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| author | Bryan Schumaker <bjschuma@netapp.com> | 2011-07-13 17:04:21 +0200 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2011-07-16 00:58:47 +0200 |
| commit | e1ca12dfb1be7fe8b82ca723a9b511f7d808bf81 (patch) | |
| tree | 4d70be30b1bbd329d1edb036f9b974cce24f9b40 /fs/nfsd/nfs4xdr.c | |
| parent | svcrpc: fix list-corrupting race on nfsd shutdown (diff) | |
| download | linux-e1ca12dfb1be7fe8b82ca723a9b511f7d808bf81.tar.xz linux-e1ca12dfb1be7fe8b82ca723a9b511f7d808bf81.zip | |
NFSD: added FREE_STATEID operation
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>
Diffstat (limited to 'fs/nfsd/nfs4xdr.c')
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 990181103214..ef9bd6f24fc0 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1246,6 +1246,19 @@ nfsd4_decode_destroy_session(struct nfsd4_compoundargs *argp, } 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, @@ -3116,6 +3129,21 @@ nfsd4_encode_destroy_session(struct nfsd4_compoundres *resp, int 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, |