package/block-mount/files/mount.sh

   1 #!/bin/sh
   2 # Copyright 2010 Vertical Communications
   3 # This is free software, licensed under the GNU General Public License v2.
   4 # See /LICENSE for more information.
   5 #
   6
   7
   8 pi_include /lib/functions/block.sh
   9 pi_include /lib/functions/fsck.sh
  10
  11 config_mount_by_section() {
  12         local cfg="$1"
  13         local find_rootfs="$2"
  14
  15         mount_cb() {
  16                 local cfg="$1"
  17                 local device="$2"
  18                 shift
  19                 local target="$2"
  20                 local cfgdevice="$3"
  21                 local fstype="$4"
  22                 local options="$5"
  23                 local enabled="$6"
  24                 local enabled_fsck="$7"
  25                 local uuid="$8"
  26                 local label="$9"
  27                 shift
  28                 local is_rootfs="$9"
  29                 shift
  30                 local found_device=""
  31
  32                 found_device="$(libmount_find_device_by_id "$uuid" "$label" "$device" "$cfgdevice")"
  33                 if [ -n "$found_device" ]; then
  34                         if [ "$find_rootfs" != "1" ] || ( [ "$is_rootfs" -eq 1 ] || [ "$target" = "/" ] || [ "$target" = "/overlay" ] ); then
  35                                 [ "$enabled_fsck" -eq 1 ] && {
  36                                         grep -q "$found_device" /proc/swaps || grep -q "$found_device" /proc/mounts || {
  37                                                 libmount_fsck "$found_device" "$fstype" "$enabled_fsck"
  38                                         }
  39                                 }
  40
  41                                 if [ "$find_rootfs" = "1" ]; then
  42                                     if [ "$is_rootfs" -eq 1 ]; then
  43                                         target=/overlay
  44                                     elif [ "$target" = "/" ]; then
  45                                         target=/rom
  46                                     fi
  47                                 else
  48                                     if [ "$is_rootfs" -eq 1 ] || [ "$target" = "/overlay" ]; then
  49                                         target=/tmp/overlay-disabled
  50                                     elif [ "$target" = "/" ] || [ "$target" = "/rom" ]; then
  51                                         target="/tmp/whole_root-disabled"
  52                                     fi
  53                                 fi
  54
  55                                 config_create_mount_fstab_entry "$found_device" "$target" "$fstype" "$options" "$enabled"
  56                                 grep -q "$found_device" /proc/swaps || grep -q "$found_device" /proc/mounts || {
  57                                         [ "$enabled" -eq 1 ] && mkdir -p "$target" && mount "$target" 2>&1 | tee /proc/self/fd/2 | logger -t 'fstab'
  58                                 }
  59
  60                         fi
  61                 fi
  62                 [ "$find_rootfs" = "1" ] && {
  63                     [ "$target" = "/overlay" ] && {
  64                         rootfs_found=1
  65                     }
  66                     [ "$target" = "/rom" ] && {
  67                         rootfs_found=1
  68                     }
  69                 }
  70                 return 0
  71         }
  72         config_get_mount "$cfg"
  73         reset_block_cb
  74 }
  75
  76 config_swapon_by_section() {
  77         local cfg="$1"
  78
  79         swap_cb() {
  80                 local cfg="$1"
  81                 local device="$2"
  82                 local cfgdevice="$3"
  83                 local enabled="$4"
  84                 local uuid="$5"
  85                 local label="$6"
  86                 local uuid
  87                 local label
  88
  89                 local found_device=""
  90
  91                 found_device="$(libmount_find_device_by_id "$uuid" "$label" "$device" "$cfgdevice")"
  92
  93                 if [ -n "$found_device" ]; then
  94                         config_create_swap_fstab_entry "$found_device" "$enabled"
  95                         grep -q "$found_device" /proc/swaps || grep -q "$found_device" /proc/mounts || {
  96                                 [ "$enabled" -eq 1 ] && swapon "$found_device" | tee /proc/self/fd/2 | logger -t         'fstab'
  97                         }
  98                 fi
  99                 return 0
 100         }
 101         config_get_swap "$cfg"
 102         reset_block_cb
 103 }