install-cifs

#!/bin/bash

set -eu

source download-kernel.sh

CIFS_PATCH="${PWD}/cifs.patch"
FS_DIR="/lib/modules/$(uname -r)/updates/fs"
export EXTRAVERSION="-tegra"
export ARCH=arm64

pushd workdir

## config
zcat /proc/config.gz > "${TEGRA_KERNEL_OUT}/.config"
pushd "${TEGRA_KERNEL_OUT}"
patch -p1 -N < "${CIFS_PATCH}"
popd

## build
make -C ${KERNEL_DIR} O=${TEGRA_KERNEL_OUT} EXTRAVERSION=${EXTRAVERSION} modules_prepare
make -C ${KERNEL_DIR} O=${TEGRA_KERNEL_OUT} -j$(( $(nproc) + 1 )) M=fs/cifs
make -C ${KERNEL_DIR} O=${TEGRA_KERNEL_OUT} -j$(( $(nproc) + 1 )) M=fs/fscache
make -C ${KERNEL_DIR} O=${TEGRA_KERNEL_OUT} -j$(( $(nproc) + 1 )) M=fs/cachefiles

## install
sudo modprobe -r cifs && true
sudo modprobe -r fscache && true
sudo modprobe -r cachefiles && true
sudo mkdir -p "${FS_DIR}/cifs" "${FS_DIR}/fscache" "${FS_DIR}/cachefiles"
sudo cp "${TEGRA_KERNEL_OUT}/fs/cifs/cifs.ko" "${FS_DIR}/cifs/"
sudo cp "${TEGRA_KERNEL_OUT}/fs/fscache/fscache.ko" "${FS_DIR}/fscache/"
sudo cp "${TEGRA_KERNEL_OUT}/fs/cachefiles/cachefiles.ko" "${FS_DIR}/cachefiles/"
sudo depmod -a
sudo modprobe cifs && true

popd