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NFSD: added FREE_STATEID operation

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This operation is used by the client to tell the server to free a
stateid.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Bryan Schumaker
2011-07-13 11:04:21 -04:00
committed by J. Bruce Fields
parent ebc63e531c
commit e1ca12dfb1
4 changed files with 161 additions and 2 deletions
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32
fs/nfsd/nfs4xdr.c
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@@ -1245,6 +1245,19 @@ nfsd4_decode_destroy_session(struct nfsd4_compoundargs *argp,
DECODE_TAIL;
}
static __be32
nfsd4_decode_free_stateid(struct nfsd4_compoundargs *argp,
struct nfsd4_free_stateid *free_stateid)
{
DECODE_HEAD;
READ_BUF(sizeof(stateid_t));
READ32(free_stateid->fr_stateid.si_generation);
COPYMEM(&free_stateid->fr_stateid.si_opaque, sizeof(stateid_opaque_t));
DECODE_TAIL;
}
static __be32
nfsd4_decode_sequence(struct nfsd4_compoundargs *argp,
struct nfsd4_sequence *seq)
@@ -1370,7 +1383,7 @@ static nfsd4_dec nfsd41_dec_ops[] = {
[OP_EXCHANGE_ID] = (nfsd4_dec)nfsd4_decode_exchange_id,
[OP_CREATE_SESSION] = (nfsd4_dec)nfsd4_decode_create_session,
[OP_DESTROY_SESSION] = (nfsd4_dec)nfsd4_decode_destroy_session,
[OP_FREE_STATEID] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_FREE_STATEID] = (nfsd4_dec)nfsd4_decode_free_stateid,
[OP_GET_DIR_DELEGATION] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_GETDEVICEINFO] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_GETDEVICELIST] = (nfsd4_dec)nfsd4_decode_notsupp,
@@ -3115,6 +3128,21 @@ nfsd4_encode_destroy_session(struct nfsd4_compoundres *resp, int nfserr,
return nfserr;
}
static __be32
nfsd4_encode_free_stateid(struct nfsd4_compoundres *resp, int nfserr,
struct nfsd4_free_stateid *free_stateid)
{
__be32 *p;
if (nfserr)
return nfserr;
RESERVE_SPACE(4);
WRITE32(nfserr);
ADJUST_ARGS();
return nfserr;
}
static __be32
nfsd4_encode_sequence(struct nfsd4_compoundres *resp, int nfserr,
struct nfsd4_sequence *seq)
@@ -3196,7 +3224,7 @@ static nfsd4_enc nfsd4_enc_ops[] = {
[OP_EXCHANGE_ID] = (nfsd4_enc)nfsd4_encode_exchange_id,
[OP_CREATE_SESSION] = (nfsd4_enc)nfsd4_encode_create_session,
[OP_DESTROY_SESSION] = (nfsd4_enc)nfsd4_encode_destroy_session,
[OP_FREE_STATEID] = (nfsd4_enc)nfsd4_encode_noop,
[OP_FREE_STATEID] = (nfsd4_enc)nfsd4_encode_free_stateid,
[OP_GET_DIR_DELEGATION] = (nfsd4_enc)nfsd4_encode_noop,
[OP_GETDEVICEINFO] = (nfsd4_enc)nfsd4_encode_noop,
[OP_GETDEVICELIST] = (nfsd4_enc)nfsd4_encode_noop,