modules.d/98systemd/dracut-mount.sh

   1 #!/bin/sh
   2 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
   3 # ex: ts=8 sw=4 sts=4 et filetype=sh
   4 export DRACUT_SYSTEMD=1
   5 if [ -f /dracut-state.sh ]; then
   6     . /dracut-state.sh 2>/dev/null
   7 fi
   8 type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
   9
  10 source_conf /etc/conf.d
  11
  12 make_trace_mem "hook mount" '1:shortmem' '2+:mem' '3+:slab'
  13
  14 getarg 'rd.break=mount' -d 'rdbreak=mount' && emergency_shell -n mount "Break mount"
  15 # mount scripts actually try to mount the root filesystem, and may
  16 # be sourced any number of times. As soon as one suceeds, no more are sourced.
  17 i=0
  18 while :; do
  19     if ismounted "$NEWROOT"; then
  20         usable_root "$NEWROOT" && break;
  21         umount "$NEWROOT"
  22     fi
  23     for f in $hookdir/mount/*.sh; do
  24         [ -f "$f" ] && . "$f"
  25         if ismounted "$NEWROOT"; then
  26             usable_root "$NEWROOT" && break;
  27             warn "$NEWROOT has no proper rootfs layout, ignoring and removing offending mount hook"
  28             umount "$NEWROOT"
  29             rm -f "$f"
  30         fi
  31     done
  32
  33     i=$(($i+1))
  34     [ $i -gt 20 ] && action_on_fail "Can't mount root filesystem" && break
  35 done
  36
  37 export -p > /dracut-state.sh
  38
  39 exit 0