/usr/share/initramfs-tools/hooks
NameSizeModeActions
amd64_microcode38560755editdlrm
bcache5430755editdlrm
btrfs7010755editdlrm
cloud-initramfs-dyn-netconf1180755editdlrm
console_setup31420755editdlrm
copymods2800755editdlrm
cryptgnupg9580755editdlrm
cryptgnupg-sc22420755editdlrm
cryptkeyctl4570755editdlrm
cryptopensc15180755editdlrm
cryptpassdev8880755editdlrm
cryptroot153600755editdlrm
cryptroot-unlock10100755editdlrm
dmsetup5060755editdlrm
fixrtc4360755editdlrm
framebuffer5790755editdlrm
fsck21090755editdlrm
fuse2310755editdlrm
intel_microcode49440755editdlrm
iscsi7320755editdlrm
kbd3010755editdlrm
klibc-utils6460755editdlrm
kmod4320755editdlrm
linux-firmware8650755editdlrm
lvm26910755editdlrm
mdadm29750755editdlrm
ntfs_3g3040755editdlrm
overlayroot7320755editdlrm
plymouth58230755editdlrm
resume31160755editdlrm
sg3-utils4850755editdlrm
thermal13240755editdlrm
thin-provisioning-tools3690755editdlrm
udev18900755editdlrm
xfs8500755editdlrm
zz-busybox-initramfs22330755editdlrm
zz-dhclient4780755editdlrm
Edit: /usr/share/initramfs-tools/hooks/btrfs (701B)
#!/bin/sh set -e PREREQ="" prereqs() { echo "${PREREQ}" } case "${1}" in prereqs) prereqs exit 0 ;; esac . /usr/share/initramfs-tools/hook-functions if [ -x /bin/btrfs ] then copy_exec /bin/btrfs /bin if [ ! -x /usr/share/initramfs-tools/hooks/fsck ] && [ ! -x /etc/initramfs-tools/hooks/fsck ] then copy_exec /sbin/fsck.btrfs /sbin fi # Copy udev rules, which udev no longer does for UDEV_RULE in 64-btrfs.rules 64-btrfs-dm.rules; do for rules_folder in /lib/udev/rules.d /etc/udev/rules.d; do if [ -f $rules_folder/$UDEV_RULE ]; then mkdir -p $DESTDIR$rules_folder cp $rules_folder/$UDEV_RULE $DESTDIR$rules_folder/$UDEV_RULE fi done done fi