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nfsd41: sunrpc: add new xprt class for nfsv4.1 backchannel

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[sunrpc: change idle timeout value for the backchannel]
Signed-off-by: Alexandros Batsakis <batsakis@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Alexandros Batsakis
2009-09-10 17:33:30 +03:00
committed by J. Bruce Fields
parent 908329f2c0
commit f300baba5a
6 changed files with 114 additions and 18 deletions
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18
include/linux/sunrpc/xprt.h
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@@ -124,6 +124,23 @@ struct rpc_xprt_ops {
void (*print_stats)(struct rpc_xprt *xprt, struct seq_file *seq);
};
/*
* RPC transport identifiers
*
* To preserve compatibility with the historical use of raw IP protocol
* id's for transport selection, UDP and TCP identifiers are specified
* with the previous values. No such restriction exists for new transports,
* except that they may not collide with these values (17 and 6,
* respectively).
*/
#define XPRT_TRANSPORT_BC (1 << 31)
enum xprt_transports {
XPRT_TRANSPORT_UDP = IPPROTO_UDP,
XPRT_TRANSPORT_TCP = IPPROTO_TCP,
XPRT_TRANSPORT_BC_TCP = IPPROTO_TCP | XPRT_TRANSPORT_BC,
XPRT_TRANSPORT_RDMA = 256
};
struct rpc_xprt {
struct kref kref; /* Reference count */
struct rpc_xprt_ops * ops; /* transport methods */
@@ -232,6 +249,7 @@ struct xprt_create {
struct sockaddr * srcaddr; /* optional local address */
struct sockaddr * dstaddr; /* remote peer address */
size_t addrlen;
struct svc_xprt *bc_xprt; /* NFSv4.1 backchannel */
};
struct xprt_class {