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sys-kernel/coreos-modules: enable EROFS module#2693

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tormath1 merged 2 commits intomainfrom
tormath1/erofs
Feb 26, 2025
Merged

sys-kernel/coreos-modules: enable EROFS module#2693
tormath1 merged 2 commits intomainfrom
tormath1/erofs

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@tormath1 tormath1 commented Feb 25, 2025

In this PR, we enable EROFS module in the Kernel configuration.

How to use

Images available on Bincache here: https://bincache.flatcar-linux.net/images/amd64/9999.9.100+tormath1-erofs/

core@localhost ~$ zgrep -i erofs /proc/config.gz
CONFIG_EROFS_FS=m
# CONFIG_EROFS_FS_DEBUG is not set
CONFIG_EROFS_FS_XATTR=y
CONFIG_EROFS_FS_POSIX_ACL=y
CONFIG_EROFS_FS_SECURITY=y
CONFIG_EROFS_FS_ZIP=y
# CONFIG_EROFS_FS_ZIP_LZMA is not set
# CONFIG_EROFS_FS_ZIP_DEFLATE is not set
# CONFIG_EROFS_FS_PCPU_KTHREAD is not set

Testing done

Load systemd-sysext (in erofs format) from https://github.com/travier/fedora-sysexts:

$ file tree-41.20250217.0-x86-64.raw
tree-41.20250217.0-x86-64.raw: EROFS filesystem, compat: SB_CHKSUM MTIME, blocksize=12, exslots=0, uuid=136E0E59-AC30-5847-B982-F524AFFE2F72, incompat: LZ4_0PADDING
core@localhost ~ $ systemd-sysext status
HIERARCHY EXTENSIONS         SINCE
/opt      none               -
/usr      containerd-flatcar Tue 2025-02-25 12:17:27 UTC
          docker-flatcar
          oem-qemu
          tree
core@localhost ~ $ tree /etc/extensions/
/etc/extensions/
|-- containerd-flatcar.raw -> /usr/share/flatcar/sysext/containerd-flatcar.raw
|-- docker-flatcar.raw -> /usr/share/flatcar/sysext/docker-flatcar.raw
|-- oem-qemu.raw -> /oem/sysext/oem-qemu-9999.9.100+tormath1-erofs.raw
`-- tree.raw

1 directory, 4 files
  • Changelog entries added in the respective changelog/ directory (user-facing change, bug fix, security fix, update)
  • Inspected CI output for image differences: /boot and /usr size, packages, list files for any missing binaries, kernel modules, config files, kernel modules, etc.

Size of the module:

core@localhost ~ $ du --si /usr/lib/modules/6.6.79-flatcar/kernel/fs/erofs/erofs.ko.xz
54k     /usr/lib/modules/6.6.79-flatcar/kernel/fs/erofs/erofs.ko.xz

Size increase:

 diff --git a/tmp/4256.0.0+nightly-20250224-2100-dioFIh b/tmp/9999.9.100+tormath1-erofs-AWl827
 index f85285fec3..9ee85533c6 100644
 --- a/tmp/4256.0.0+nightly-20250224-2100-dioFIh
 +++ b/tmp/9999.9.100+tormath1-erofs-AWl827
 @@ -1,5 +1,5 @@
  File    Size  Used Avail Use% Type
 -/boot   127M   63M   65M  50% vfat
 +/boot   127M   63M   64M  50% vfat
  /usr   1016M  478M  331M  60% btrfs
  /       2.0G   36K  1.8G   1% ext4
  SUM     3.1G  540M  2.2G  20% -

Closes: flatcar/Flatcar#1659

@tormath1 tormath1 added the main label Feb 25, 2025
@tormath1 tormath1 self-assigned this Feb 25, 2025
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github-actions bot commented Feb 25, 2025

Test report for 4256.0.0+nightly-20250224-2100 / amd64 arm64

Platforms tested : qemu_uefi-amd64 qemu_update-amd64 qemu_uefi-arm64 qemu_update-arm64

ok bpf.execsnoop 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok bpf.local-gadget 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.basic 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.cloudinit.basic 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.cloudinit.multipart-mime 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.cloudinit.script 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.disk.raid0.data 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.disk.raid0.root 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.disk.raid1.data 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.disk.raid1.root 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.etcd-member.discovery 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.etcd-member.etcdctlv3 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.etcd-member.v2-backup-restore 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.filesystem 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.flannel.udp 🟢 Succeeded: qemu_uefi-amd64 (1)

ok cl.flannel.vxlan 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.instantiated.enable-unit 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.kargs 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.luks 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.oem.indirect 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.oem.indirect.new 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.oem.regular 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.oem.regular.new 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.oem.reuse 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.oem.wipe 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.partition_on_boot_disk 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.symlink 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.translation 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.v1.btrfsroot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.v1.ext4root 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.v1.groups 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.v1.once 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.v1.sethostname 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.v1.users 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.v1.xfsroot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.v2.btrfsroot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.v2.ext4root 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.v2.users 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.v2.xfsroot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.v2_1.ext4checkexisting 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.v2_1.swap 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.ignition.v2_1.vfat 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.install.cloudinit 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.internet 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.locksmith.cluster 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.misc.falco 🟢 Succeeded: qemu_uefi-amd64 (1)

ok cl.network.initramfs.second-boot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.network.listeners 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.network.wireguard 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.omaha.ping 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.osreset.ignition-rerun 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.overlay.cleanup 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.swap_activation 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.sysext.boot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.sysext.fallbackdownload # SKIP 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.tang.nonroot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.tang.root 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.toolbox.dnf-install 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.tpm.eventlog 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.tpm.nonroot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.tpm.root 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.tpm.root-cryptenroll 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.tpm.root-cryptenroll-pcr-noupdate 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.tpm.root-cryptenroll-pcr-withupdate 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.update.badverity 🟢 Succeeded: qemu_uefi-amd64 (2); qemu_uefi-arm64 (1) ❌ Failed: qemu_uefi-amd64 (1)

                Diagnostic output for qemu_uefi-amd64, run 1 
    L1: " Error: _update.go:168: some systemd units failed:"
    L2: "??? ldconfig.service loaded failed failed Rebuild Dynamic Linker Cache"
    L3: "status: "
    L4: "journal:-- No entries --_"
    L5: " "
    L6: "  "

ok cl.update.payload 🟢 Succeeded: qemu_update-amd64 (1); qemu_update-arm64 (1)

ok cl.update.reboot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.users.shells 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok cl.verity 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.auth.verify 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.ignition.groups 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.ignition.once 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.ignition.resource.local 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.ignition.resource.remote 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.ignition.resource.s3.versioned 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.ignition.security.tls 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.ignition.sethostname 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.ignition.systemd.enable-service 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.locksmith.reboot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.locksmith.tls 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.selinux.boolean 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.selinux.enforce 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.tls.fetch-urls 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok coreos.update.badusr 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok devcontainer.docker 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok devcontainer.systemd-nspawn 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok docker.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok docker.btrfs-storage 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok docker.containerd-restart 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok docker.enable-service.sysext 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok docker.lib-coreos-dockerd-compat 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok docker.network-openbsd-nc 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok docker.selinux 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok docker.userns 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok extra-test.[first_dual].cl.update.docker-btrfs-compat 🟢 Succeeded: qemu_update-amd64 (1); qemu_update-arm64 (1)

ok extra-test.[first_dual].cl.update.payload 🟢 Succeeded: qemu_update-amd64 (1); qemu_update-arm64 (1)

ok kubeadm.v1.30.1.calico.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok kubeadm.v1.30.1.cilium.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok kubeadm.v1.30.1.flannel.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok kubeadm.v1.31.0.calico.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok kubeadm.v1.31.0.cilium.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok kubeadm.v1.31.0.flannel.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok kubeadm.v1.32.0.calico.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok kubeadm.v1.32.0.cilium.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok kubeadm.v1.32.0.flannel.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok linux.nfs.v3 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok linux.nfs.v4 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok linux.ntp 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok misc.fips 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok packages 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok sysext.custom-docker.sysext 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok sysext.custom-oem 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok sysext.disable-containerd 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok sysext.disable-docker 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok sysext.simple 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok systemd.journal.remote 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok systemd.journal.user 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

ok systemd.sysusers.gshadow 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

@tormath1 tormath1 marked this pull request as ready for review February 25, 2025 15:48
@tormath1
sys-kernel/coreos-modules: enable EROFS module with XATTR support
6c4860d 
Signed-off-by: Mathieu Tortuyaux <mtortuyaux@microsoft.com>
@tormath1
changelog: add entry
77bfff8 
Signed-off-by: Mathieu Tortuyaux <mtortuyaux@microsoft.com>
@tormath1 tormath1 requested a review from a team February 25, 2025 15:50
@tormath1 tormath1 moved this to ✅ Testing / in Review in Flatcar tactical, release planning, and roadmap Feb 25, 2025
@tormath1 tormath1 merged commit 1ca0e15 into main Feb 26, 2025
1 check failed
@tormath1 tormath1 deleted the tormath1/erofs branch February 26, 2025 09:00
@github-project-automation github-project-automation bot moved this from ✅ Testing / in Review to Implemented in Flatcar tactical, release planning, and roadmap Feb 26, 2025
@github-actions github-actions bot mentioned this pull request Mar 22, 2025
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[RFE] EROFS support

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