lfs-book-zh_CN/lsb-bootscripts/etc/init.d/checkfs

#!/bin/sh
# Begin $RC_BASE/init.d/checkfs

### BEGIN INIT INFO
# Provides:            checkfs
# Required-Start:      udev swap
# Should-Start:
# Required-Stop:
# Should-Stop:
# Default-Start:       S
# Default-Stop:
# Short-Description:   Checks local filesystems before mounting.
# Description:         Checks local filesystmes before mounting.
# X-LFS-Provided-By:   LFS
### END INIT INFO

. /lib/lsb/init-functions

case "${1}" in
    start)
        if [ -f /fastboot ]; then
            echo "${INFO}/fastboot found!"
            log_success_msg "Will not perform file system checks as requested."
            exit 0
        fi

        mount -n -o remount,ro / >/dev/null
        if [ ${?} -ne 0 ]
        then
            log_failure_msg "Mounting root file system in read-only mode"
            echo -e "${FAILURE}FAILURE:\n"
            echo -e -n "${FAILURE}Cannot check root filesystem because it "
            echo -e "${FAILURE}could not be mounted"
            echo -e "${FAILURE}in read-only mode.\n\n"
            echo -e -n "${FAILURE}After you press Enter, this system will be "
            echo -e "${FAILURE}halted and powered off.\n"
            echo -e "${INFO}Press enter to continue...${NORMAL}"
            $FAILURE_ACTION
            /etc/rc.d/init.d/halt stop
        fi

        if [ -f /forcefsck ]
        then
            echo "${INFO}/forcefsck found!"
            log_success_msg "${INFO}Forcing file system checks as requested."
            options="-f"
        else
            options=""
        fi

        # Note: -a option used to be -p; but this fails e.g.
        # on fsck.minix
        fsck ${options} -a -A -C -T
        error_value=${?}

        if [ "${error_value}" -eq 0 ]
        then
            log_success_msg "Checking file systems..."
        elif [ "${error_value}" -eq 1 ]
        then
            log_warning_msg "Checking file systems..."
            echo -e "${WARNING}WARNING:\n"
            echo -e "${WARNING}File system errors were found and have been"
            echo -e "${WARNING}corrected.  You may want to double-check that"
            echo -e "${WARNING}everything was fixed properly.${NORMAL}"
        elif [ "${error_value}" -eq 2 -o "${error_value}" -eq 3 ]; then
            log_warning_msg "Checking file systems..."
            echo -e "${WARNING}WARNING:\n"
            echo -e "${WARNING}File system errors were found and have been been"
            echo -e "${WARNING}corrected, but the nature of the errors require"
            echo -e "${WARNING}this system to be rebooted.\n"
            echo -e "After you press enter, this system will be rebooted.\n"
            echo -e "${INFO}Press Enter to continue...${NORMAL}"
            $FAILURE_ACTION
            reboot -f
        elif [ "${error_value}" -gt 3 -a "${error_value}" -lt 16 ]; then
            log_failure_msg "Checking file systems..."
            echo -e "${FAILURE}FAILURE:\n"
            echo -e "${FAILURE}File system errors were encountered that could"
            echo -e "${FAILURE}not be fixed automatically.  This system cannot"
            echo -e "${FAILURE}continue to boot and will therefore be halted"
            echo -e "${FAILURE}until those errors are fixed manually by a"
            echo -e "${FAILURE}System Administrator.\n"
            echo -e "${FAILURE}After you press Enter, this system will be"
            echo -e "${FAILURE}halted and powered off.\n"
            echo -e "${INFO}Press Enter to continue...${NORMAL}"
            $FAILURE_ACTION
            /etc/rc.d/init.d/halt stop
        elif [ "${error_value}" -ge 16 ]; then
            log_failure_msg "Checking file systems..."
            echo -e "${FAILURE}FAILURE:\n"
            echo -e "${FAILURE}Unexpected Failure running fsck.  Exited with error"
            echo -e "${FAILURE}code: ${error_value}.${NORMAL}"
            exit ${error_value}
        fi
        ;;
    *)
        echo "Usage: ${0} {start}"
        exit 1
        ;;
esac

# End $RC_BASE/init.d/checkfs