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| author | Alexandros Batsakis <batsakis@netapp.com> | 2009-12-05 13:27:02 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2009-12-05 13:27:02 -0500 |
| commit | 31f0960778c78198957cf02cc970d92b72b929e4 (patch) | |
| tree | b5d061437c4a952e0fe78006a2ad9186c2e6ecc9 /fs/nfs/callback_xdr.c | |
| parent | c79571a508801e055a0be583d6dc70bddad7bb64 (diff) | |
| download | linux-31f0960778c78198957cf02cc970d92b72b929e4.tar.bz2 | |
nfs41: V2 initial support for CB_RECALL_ANY
For now the clients returns _all_ the delegations of the specificed type
it holds
Signed-off-by: Alexandros Batsakis <batsakis@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/callback_xdr.c')
| -rw-r--r-- | fs/nfs/callback_xdr.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index 0fda5e66241d..8e1a2511c8be 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -23,6 +23,7 @@ #if defined(CONFIG_NFS_V4_1) #define CB_OP_SEQUENCE_RES_MAXSZ (CB_OP_HDR_RES_MAXSZ + \ 4 + 1 + 3) +#define CB_OP_RECALLANY_RES_MAXSZ (CB_OP_HDR_RES_MAXSZ) #endif /* CONFIG_NFS_V4_1 */ #define NFSDBG_FACILITY NFSDBG_CALLBACK @@ -326,6 +327,25 @@ out_free: goto out; } +static unsigned decode_recallany_args(struct svc_rqst *rqstp, + struct xdr_stream *xdr, + struct cb_recallanyargs *args) +{ + uint32_t *p; + + args->craa_addr = svc_addr(rqstp); + p = read_buf(xdr, 4); + if (unlikely(p == NULL)) + return htonl(NFS4ERR_BADXDR); + args->craa_objs_to_keep = ntohl(*p++); + p = read_buf(xdr, 4); + if (unlikely(p == NULL)) + return htonl(NFS4ERR_BADXDR); + args->craa_type_mask = ntohl(*p); + + return 0; +} + #endif /* CONFIG_NFS_V4_1 */ static __be32 encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) @@ -533,6 +553,7 @@ preprocess_nfs41_op(int nop, unsigned int op_nr, struct callback_op **op) case OP_CB_GETATTR: case OP_CB_RECALL: case OP_CB_SEQUENCE: + case OP_CB_RECALL_ANY: *op = &callback_ops[op_nr]; break; @@ -540,7 +561,6 @@ preprocess_nfs41_op(int nop, unsigned int op_nr, struct callback_op **op) case OP_CB_NOTIFY_DEVICEID: case OP_CB_NOTIFY: case OP_CB_PUSH_DELEG: - case OP_CB_RECALL_ANY: case OP_CB_RECALLABLE_OBJ_AVAIL: case OP_CB_RECALL_SLOT: case OP_CB_WANTS_CANCELLED: @@ -688,6 +708,11 @@ static struct callback_op callback_ops[] = { .encode_res = (callback_encode_res_t)encode_cb_sequence_res, .res_maxsize = CB_OP_SEQUENCE_RES_MAXSZ, }, + [OP_CB_RECALL_ANY] = { + .process_op = (callback_process_op_t)nfs4_callback_recallany, + .decode_args = (callback_decode_arg_t)decode_recallany_args, + .res_maxsize = CB_OP_RECALLANY_RES_MAXSZ, + }, #endif /* CONFIG_NFS_V4_1 */ }; |