{
+ ssize_t result;
+ int status;
+
+ status = decode_op_hdr(xdr, OP_OFFLOAD_STATUS);
+ if (status)
+ return status;
+ /* osr_count */
+ if (xdr_stream_decode_u64(xdr, &res->osr_count) < 0)
+ return -EIO;
+ /* osr_complete<1> */
+ result = xdr_stream_decode_uint32_array(xdr, &res->osr_complete, 1);
+ if (result < 0)
+ return -EIO;
+ res->complete_count = result;
+ return 0;
+}
+
static int decode_copy_notify(struct xdr_stream *xdr,
struct nfs42_copy_notify_res *res)
{
@@ -1369,6 +1464,32 @@ out:
}
/*
+ * Decode OFFLOAD_STATUS response
+ */
+static int nfs4_xdr_dec_offload_status(struct rpc_rqst *rqstp,
+ struct xdr_stream *xdr,
+ void *data)
+{
+ struct nfs42_offload_status_res *res = data;
+ struct compound_hdr hdr;
+ int status;
+
+ status = decode_compound_hdr(xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_sequence(xdr, &res->osr_seq_res, rqstp);
+ if (status)
+ goto out;
+ status = decode_putfh(xdr);
+ if (status)
+ goto out;
+ status = decode_offload_status(xdr, res);
+
+out:
+ return status;
+}
+
+/*
* Decode COPY_NOTIFY response
*/
static int nfs4_xdr_dec_copy_notify(struct rpc_rqst *rqstp,
@@ -1423,6 +1544,37 @@ out:
}
/*
+ * Decode ZERO_RANGE request
+ */
+static int nfs4_xdr_dec_zero_range(struct rpc_rqst *rqstp,
+ struct xdr_stream *xdr,
+ void *data)
+{
+ struct nfs42_falloc_res *res = data;
+ struct compound_hdr hdr;
+ int status;
+
+ status = decode_compound_hdr(xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_sequence(xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
+ status = decode_putfh(xdr);
+ if (status)
+ goto out;
+ status = decode_deallocate(xdr, res);
+ if (status)
+ goto out;
+ status = decode_allocate(xdr, res);
+ if (status)
+ goto out;
+ decode_getfattr(xdr, res->falloc_fattr, res->falloc_server);
+out:
+ return status;
+}
+
+/*
* Decode READ_PLUS request
*/
static int nfs4_xdr_dec_read_plus(struct rpc_rqst *rqstp,