release/doFS.sh

   1 :
   2 #set -ex
   3
   4 if [ "x$VNDEVICE" = "x" ] ; then
   5         VNDEVICE=vn0
   6 fi
   7 export BLOCKSIZE=512
   8
   9 RD=$1 ; shift
  10 MNT=$1 ; shift
  11 FSSIZE=$1 ; shift
  12 FSPROTO=$1 ; shift
  13 FSINODE=$1 ; shift
  14 FSLABEL=$1 ; shift
  15
  16 deadlock=20
  17
  18 while true
  19 do
  20         rm -f fs-image
  21
  22         if [ ! -b /dev/${VNDEVICE} -o ! -c /dev/r${VNDEVICE} ] ; then
  23                 ( cd /dev && sh MAKEDEV ${VNDEVICE} )
  24         fi
  25
  26         umount /dev/${VNDEVICE} 2>/dev/null || true
  27
  28         umount ${MNT} 2>/dev/null || true
  29
  30         vnconfig -u /dev/r${VNDEVICE} 2>/dev/null || true
  31
  32         dd of=fs-image if=/dev/zero count=${FSSIZE} bs=1k 2>/dev/null
  33         # this suppresses the `invalid primary partition table: no magic'
  34         awk 'BEGIN {printf "%c%c", 85, 170}' |\
  35             dd of=fs-image obs=1 seek=510 conv=notrunc 2>/dev/null
  36
  37         vnconfig -s labels -c /dev/r${VNDEVICE} fs-image
  38
  39         disklabel -Brw \
  40                 -b ${RD}/trees/bin/usr/mdec/fdboot \
  41                 -s ${RD}/trees/bin/usr/mdec/bootfd \
  42                 /dev/r${VNDEVICE} minimum
  43
  44         newfs -u 0 -t 0 -i ${FSINODE} -m 0 -T minimum -o space /dev/r${VNDEVICE}c
  45
  46         mount /dev/${VNDEVICE}c ${MNT}
  47
  48         ( set -e && cd ${FSPROTO} && find . -print | cpio -dump ${MNT} )
  49
  50         df -ki /mnt
  51
  52         set `df -ki /mnt | tail -1`
  53
  54         umount ${MNT}
  55
  56         fsck -p /dev/r${VNDEVICE}c < /dev/null
  57
  58         vnconfig -u /dev/r${VNDEVICE} 2>/dev/null || true
  59
  60         if [ $FSLABEL != "minimum" ] ; then
  61                 echo ${FSSIZE} > fs-image.size
  62                 break
  63         fi
  64
  65         echo ">>> Filesystem is ${FSSIZE} K, $4 left"
  66         echo ">>>     ${FSINODE} bytes/inode, $7 left"
  67         echo ">>>   `expr ${FSSIZE} \* 1024 / ${FSINODE}`"
  68         echo ${FSSIZE} > fs-image.size
  69         break;
  70 done