mini2440/qemu-local-img-mount.sh

   1 #!/bin/bash
   2
   3 # Mount a local .img qemi file on the local host via the new qemu-nbd
   4 # The syntax specify the file, the mount point, and the partition
   5
   6 # example:
   7 # sudo ./mini2440/qemu-local-img-mount.sh mini2440/emdebian_1GB.img /mnt/arm p2
   8 #
   9 # Mounting mini2440/emdebian_1GB.img - /dev/mapper/nbd1p2 to /mnt/arm
  10 # /dev/mapper/nbd1p2      903024    225196    631848  27% /mnt/arm
  11 # ...
  12 # umount /mnt/arm
  13 # ./qemu-nbd -d /dev/nbd1
  14 #
  15
  16 if [ ! -f $1 -o ! -d $2 ]; then
  17         echo "$0 <image filename> <mount point> [pX]"
  18         exit 1
  19 fi
  20
  21 nbd=nbd1
  22
  23 modprobe nbd
  24
  25 ./qemu-nbd -c /dev/$nbd $1
  26 kpartx -a /dev/$nbd
  27
  28 if [ -b "/dev/mapper/${nbd}$3" ]; then
  29         part="/dev/mapper/${nbd}$3"
  30 else
  31         part="/dev/mapper/${nbd}p1"
  32 fi
  33
  34 echo Mounting $1 - $part to $2
  35
  36 #ls -l /dev/mapper/${nbd}*
  37
  38 mount $part $2
  39
  40 df -h|grep $part