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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /fs/nfs/callback.c
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'fs/nfs/callback.c')
-rw-r--r--fs/nfs/callback.c40
1 files changed, 8 insertions, 32 deletions
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 75f7c0a75..a7f2e6e33 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -99,17 +99,6 @@ nfs4_callback_up(struct svc_serv *serv)
}
#if defined(CONFIG_NFS_V4_1)
-static int nfs41_callback_up_net(struct svc_serv *serv, struct net *net)
-{
- /*
- * Create an svc_sock for the back channel service that shares the
- * fore channel connection.
- * Returns the input port (0) and sets the svc_serv bc_xprt on success
- */
- return svc_create_xprt(serv, "tcp-bc", net, PF_INET, 0,
- SVC_SOCK_ANONYMOUS);
-}
-
/*
* The callback service for NFSv4.1 callbacks
*/
@@ -184,11 +173,6 @@ static inline void nfs_callback_bc_serv(u32 minorversion, struct rpc_xprt *xprt,
xprt->bc_serv = serv;
}
#else
-static int nfs41_callback_up_net(struct svc_serv *serv, struct net *net)
-{
- return 0;
-}
-
static void nfs_minorversion_callback_svc_setup(struct svc_serv *serv,
struct svc_rqst **rqstpp, int (**callback_svc)(void *vrqstp))
{
@@ -259,7 +243,8 @@ static void nfs_callback_down_net(u32 minorversion, struct svc_serv *serv, struc
svc_shutdown_net(serv, net);
}
-static int nfs_callback_up_net(int minorversion, struct svc_serv *serv, struct net *net)
+static int nfs_callback_up_net(int minorversion, struct svc_serv *serv,
+ struct net *net, struct rpc_xprt *xprt)
{
struct nfs_net *nn = net_generic(net, nfs_net_id);
int ret;
@@ -275,20 +260,11 @@ static int nfs_callback_up_net(int minorversion, struct svc_serv *serv, struct n
goto err_bind;
}
- switch (minorversion) {
- case 0:
- ret = nfs4_callback_up_net(serv, net);
- break;
- case 1:
- case 2:
- ret = nfs41_callback_up_net(serv, net);
- break;
- default:
- printk(KERN_ERR "NFS: unknown callback version: %d\n",
- minorversion);
- ret = -EINVAL;
- break;
- }
+ ret = -EPROTONOSUPPORT;
+ if (minorversion == 0)
+ ret = nfs4_callback_up_net(serv, net);
+ else if (xprt->ops->bc_up)
+ ret = xprt->ops->bc_up(serv, net);
if (ret < 0) {
printk(KERN_ERR "NFS: callback service start failed\n");
@@ -364,7 +340,7 @@ int nfs_callback_up(u32 minorversion, struct rpc_xprt *xprt)
goto err_create;
}
- ret = nfs_callback_up_net(minorversion, serv, net);
+ ret = nfs_callback_up_net(minorversion, serv, net, xprt);
if (ret < 0)
goto err_net;