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NFSv4: Simplify the struct nfs4_stateid

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Replace the union with the common struct stateid4 as defined in both
RFC3530 and RFC5661. This makes it easier to access the sequence id,
which will again make implementing support for parallel OPEN calls
easier.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2012-03-04 18:13:57 -05:00
parent f597c53790
commit 2d2f24add1
7 changed files with 19 additions and 23 deletions
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6
fs/nfs/nfs4xdr.c
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@@ -930,7 +930,7 @@ static void encode_nops(struct compound_hdr *hdr)
static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid)
{
encode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE);
encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE);
}
static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf)
@@ -1548,7 +1548,7 @@ static void encode_open_stateid(struct xdr_stream *xdr, const struct nfs_open_co
if (ctx->state != NULL) {
nfs4_select_rw_stateid(&stateid, ctx->state, l_ctx->lockowner, l_ctx->pid);
if (zero_seqid)
stateid.stateid.seqid = 0;
stateid.seqid = 0;
encode_nfs4_stateid(xdr, &stateid);
} else
encode_nfs4_stateid(xdr, &zero_stateid);
@@ -4237,7 +4237,7 @@ static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len)
static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid)
{
return decode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE);
return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE);
}
static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res)