return status;
}
-/*
- * Retrieve the list of Data Server devices from the MDS.
- */
-static int _nfs4_getdevicelist(struct nfs_server *server,
- const struct nfs_fh *fh,
- struct pnfs_devicelist *devlist)
-{
- struct nfs4_getdevicelist_args args = {
- .fh = fh,
- .layoutclass = server->pnfs_curr_ld->id,
- };
- struct nfs4_getdevicelist_res res = {
- .devlist = devlist,
- };
- struct rpc_message msg = {
- .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_GETDEVICELIST],
- .rpc_argp = &args,
- .rpc_resp = &res,
- };
- int status;
-
- dprintk("--> %s\n", __func__);
- status = nfs4_call_sync(server->client, server, &msg, &args.seq_args,
- &res.seq_res, 0);
- dprintk("<-- %s status=%d\n", __func__, status);
- return status;
-}
-
-int nfs4_proc_getdevicelist(struct nfs_server *server,
- const struct nfs_fh *fh,
- struct pnfs_devicelist *devlist)
-{
- struct nfs4_exception exception = { };
- int err;
-
- do {
- err = nfs4_handle_exception(server,
- _nfs4_getdevicelist(server, fh, devlist),
- &exception);
- } while (exception.retry);
-
- dprintk("%s: err=%d, num_devs=%u\n", __func__,
- err, devlist->num_devs);
-
- return err;
-}
-EXPORT_SYMBOL_GPL(nfs4_proc_getdevicelist);
-
static int
_nfs4_proc_getdeviceinfo(struct nfs_server *server,
struct pnfs_device *pdev,
XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5)
#define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4)
#define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4)
-#define encode_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \
- encode_verifier_maxsz)
-#define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \
- 2 /* nfs_cookie4 gdlr_cookie */ + \
- decode_verifier_maxsz \
- /* verifier4 gdlr_verifier */ + \
- 1 /* gdlr_deviceid_list count */ + \
- XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \
- NFS4_DEVICEID4_SIZE) \
- /* gdlr_deviceid_list */ + \
- 1 /* bool gdlr_eof */)
#define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \
XDR_QUADLEN(NFS4_DEVICEID4_SIZE))
#define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \
#define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \
decode_sequence_maxsz + \
decode_reclaim_complete_maxsz)
-#define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \
- encode_sequence_maxsz + \
- encode_putfh_maxsz + \
- encode_getdevicelist_maxsz)
-#define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \
- decode_sequence_maxsz + \
- decode_putfh_maxsz + \
- decode_getdevicelist_maxsz)
#define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \
encode_sequence_maxsz +\
encode_getdeviceinfo_maxsz)
}
#ifdef CONFIG_NFS_V4_1
-static void
-encode_getdevicelist(struct xdr_stream *xdr,
- const struct nfs4_getdevicelist_args *args,
- struct compound_hdr *hdr)
-{
- __be32 *p;
- nfs4_verifier dummy = {
- .data = "dummmmmy",
- };
-
- encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr);
- p = reserve_space(xdr, 16);
- *p++ = cpu_to_be32(args->layoutclass);
- *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM);
- xdr_encode_hyper(p, 0ULL); /* cookie */
- encode_nfs4_verifier(xdr, &dummy);
-}
-
static void
encode_getdeviceinfo(struct xdr_stream *xdr,
const struct nfs4_getdeviceinfo_args *args,
encode_nops(&hdr);
}
-/*
- * Encode GETDEVICELIST request
- */
-static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req,
- struct xdr_stream *xdr,
- struct nfs4_getdevicelist_args *args)
-{
- struct compound_hdr hdr = {
- .minorversion = nfs4_xdr_minorversion(&args->seq_args),
- };
-
- encode_compound_hdr(xdr, req, &hdr);
- encode_sequence(xdr, &args->seq_args, &hdr);
- encode_putfh(xdr, args->fh, &hdr);
- encode_getdevicelist(xdr, args, &hdr);
- encode_nops(&hdr);
-}
-
/*
* Encode GETDEVICEINFO request
*/
}
#if defined(CONFIG_NFS_V4_1)
-/*
- * TODO: Need to handle case when EOF != true;
- */
-static int decode_getdevicelist(struct xdr_stream *xdr,
- struct pnfs_devicelist *res)
-{
- __be32 *p;
- int status, i;
- nfs4_verifier verftemp;
-
- status = decode_op_hdr(xdr, OP_GETDEVICELIST);
- if (status)
- return status;
-
- p = xdr_inline_decode(xdr, 8 + 8 + 4);
- if (unlikely(!p))
- goto out_overflow;
-
- /* TODO: Skip cookie for now */
- p += 2;
-
- /* Read verifier */
- p = xdr_decode_opaque_fixed(p, verftemp.data, NFS4_VERIFIER_SIZE);
-
- res->num_devs = be32_to_cpup(p);
-
- dprintk("%s: num_dev %d\n", __func__, res->num_devs);
-
- if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) {
- printk(KERN_ERR "NFS: %s too many result dev_num %u\n",
- __func__, res->num_devs);
- return -EIO;
- }
-
- p = xdr_inline_decode(xdr,
- res->num_devs * NFS4_DEVICEID4_SIZE + 4);
- if (unlikely(!p))
- goto out_overflow;
- for (i = 0; i < res->num_devs; i++)
- p = xdr_decode_opaque_fixed(p, res->dev_id[i].data,
- NFS4_DEVICEID4_SIZE);
- res->eof = be32_to_cpup(p);
- return 0;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
-}
-
static int decode_getdeviceinfo(struct xdr_stream *xdr,
struct pnfs_device *pdev)
{
return status;
}
-/*
- * Decode GETDEVICELIST response
- */
-static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp,
- struct xdr_stream *xdr,
- struct nfs4_getdevicelist_res *res)
-{
- struct compound_hdr hdr;
- int status;
-
- dprintk("encoding getdevicelist!\n");
-
- status = decode_compound_hdr(xdr, &hdr);
- if (status != 0)
- goto out;
- status = decode_sequence(xdr, &res->seq_res, rqstp);
- if (status != 0)
- goto out;
- status = decode_putfh(xdr);
- if (status != 0)
- goto out;
- status = decode_getdevicelist(xdr, res->devlist);
-out:
- return status;
-}
-
/*
* Decode GETDEVINFO response
*/
PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name),
PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid),
PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid),
- PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist),
PROC(BIND_CONN_TO_SESSION,
enc_bind_conn_to_session, dec_bind_conn_to_session),
PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid),
projects / users / hch / configfs.git / commitdiff