From: Andy Adamson <andros@xxxxxxxxxx>
The NFS v4.1 callback service has already been setup, and
rpc_xprt->serv points to the svc_serv structure describing it.
Invoke the xprt_setup_backchannel() initialization to pre-
allocate the necessary backchannel structures.
Signed-off-by: Ricardo Labiaga <ricardo.labiaga@xxxxxxxxxx>
Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx>
[nfs41: change nfs4_put_session(nfs4_session**) to nfs4_destroy_session(nfs_session*)]
Signed-off-by: Alexandros Batsakis <Alexandros.Batsakis@xxxxxxxxxx>
Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx>
[moved xprt_setup_backchannel from nfs4_init_session to nfs4_init_backchannel]
Signed-off-by: Andy Adamson <andros@xxxxxxxxxx>
Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx>
---
fs/nfs/client.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index ac6575c..4f75ec5 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -37,6 +37,7 @@
#include <linux/in6.h>
#include <net/ipv6.h>
#include <linux/nfs_xdr.h>
+#include <linux/sunrpc/bc_xprt.h>
#include <asm/system.h>
@@ -1096,6 +1097,14 @@ static int nfs4_init_callback(struct nfs_client *clp)
int error;
if (clp->rpc_ops->version == 4) {
+ if (nfs4_has_session(clp)) {
+ error = xprt_setup_backchannel(
+ clp->cl_rpcclient->cl_xprt,
+ NFS41_BC_MIN_CALLBACKS);
+ if (error < 0)
+ return error;
+ }
+
error = nfs_callback_up(clp->cl_minorversion,
clp->cl_rpcclient->cl_xprt);
if (error < 0) {
--
1.6.2.1
--
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