diff options
Diffstat (limited to 'fs/nfs/nfs42xdr.c')
| -rw-r--r-- | fs/nfs/nfs42xdr.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c index 5072d7ea72e9..b1b663468249 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 */ \ @@ -143,6 +148,14 @@ 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 + \ @@ -345,6 +358,14 @@ 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) @@ -570,6 +591,25 @@ 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, @@ -921,6 +961,26 @@ 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) { @@ -1371,6 +1431,32 @@ 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, |