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local

# Local filesystem mounting -*- shell-script -*- local_top() { if [ "${local_top_used}" != "yes" ]; then [ "${quiet?}" != "y" ] && log_begin_msg "Running /scripts/local-top" run_scripts /scripts/local-top [ "$quiet" != "y" ] && log_end_msg fi local_top_used=yes } local_block() { [ "${quiet?}" != "y" ] && log_begin_msg "Running /scripts/local-block" run_scripts /scripts/local-block "$@" [ "$quiet" != "y" ] && log_end_msg } local_premount() { if [ "${local_premount_used}" != "yes" ]; then [ "${quiet?}" != "y" ] && log_begin_msg "Running /scripts/local-premount" run_scripts /scripts/local-premount [ "$quiet" != "y" ] && log_end_msg fi local_premount_used=yes } local_bottom() { if [ "${local_premount_used}" = "yes" ] || [ "${local_top_used}" = "yes" ]; then [ "${quiet?}" != "y" ] && log_begin_msg "Running /scripts/local-bottom" run_scripts /scripts/local-bottom [ "$quiet" != "y" ] && log_end_msg fi local_premount_used=no local_top_used=no } # $1=device ID to mount # $2=optionname (for root and etc) # $3=panic if device is missing (true or false, default: true) # Sets $DEV to the resolved device node local_device_setup() { local dev_id="$1" local name="$2" local may_panic="${3:-true}" local real_dev local time_elapsed local count # If wait-for-root understands this prefix, then use it to wait for # the device rather than settling the whole of udev. # Timeout is max(30, rootdelay) seconds (approximately) local slumber=30 case $DPKG_ARCH in powerpc|ppc64|ppc64el) slumber=180 ;; *) slumber=30 ;; esac if [ "${ROOTDELAY:-0}" -gt $slumber ]; then slumber=$ROOTDELAY fi case "$dev_id" in UUID=*|LABEL=*|PARTUUID=*|/dev/*) FSTYPE=$( wait-for-root "$dev_id" "$slumber" ) ;; *) wait_for_udev 10 ;; esac # Load ubi with the correct MTD partition and return since fstype # doesn't work with a char device like ubi. if [ -n "$UBIMTD" ]; then /sbin/modprobe ubi "mtd=$UBIMTD" DEV="${dev_id}" return fi # Don't wait for a device that doesn't have a corresponding # device in /dev and isn't resolvable by blkid (e.g. mtd0) if [ "${dev_id#/dev}" = "${dev_id}" ] && [ "${dev_id#*=}" = "${dev_id}" ]; then DEV="${dev_id}" return fi # If the root device hasn't shown up yet, give it a little while # to allow for asynchronous device discovery (e.g. USB). We # also need to keep invoking the local-block scripts in case # there are devices stacked on top of those. # # in Ubuntu, we should never actually enter this loop as wait-for-root # above should have waited until the device appeared. if ! real_dev=$(resolve_device "${dev_id}") || ! get_fstype "${real_dev}" >/dev/null; then log_begin_msg "Waiting for ${name}" while true; do sleep 1 time_elapsed="$(time_elapsed)" local_block "${dev_id}" # If mdadm's local-block script counts the # number of times it is run, make sure to # run it the expected number of times. mdadm_exec=0 while true; do if [ -f /run/count.mdadm.initrd ]; then count="$(cat /run/count.mdadm.initrd)" elif [ -n "${count}" ]; then # mdadm script deleted it; put it back count=$((count + 1)) echo "${count}" >/run/count.mdadm.initrd else break fi if [ "${count}" -ge "${time_elapsed}" ]; then break; fi # Track that mdadm was executed to force # cryptroot execution after the loop, see # LP #1879980. mdadm_exec=1 /scripts/local-block/mdadm "${dev_id}" # Cryptroot must run here, see LP #1879980. # The counter is inc/dec on cryptroot script! if [ -f /run/cryptroot.initrd.cnt ]; then crypt_cnt=$(cat /run/cryptroot.initrd.cnt) if [ "${crypt_cnt}" -gt 0 ]; then /scripts/local-block/cryptroot "${dev_id}" fi fi done # Extra cryptroot run after mdadm loop in order to # start encrypted volumes on top of RAID arrays. if [ -f /run/cryptroot.initrd.cnt ]; then crypt_cnt=$(cat /run/cryptroot.initrd.cnt) if [ "${crypt_cnt}" -gt 0 ] || [ ${mdadm_exec} -ne 0 ]; then /scripts/local-block/cryptroot "${dev_id}" fi fi if real_dev=$(resolve_device "${dev_id}") && get_fstype "${real_dev}" >/dev/null; then wait_for_udev 10 log_end_msg 0 break fi if [ "${time_elapsed}" -ge "${slumber}" ]; then log_end_msg 1 || true break fi done fi # We've given up, but we'll let the user fix matters if they can while ! real_dev=$(resolve_device "${dev_id}") || ! get_fstype "${real_dev}" >/dev/null; do if ! $may_panic; then echo "Gave up waiting for ${name}" return 1 fi echo "Gave up waiting for ${name} device. Common problems:" echo " - Boot args (cat /proc/cmdline)" echo " - Check rootdelay= (did the system wait long enough?)" if [ "${name}" = root ]; then echo " - Check root= (did the system wait for the right device?)" fi echo " - Missing modules (cat /proc/modules; ls /dev)" panic "ALERT! ${dev_id} does not exist. Dropping to a shell!" done DEV="${real_dev}" } local_mount_root() { local_top if [ -z "${ROOT}" ]; then panic "No root device specified. Boot arguments must include a root= parameter." fi local_device_setup "${ROOT}" "root file system" ROOT="${DEV}" # Get the root filesystem type if not set if [ -z "${ROOTFSTYPE}" ] || [ "${ROOTFSTYPE}" = auto ]; then FSTYPE=$(get_fstype "${ROOT}") else FSTYPE=${ROOTFSTYPE} fi local_premount if [ "${readonly?}" = "y" ] && \ [ -z "$LOOP" ]; then roflag=-r else roflag=-w fi checkfs "${ROOT}" root "${FSTYPE}" # Mount root # shellcheck disable=SC2086 mount ${roflag} ${FSTYPE:+-t "${FSTYPE}"} ${ROOTFLAGS} "${ROOT}" "${rootmnt?}" mountroot_status="$?" if [ "$LOOP" ]; then if [ "$mountroot_status" != 0 ]; then if [ "${FSTYPE}" = ntfs ] || [ "${FSTYPE}" = vfat ] then panic " Could not mount the partition ${ROOT}. This could also happen if the file system is not clean because of an operating system crash, an interrupted boot process, an improper shutdown, or unplugging of a removable device without first unmounting or ejecting it. To fix this, simply reboot into Windows, let it fully start, log in, run 'chkdsk /r', then gracefully shut down and reboot back into Windows. After this you should be able to reboot again and resume the installation. (filesystem = ${FSTYPE}, error code = $mountroot_status) " fi fi mkdir -p /host mount -o move "$rootmnt" /host while [ ! -e "/host/${LOOP#/}" ]; do panic "ALERT! /host/${LOOP#/} does not exist. Dropping to a shell!" done # Get the loop filesystem type if not set # shellcheck disable=SC2153 FSTYPE="$LOOPFSTYPE" if [ -z "$FSTYPE" ] || [ "$FSTYPE" = "unknown" ]; then FSTYPE=$(/sbin/blkid -s TYPE -o value "/host/${LOOP#/}") [ -z "$FSTYPE" ] && FSTYPE="unknown" fi if [ "$readonly" = y ]; then roflag=-r else roflag=-w fi # FIXME This has no error checking modprobe loop # FIXME This has no error checking # shellcheck disable=SC2086 mount ${roflag} -o loop -t ${FSTYPE} ${LOOPFLAGS} "/host/${LOOP#/}" "${rootmnt?}" if [ -d "$rootmnt/host" ]; then mount -o move /host "$rootmnt/host" fi fi } local_mount_fs() { read_fstab_entry "$1" local_device_setup "$MNT_FSNAME" "$1 file system" MNT_FSNAME="${DEV}" local_premount if [ "${readonly}" = "y" ]; then roflag=-r else roflag=-w fi if [ "$MNT_PASS" != 0 ]; then checkfs "$MNT_FSNAME" "$MNT_DIR" "${MNT_TYPE}" fi # Mount filesystem if ! mount ${roflag} -t "${MNT_TYPE}" -o "${MNT_OPTS}" "$MNT_FSNAME" "${rootmnt}${MNT_DIR}"; then panic "Failed to mount ${MNT_FSNAME} as $MNT_DIR file system." fi } mountroot() { local_mount_root } mount_top() { # Note, also called directly in case it's overridden. local_top } mount_premount() { # Note, also called directly in case it's overridden. local_premount } mount_bottom() { # Note, also called directly in case it's overridden. local_bottom }

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docroot: /var/www/469ed2f6-4d4b-4a8a-9f5e-ee4ef04d3bc8/public_html

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curdir: /usr/share/initramfs-tools/scripts

	.		4096
	..		4096
X	functions		22861
	init-bottom		4096
	init-premount		4096
	init-top		4096
X	local		8002
	local-block		4096
	local-bottom		4096
	local-premount		4096
	local-top		4096
X	nfs		3103
	panic		4096