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         if [ "`uname -m`" = "alpha" ]; then
  40                 disklabel -Brw -b ${RD}/trees/bin/usr/mdec/boot1 \
  41                   /dev/r${VNDEVICE} ${FSLABEL}
  42         else
  43                 disklabel -Brw \
  44                   -b ${RD}/trees/bin/usr/mdec/fdboot \
  45                   -s ${RD}/trees/bin/usr/mdec/bootfd \
  46                   /dev/r${VNDEVICE} ${FSLABEL}
  47         fi
  48         newfs -u 0 -t 0 -i ${FSINODE} -m 0 -T ${FSLABEL} -o space /dev/r${VNDEVICE}c
  49
  50         mount /dev/${VNDEVICE}c ${MNT}
  51
  52         ( set -e && cd ${FSPROTO} && find . -print | cpio -dump ${MNT} )
  53
  54         df -ki /mnt
  55
  56         set `df -ki /mnt | tail -1`
  57
  58         umount ${MNT}
  59
  60         fsck -p /dev/r${VNDEVICE}c < /dev/null
  61
  62         vnconfig -u /dev/r${VNDEVICE} 2>/dev/null || true
  63
  64         if ! echo $FSLABEL | grep -q minimum; then
  65                 echo ${FSSIZE} > fs-image.size
  66                 break
  67         fi
  68
  69         echo ">>> Filesystem is ${FSSIZE} K, $4 left"
  70         echo ">>>     ${FSINODE} bytes/inode, $7 left"
  71         echo ">>>   `expr ${FSSIZE} \* 1024 / ${FSINODE}`"
  72         echo ${FSSIZE} > fs-image.size
  73         break;
  74 done