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NFS: Enable client side NFSv4.1 backchannel to use other transports

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Forechannel transports get their own "bc_up" method to create an
endpoint for the backchannel service.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
[Anna Schumaker: Add forward declaration of struct net to xprt.h]
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever
2015-10-24 17:28:32 -04:00
committed by Anna Schumaker
parent 0f2e3bdab6
commit 76566773a1
6 changed files with 46 additions and 32 deletions
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12
net/sunrpc/xprtsock.c
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@@ -1306,6 +1306,17 @@ static inline int _xs_tcp_read_data(struct rpc_xprt *xprt,
xs_tcp_read_reply(xprt, desc) :
xs_tcp_read_callback(xprt, desc);
}
static int xs_tcp_bc_up(struct svc_serv *serv, struct net *net)
{
int ret;
ret = svc_create_xprt(serv, "tcp-bc", net, PF_INET, 0,
SVC_SOCK_ANONYMOUS);
if (ret < 0)
return ret;
return 0;
}
#else
static inline int _xs_tcp_read_data(struct rpc_xprt *xprt,
struct xdr_skb_reader *desc)
@@ -2582,6 +2593,7 @@ static struct rpc_xprt_ops xs_tcp_ops = {
.inject_disconnect = xs_inject_disconnect,
#ifdef CONFIG_SUNRPC_BACKCHANNEL
.bc_setup = xprt_setup_bc,
.bc_up = xs_tcp_bc_up,
.bc_free_rqst = xprt_free_bc_rqst,
.bc_destroy = xprt_destroy_bc,
#endif