modules.d/95rootfs-block/module-setup.sh

   1 #!/bin/bash
   2
   3 # called by dracut
   4 check() {
   5     return 0
   6 }
   7
   8 # called by dracut
   9 depends() {
  10     echo fs-lib
  11 }
  12
  13 cmdline_journal() {
  14     if [[ $hostonly ]]; then
  15         for dev in "${!host_fs_types[@]}"; do
  16             [[ ${host_fs_types[$dev]} = "reiserfs" ]] || [[ ${host_fs_types[$dev]} = "xfs" ]] || continue
  17             rootopts=$(find_dev_fsopts "$dev")
  18             if [[ ${host_fs_types[$dev]} = "reiserfs" ]]; then
  19                 journaldev=$(fs_get_option $rootopts "jdev")
  20             elif [[ ${host_fs_types[$dev]} = "xfs" ]]; then
  21                 journaldev=$(fs_get_option $rootopts "logdev")
  22             fi
  23
  24             if [ -n "$journaldev" ]; then
  25                 printf " root.journaldev=%s" "$journaldev"
  26             fi
  27         done
  28     fi
  29     return 0
  30 }
  31
  32 cmdline_rootfs() {
  33     local _dev=/dev/block/$(find_root_block_device)
  34     local _fstype _flags _subvol
  35     if [ -e $_dev ]; then
  36         printf " root=%s" "$(shorten_persistent_dev "$(get_persistent_dev "$_dev")")"
  37         _fstype="$(find_mp_fstype /)"
  38         _flags="$(find_mp_fsopts /)"
  39         printf " rootfstype=%s" "$_fstype"
  40         if [[ $use_fstab != yes ]] && [[ $_fstype = btrfs ]]; then
  41             _subvol=$(findmnt -e -v -n -o FSROOT --target /) \
  42                 && _subvol=${_subvol#/}
  43             _flags="$_flags,${_subvol:+subvol=$_subvol}"
  44         fi
  45         printf " rootflags=%s" "${_flags#,}"
  46     fi
  47 }
  48
  49 # called by dracut
  50 cmdline() {
  51     cmdline_rootfs
  52     cmdline_journal
  53 }
  54
  55 # called by dracut
  56 install() {
  57     if [[ $hostonly_cmdline == "yes" ]]; then
  58         local _journaldev=$(cmdline_journal)
  59         [[ $_journaldev ]] && printf "%s\n" "$_journaldev" >> "${initdir}/etc/cmdline.d/95root-journaldev.conf"
  60         local _rootdev=$(cmdline_rootfs)
  61         [[ $_rootdev ]] && printf "%s\n" "$_rootdev" >> "${initdir}/etc/cmdline.d/95root-dev.conf"
  62     fi
  63
  64     inst_multiple umount
  65     inst_multiple tr
  66     if ! dracut_module_included "systemd"; then
  67         inst_hook cmdline 95 "$moddir/parse-block.sh"
  68         inst_hook pre-udev 30 "$moddir/block-genrules.sh"
  69         inst_hook mount 99 "$moddir/mount-root.sh"
  70     fi
  71
  72     inst_hook initqueue/timeout 99 "$moddir/rootfallback.sh"
  73 }