recipes/udev/udev-151/omap3-pandora/mount.sh

   1 #!/bin/sh
   2 #
   3 # Called from udev
   4 #
   5 # Attempt to mount any added block devices and remove any removed devices.
   6 #
   7
   8 MOUNT="/bin/mount"
   9 PMOUNT="/usr/bin/pmount"
  10 UMOUNT="/bin/umount"
  11 blkid="/usr/sbin/blkid"
  12 name="`basename "$DEVNAME"`"
  13 name2="`$blkid "$DEVNAME" -o value -s LABEL`"
  14
  15
  16 for line in `cat /etc/udev/mount.blacklist | grep -v ^#`
  17 do
  18         if ( echo "$DEVNAME" | grep -q "$line" )
  19         then
  20                 logger "udev/mount.sh" "[$DEVNAME] is blacklisted, ignoring"
  21                 exit 0
  22         fi
  23 done
  24
  25 automount() {
  26         if [ -n "$name2" ]
  27         then
  28                 c=1
  29                 while ( cat /proc/mounts | grep "/media/$name2" ); do
  30                         name2="$name2-$c"
  31                         c=$(expr $c + 1)
  32                 done
  33                 name="$name2"
  34         fi
  35         ! test -d "/media/$name" && mkdir -p "/media/$name"
  36
  37         if ! $MOUNT -t auto -o dirsync,noatime,umask=0 $DEVNAME "/media/$name" && ! $MOUNT -t auto -o dirsync,noatime $DEVNAME "/media/$name"
  38         then
  39                 #logger "mount.sh/automount" "$MOUNT -t auto $DEVNAME \"/media/$name\" failed!"
  40                 rm_dir "/media/$name"
  41         else
  42                 logger "mount.sh/automount" "Auto-mount of [/media/$name] successful"
  43                 touch "/tmp/.automount-$name"
  44         fi
  45 }
  46
  47 rm_dir() {
  48         # We do not want to rm -r populated directories
  49         if test "`find "$1" | wc -l | tr -d " "`" -lt 2 -a -d "$1"
  50         then
  51                 ! test -z "$1" && rm -r "$1"
  52         else
  53                 logger "mount.sh/automount" "Not removing non-empty directory [$1]"
  54         fi
  55 }
  56
  57 if [ "$ACTION" = "add" ] && [ -n "$DEVNAME" ]; then
  58         if [ -x "$PMOUNT" ]; then
  59                 $PMOUNT $DEVNAME 2> /dev/null
  60         elif [ -x $MOUNT ]; then
  61                 $MOUNT $DEVNAME 2> /dev/null
  62         fi
  63
  64         # If the device isn't mounted at this point, it isn't configured in fstab
  65         # 20061107: Small correction: The rootfs partition may be called just "rootfs" and not by
  66         #           its true device name so this would break. If the rootfs is mounted on two places
  67         #           during boot, it confuses the heck out of fsck. So Im auto-adding the root-partition
  68         #           to /etc/udev/mount.blacklist via postinst
  69
  70         cat /proc/mounts | awk '{print $1}' | grep -q "^$DEVNAME$" || automount
  71
  72 fi
  73
  74 if [ "$ACTION" = "remove" ] && [ -x "$UMOUNT" ] && [ -n "$DEVNAME" ]; then
  75         for mnt in `cat /proc/mounts | grep "$DEVNAME" | cut -f 2 -d " " `
  76         do
  77                 # 20100306: Remove the mount point forcibly (Lazy) as the user has already removed the device by the
  78                 # DJWillis: time this fires so any handles are bad anyway. This should stop 'stale' folders being
  79                 #           left around all the time.
  80                 $UMOUNT -l $mnt
  81         done
  82
  83         # Remove empty directories from auto-mounter
  84         test -e "/tmp/.automount-$name" && rm_dir "$mnt"
  85 fi