NFSv4.1: Set the RPC_CLNT_CREATE_INFINITE_SLOTS flag for NFSv4.1 transports
This ensures that the RPC layer doesn't override the NFS session
negotiation.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 84d8eae..c513b0c 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -593,6 +593,8 @@
args.flags |= RPC_CLNT_CREATE_DISCRTRY;
if (test_bit(NFS_CS_NORESVPORT, &clp->cl_flags))
args.flags |= RPC_CLNT_CREATE_NONPRIVPORT;
+ if (test_bit(NFS_CS_INFINITE_SLOTS, &clp->cl_flags))
+ args.flags |= RPC_CLNT_CREATE_INFINITE_SLOTS;
if (!IS_ERR(clp->cl_rpcclient))
return 0;
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 17b34b2..f4d4d4e 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -198,6 +198,8 @@
/* Check NFS protocol revision and initialize RPC op vector */
clp->rpc_ops = &nfs_v4_clientops;
+ if (clp->cl_minorversion != 0)
+ __set_bit(NFS_CS_INFINITE_SLOTS, &clp->cl_flags);
__set_bit(NFS_CS_DISCRTRY, &clp->cl_flags);
error = nfs_create_rpc_client(clp, timeparms, authflavour);
if (error < 0)
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index d8fdfdc..3b7fa2a 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -40,6 +40,7 @@
#define NFS_CS_NORESVPORT 0 /* - use ephemeral src port */
#define NFS_CS_DISCRTRY 1 /* - disconnect on RPC retry */
#define NFS_CS_MIGRATION 2 /* - transparent state migr */
+#define NFS_CS_INFINITE_SLOTS 3 /* - don't limit TCP slots */
struct sockaddr_storage cl_addr; /* server identifier */
size_t cl_addrlen;
char * cl_hostname; /* hostname of server */