mirror of
https://salsa.debian.org/kernel-team/initramfs-tools.git
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c4343742b3
* kick mdrun script * update control for lenny + ubuntu * add _all_ ide, block and drivers * use MODPROBE_OPTIONS and kill any modprobed arg * small doc + whitespace fixes
107 lines
2.4 KiB
Bash
107 lines
2.4 KiB
Bash
# NFS filesystem mounting -*- shell-script -*-
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# FIXME This needs error checking
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retry_nr=0
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# parse nfs bootargs + launch ipconfig and nfsmount
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do_nfsmount()
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{
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# support ip options see linux sources Documentation/nfsroot.txt
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case ${IPOPTS} in
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none|off)
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# Do nothing
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;;
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""|on|any)
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# Bring up device
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ipconfig ${DEVICE}
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;;
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dhcp|bootp|rarp|both)
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ipconfig -c ${IPOPTS} -d ${DEVICE}
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;;
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*)
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ipconfig -d $IPOPTS
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# grab device entry from ip option
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NEW_DEVICE=${IPOPTS#*:*:*:*:*:*}
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if [ "${NEW_DEVICE}" != "${IPOPTS}" ]; then
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NEW_DEVICE=${NEW_DEVICE%:*}
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else
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# wrong parse, possibly only a partial string
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NEW_DEVICE=
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fi
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if [ -n "${NEW_DEVICE}" ]; then
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DEVICE="${NEW_DEVICE}"
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fi
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;;
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esac
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# source relevant ipconfig output
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. /tmp/net-${DEVICE}.conf
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# get nfs root from dhcp
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if [ "x${NFSROOT}" = "xauto" ]; then
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NFSROOT=${ROOTSERVER}:${ROOTPATH}
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# nfsroot=[<server-ip>:]<root-dir>[,<nfs-options>]
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elif [ -n "${NFSROOT}" ]; then
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# nfs options are an optional arg
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if [ "${NFSROOT#*,}" != "${NFSROOT}" ]; then
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NFSOPTS="-o ${NFSROOT#*,}"
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fi
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NFSROOT=${NFSROOT%%,*}
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if [ "${NFSROOT#*:}" = "$NFSROOT" ]; then
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NFSROOT=${ROOTSERVER}:${NFSROOT}
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fi
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fi
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if [ -z "${NFSOPTS}" ]; then
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NFSOPTS="-o retrans=10"
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fi
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[ "$quiet" != "y" ] && log_begin_msg "Running /scripts/nfs-premount"
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run_scripts /scripts/nfs-premount
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[ "$quiet" != "y" ] && log_end_msg
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if [ ${readonly} = y ]; then
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roflag="-o ro"
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else
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roflag="-o rw"
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fi
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nfsmount -o nolock ${roflag} ${NFSOPTS} ${NFSROOT} ${rootmnt}
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}
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# NFS root mounting
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mountroot()
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{
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[ "$quiet" != "y" ] && log_begin_msg "Running /scripts/nfs-top"
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run_scripts /scripts/nfs-top
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[ "$quiet" != "y" ] && log_end_msg
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modprobe nfs
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# For DHCP
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modprobe af_packet
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# Default delay is around 180s
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# FIXME: add usplash_write info
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if [ -z "${ROOTDELAY}" ]; then
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delay=180
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else
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delay=${ROOTDELAY}
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fi
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# loop until nfsmount succeds
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while [ ${retry_nr} -lt ${delay} ] && [ ! -e ${rootmnt}${init} ]; do
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[ ${retry_nr} -gt 0 ] && \
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[ "$quiet" != "y" ] && log_begin_msg "Retrying nfs mount"
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do_nfsmount
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retry_nr=$(( ${retry_nr} + 1 ))
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[ ! -e ${rootmnt}${init} ] && /bin/sleep 1
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[ ${retry_nr} -gt 0 ] && [ "$quiet" != "y" ] && log_end_msg
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done
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[ "$quiet" != "y" ] && log_begin_msg "Running /scripts/nfs-bottom"
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run_scripts /scripts/nfs-bottom
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[ "$quiet" != "y" ] && log_end_msg
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}
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