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# NFS filesystem mounting -*- shell-script -*-
# FIXME This needs error checking
# Paramter: Where the root should be mounted
mountroot ()
{
[ "$quiet" != "y" ] && log_begin_msg "Running /scripts/nfs-top"
run_scripts /scripts/nfs-top
[ "$quiet" != "y" ] && log_end_msg
modprobe -q nfs
# For DHCP
modprobe -q af_packet
# support ip options see linux sources Documentation/nfsroot.txt
case ${IPOPTS} in
none|off)
# Do nothing
;;
""|on|any)
# Bring up device
ipconfig ${DEVICE}
;;
dhcp|bootb|rarp|both)
ipconfig -c ${IPOPTS} -d ${DEVICE}
;;
*)
ipconfig -d $IPOPTS
# grab device entry from full line
NEW_DEVICE=${IPOPTS#*:*:*:*:*:*}
NEW_DEVICE=${NEW_DEVICE%:*}
if [ -n "${NEW_DEVICE}" ]; then
DEVICE="${NEW_DEVICE}"
fi
# grab server-ip
SERVER_IP=${IPOPTS#*:}
SERVER_IP=${SERVER_IP%:*:*:*:*:*:*}
;;
esac
# FIXME: who writes that?
. /tmp/net-${DEVICE}.conf
# get nfs root from dhcp
if [ "x${NFSROOT}" = "xauto" ]; then
NFSROOT=${ROOTSERVER}:${ROOTPATH}
# nfsroot=[<server-ip>:]<root-dir>[,<nfs-options>]
elif [ -n "${NFSROOT}" ]; then
# nfs options are an optional arg
if [ "${NFSROOT#*,}" != "${NFSROOT}" ]; then
NFSOPTS="-o ${NFSROOT#*,}"
fi
NFSROOT=${NFSROOT%%,*}
# server-ip could be passed by ip
if [ "${NFSROOT#*:}" = "$NFSROOT" ]; then
if [ -n "${SERVER_IP}" ]; then
NFSROOT="${SERVER_IP}:${NFSROOT}"
else
NFSROOT=${ROOTSERVER}:${ROOTPATH}
fi
fi
fi
if [ -z "${NFSOPTS}" ]; then
NFSOPTS="-o retrans=10"
fi
[ "$quiet" != "y" ] && log_begin_msg "Running /scripts/nfs-premount"
run_scripts /scripts/nfs-premount
[ "$quiet" != "y" ] && log_end_msg
if [ ${readonly} = y ]; then
roflag="-o ro"
else
roflag="-o rw"
fi
nfsmount -o nolock ${roflag} ${NFSOPTS} ${NFSROOT} ${rootmnt}
[ "$quiet" != "y" ] && log_begin_msg "Running /scripts/nfs-bottom"
run_scripts /scripts/nfs-bottom
[ "$quiet" != "y" ] && log_end_msg
}
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