lfs-book-zh_CN/bootscripts/lfs/init.d/mountfs

#!/bin/sh
########################################################################
# Begin mountfs
#
# Description : File System Mount Script
#
# Authors     : Gerard Beekmans - gerard@linuxfromscratch.org
#               DJ Lucas - dj@linuxfromscratch.org
# Update      : Bruce Dubbs - bdubbs@linuxfromscratch.org
#
# Version     : LFS 7.0
#
########################################################################

### BEGIN INIT INFO
# Provides:            $local_fs
# Required-Start:      udev checkfs
# Should-Start:
# Required-Stop:       swap
# Should-Stop:
# Default-Start:       S
# Default-Stop:        0 6
# Short-Description:   Mounts/unmounts local filesystems defined in /etc/fstab.
# Description:         Remounts root filesystem read/write and mounts all
#                      remaining local filesystems defined in /etc/fstab on
#                      start.  Remounts root filesystem read-only and unmounts
#                      remaining filesystems on stop.
# X-LFS-Provided-By:   LFS
### END INIT INFO

. /lib/lsb/init-functions

case "${1}" in
   start)
      log_info_msg "Remounting root file system in read-write mode..."
      mount --options remount,rw / >/dev/null
      evaluate_retval

      # Remove fsck-related file system watermarks.
      rm -f /fastboot /forcefsck

      # Make sure /dev/pts exists
      mkdir -p /dev/pts

      # This will mount all filesystems that do not have _netdev in
      # their option list.  _netdev denotes a network filesystem.

      log_info_msg "Mounting remaining file systems..."
      mount --all --test-opts no_netdev >/dev/null
      evaluate_retval
      exit $failed
      ;;

   stop)
      # Don't unmount virtual file systems like /run
      log_info_msg "Unmounting all other currently mounted file systems..."
      # Ensure any loop devies are removed
      losetup -D
      umount --all --detach-loop --read-only \
             --types notmpfs,nosysfs,nodevtmpfs,noproc,nodevpts >/dev/null
      evaluate_retval

      # Make sure / is mounted read only (umount bug)
      mount --options remount,ro /

      # Make all LVM volume groups unavailable, if appropriate
      # This fails if swap or / are on an LVM partition
      #if [ -x /sbin/vgchange ]; then /sbin/vgchange -an > /dev/null; fi
      ;;

   *)
      echo "Usage: ${0} {start|stop}"
      exit 1
      ;;
esac

# End mountfs