first take on linux kernel 7 #156

	name: nullfsvfs CI on ubuntu-latest

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: abbbi/github-actions-tune@v1
	- name: apt update
	run: sudo apt-get update
	- name: Install build-essential and devscripts
	run: sudo apt-get install build-essential devscripts equivs acl codespell dh-dkms
	- name: Run codespell
	run: codespell -L filp,iput .
	- name: Install Kernel Build Dependencies
	run: sudo mk-build-deps --install debian/control
	- name: Remove dependency package
	run: rm -f nullfsvfs-build-deps*.deb
	- name: Build Debian package
	run: sudo -E dpkg-buildpackage -uc -us -b
	- name: Install generated Package
	run: sudo dpkg -i ../nullfsvfs_*_amd64.deb
	- name: Modprobe kernel module
	run: sudo modprobe nullfsvfs
	- name: Mount nullfs
	run: sudo mount -t nullfsvfs none /mnt
	- name: Test filecopy
	run: sudo cp -r /etc/ /mnt/
	- name: Test mknod
	run: sudo mknod /mnt/nod c 1 8
	- name: Test acl
	run: \|
	sudo mkdir /mnt/acl_dir
	sudo touch /mnt/acl_file
	sudo setfacl -m d:u:root:r /mnt/acl_dir
	sudo setfacl -m u:root:r /mnt/acl_file
	sudo setfacl -m u:root:r /mnt/nod
	- name: Test file
	run: sudo dd if=/dev/zero of=/mnt/direct bs=1M count=1953
	- name: Test filesize
	run: sudo stat --printf '%s' /mnt/direct \| grep 2047868928
	- name: Umount nullfsvfs
	run: sudo umount /mnt

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