kernel: enable nfs support

Signed-off-by: Peng Tao <bergwolf@gmail.com>

Author: bergwolf

build/Dockerfile

@@ -1,7 +1,7 @@
 FROM centos:7
 MAINTAINER Hyper Developers <dev@hyper.sh>
 
-RUN yum install -y patch gcc ncurses-devel make openssl-devel bc
+RUN yum install -y patch gcc ncurses-devel make openssl-devel bc perl
 
 ENV KERNEL_VERSION 4.4.28
 ENV LOCALVERSION -hyper

build/kernel

@@ -1185,7 +1185,7 @@ CONFIG_NET_ACT_CONNMARK=m
 CONFIG_NET_CLS_IND=y
 CONFIG_NET_SCH_FIFO=y
 CONFIG_DCB=y
-# CONFIG_DNS_RESOLVER is not set
+CONFIG_DNS_RESOLVER=m
 # CONFIG_BATMAN_ADV is not set
 CONFIG_OPENVSWITCH=m
 CONFIG_OPENVSWITCH_GRE=m
@@ -2059,8 +2059,23 @@ CONFIG_TMPFS_XATTR=y
 # CONFIG_CONFIGFS_FS is not set
 # CONFIG_MISC_FILESYSTEMS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
-# CONFIG_NFS_FS is not set
+CONFIG_NFS_FS=m
+CONFIG_NFS_V2=m
+CONFIG_NFS_V3=m
+# CONFIG_NFS_V3_ACL is not set
+CONFIG_NFS_V4=m
+# CONFIG_NFS_SWAP is not set
+# CONFIG_NFS_V4_1 is not set
+# CONFIG_NFS_USE_LEGACY_DNS is not set
+CONFIG_NFS_USE_KERNEL_DNS=y
 # CONFIG_NFSD is not set
+CONFIG_GRACE_PERIOD=m
+CONFIG_LOCKD=m
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=m
+CONFIG_SUNRPC_GSS=m
+# CONFIG_SUNRPC_DEBUG is not set
 # CONFIG_CEPH_FS is not set
 # CONFIG_CIFS is not set
 # CONFIG_NCP_FS is not set
@@ -2484,6 +2499,7 @@ CONFIG_NLATTR=y
 CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
 # CONFIG_CORDIC is not set
 # CONFIG_DDR is not set
+CONFIG_OID_REGISTRY=m
 # CONFIG_SG_SPLIT is not set
 CONFIG_ARCH_HAS_SG_CHAIN=y
 CONFIG_ARCH_HAS_PMEM_API=y