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| author | Chuck Lever <chuck.lever@oracle.com> | 2015-10-24 17:28:32 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2015-11-02 16:29:13 -0500 |
| commit | 76566773a1f1c2295ed901b6f1241cfe10d99029 (patch) | |
| tree | 91395d3bb57a2733d6b4a8f3461a759770e83e92 /net/sunrpc/xprtrdma/backchannel.c | |
| parent | 0f2e3bdab6590a5d8900e7d701e21ac9af19924c (diff) | |
| download | lwn-76566773a1f1c2295ed901b6f1241cfe10d99029.tar.gz lwn-76566773a1f1c2295ed901b6f1241cfe10d99029.zip | |
NFS: Enable client side NFSv4.1 backchannel to use other transports
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>
Diffstat (limited to 'net/sunrpc/xprtrdma/backchannel.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/backchannel.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/backchannel.c b/net/sunrpc/xprtrdma/backchannel.c index 0b3387fe3f0d..2dcb44f69e53 100644 --- a/net/sunrpc/xprtrdma/backchannel.c +++ b/net/sunrpc/xprtrdma/backchannel.c @@ -7,6 +7,7 @@ #include <linux/module.h> #include <linux/sunrpc/xprt.h> #include <linux/sunrpc/svc.h> +#include <linux/sunrpc/svc_xprt.h> #include "xprt_rdma.h" @@ -174,6 +175,26 @@ out_err: } /** + * xprt_rdma_bc_up - Create transport endpoint for backchannel service + * @serv: server endpoint + * @net: network namespace + * + * The "xprt" is an implied argument: it supplies the name of the + * backchannel transport class. + * + * Returns zero on success, negative errno on failure + */ +int xprt_rdma_bc_up(struct svc_serv *serv, struct net *net) +{ + int ret; + + ret = svc_create_xprt(serv, "rdma-bc", net, PF_INET, 0, 0); + if (ret < 0) + return ret; + return 0; +} + +/** * rpcrdma_bc_marshal_reply - Send backwards direction reply * @rqst: buffer containing RPC reply data * |