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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-11-15 14:56:07 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-12-01 17:21:46 -0500 |
| commit | cf80516579ceb87b91205e68fb31d5affd5aea8d (patch) | |
| tree | ed88119568a2fd6aea6d05dc1250a2651268c1b6 /fs/nfs/nfs4xdr.c | |
| parent | d8434d4c54789bd8ac30b4a69037115b3594d2b3 (diff) | |
| download | linux-cf80516579ceb87b91205e68fb31d5affd5aea8d.tar.gz linux-cf80516579ceb87b91205e68fb31d5affd5aea8d.tar.xz | |
NFSv4: Add encode/decode of the layoutreturn op in CLOSE
Add XDR encoding for the layoutreturn op, and storage for the layoutreturn
arguments to the CLOSE compound.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/nfs4xdr.c')
| -rw-r--r-- | fs/nfs/nfs4xdr.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 0a82b3fb2d27..73d2a68f0698 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -415,6 +415,8 @@ static int nfs4_stat_to_errno(int); #else /* CONFIG_NFS_V4_1 */ #define encode_sequence_maxsz 0 #define decode_sequence_maxsz 0 +#define encode_layoutreturn_maxsz 0 +#define decode_layoutreturn_maxsz 0 #endif /* CONFIG_NFS_V4_1 */ #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ @@ -508,11 +510,13 @@ static int nfs4_stat_to_errno(int); #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ encode_sequence_maxsz + \ encode_putfh_maxsz + \ + encode_layoutreturn_maxsz + \ encode_close_maxsz + \ encode_getattr_maxsz) #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ decode_sequence_maxsz + \ decode_putfh_maxsz + \ + decode_layoutreturn_maxsz + \ decode_close_maxsz + \ decode_getattr_maxsz) #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ @@ -2061,6 +2065,13 @@ static void encode_free_stateid(struct xdr_stream *xdr, encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); encode_nfs4_stateid(xdr, &args->stateid); } +#else +static inline void +encode_layoutreturn(struct xdr_stream *xdr, + const struct nfs4_layoutreturn_args *args, + struct compound_hdr *hdr) +{ +} #endif /* CONFIG_NFS_V4_1 */ /* @@ -2248,6 +2259,8 @@ static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, encode_compound_hdr(xdr, req, &hdr); encode_sequence(xdr, &args->seq_args, &hdr); encode_putfh(xdr, args->fh, &hdr); + if (args->lr_args) + encode_layoutreturn(xdr, args->lr_args, &hdr); encode_close(xdr, args, &hdr); if (args->bitmask != NULL) encode_getfattr(xdr, args->bitmask, &hdr); @@ -6088,6 +6101,13 @@ static int decode_free_stateid(struct xdr_stream *xdr, res->status = decode_op_hdr(xdr, OP_FREE_STATEID); return res->status; } +#else +static inline +int decode_layoutreturn(struct xdr_stream *xdr, + struct nfs4_layoutreturn_res *res) +{ + return 0; +} #endif /* CONFIG_NFS_V4_1 */ /* @@ -6440,6 +6460,12 @@ static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, status = decode_putfh(xdr); if (status) goto out; + if (res->lr_res) { + status = decode_layoutreturn(xdr, res->lr_res); + res->lr_ret = status; + if (status) + goto out; + } status = decode_close(xdr, res); if (status != 0) goto out; |