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NFSv4: Add encode/decode of the layoutreturn op in DELEGRETURN

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Add XDR encoding for the layoutreturn op, and storage for the layoutreturn
arguments to the DELEGRETURN compound.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust
2016-11-15 15:03:33 -05:00
parent cf80516579
commit 586f1c39da
3 changed files with 54 additions and 9 deletions
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10
fs/nfs/nfs4xdr.c
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@@ -710,11 +710,13 @@ static int nfs4_stat_to_errno(int);
#define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \
encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_layoutreturn_maxsz + \
encode_delegreturn_maxsz + \
encode_getattr_maxsz)
#define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \
decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_layoutreturn_maxsz + \
decode_delegreturn_maxsz + \
decode_getattr_maxsz)
#define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \
@@ -2683,6 +2685,8 @@ static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req,
encode_compound_hdr(xdr, req, &hdr);
encode_sequence(xdr, &args->seq_args, &hdr);
encode_putfh(xdr, args->fhandle, &hdr);
if (args->lr_args)
encode_layoutreturn(xdr, args->lr_args, &hdr);
encode_getfattr(xdr, args->bitmask, &hdr);
encode_delegreturn(xdr, args->stateid, &hdr);
encode_nops(&hdr);
@@ -6942,6 +6946,12 @@ static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp,
status = decode_putfh(xdr);
if (status != 0)
goto out;
if (res->lr_res) {
status = decode_layoutreturn(xdr, res->lr_res);
res->lr_ret = status;
if (status)
goto out;
}
status = decode_getfattr(xdr, res->fattr, res->server);
if (status != 0)
goto out;