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authorAlexandros Batsakis <batsakis@netapp.com>2009-12-05 21:27:02 +0300
committerTrond Myklebust <Trond.Myklebust@netapp.com>2009-12-05 21:27:02 +0300
commit31f0960778c78198957cf02cc970d92b72b929e4 (patch)
treeb5d061437c4a952e0fe78006a2ad9186c2e6ecc9 /fs/nfs/callback_xdr.c
parentc79571a508801e055a0be583d6dc70bddad7bb64 (diff)
downloadlinux-31f0960778c78198957cf02cc970d92b72b929e4.tar.xz
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.c27
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 */
};