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From 34203d03c0d43aa0aed12988d2719455e80eae54 Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Fri, 3 Jul 2015 13:52:32 +0200
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Subject: [PATCH] fcoe/fcoe-edd.sh: cleanup the script
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- check if modprobe was successful
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- add a timeout for /sys/firmware/edd
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- only remove the module, if it was loaded by the script
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---
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modules.d/95fcoe/fcoe-edd.sh | 46 ++++++++++++++++++++++++++++++--------------
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1 file changed, 32 insertions(+), 14 deletions(-)
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diff --git a/modules.d/95fcoe/fcoe-edd.sh b/modules.d/95fcoe/fcoe-edd.sh
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index d0ea60d..8607b56 100755
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--- a/modules.d/95fcoe/fcoe-edd.sh
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+++ b/modules.d/95fcoe/fcoe-edd.sh
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@@ -2,37 +2,55 @@
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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# ex: ts=8 sw=4 sts=4 et filetype=sh
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-dcb=$1
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+dcb="$1"
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-if ! [ -d /sys/firmware/edd ]; then
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- modprobe edd
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- while ! [ -d /sys/firmware/edd ]; do sleep 0.1; done
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-fi
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+_modprobe_r_edd="0"
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+
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+check_edd() {
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+ local cnt=0
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+
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+ [ -d /sys/firmware/edd ] && return 0
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+
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+ _modprobe_r_edd="1"
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+ modprobe edd || return $?
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+
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+ while [ $cnt -lt 600 ]; do
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+ [ -d /sys/firmware/edd ] && return 0
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+ cnt=$(($cnt+1))
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+ sleep 0.1
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+ done
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+ return 1
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+}
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+
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+check_edd || exit 1
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for disk in /sys/firmware/edd/int13_*; do
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- [ -d $disk ] || continue
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- if [ -e ${disk}/pci_dev/driver ]; then
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- driver=`readlink ${disk}/pci_dev/driver`
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+ [ -d "$disk" ] || continue
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+ if [ -e "${disk}/pci_dev/driver" ]; then
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+ driver=$(readlink "${disk}/pci_dev/driver")
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driver=${driver##*/}
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fi
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# i40e uses dev_port 1 for a virtual fcoe function
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if [ "${driver}" == "i40e" ]; then
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dev_port=1
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fi
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- for nic in ${disk}/pci_dev/net/*; do
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- [ -d $nic ] || continue
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- if [ -n "${dev_port}" -a -e ${nic}/dev_port ]; then
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- if [ `cat ${nic}/dev_port` -ne ${dev_port} ]; then
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+ for nic in "${disk}"/pci_dev/net/*; do
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+ [ -d "$nic" ] || continue
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+ if [ -n "${dev_port}" -a -e "${nic}/dev_port" ]; then
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+ if [ "$(cat ${nic}/dev_port)" -ne "${dev_port}" ]; then
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continue
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fi
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fi
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if [ -e ${nic}/address ]; then
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fcoe_interface=${nic##*/}
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if ! [ -e "/tmp/.fcoe-$fcoe_interface" ]; then
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- /sbin/fcoe-up $fcoe_interface $dcb
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+ /sbin/fcoe-up "$fcoe_interface" "$dcb"
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> "/tmp/.fcoe-$fcoe_interface"
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fi
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fi
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done
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done
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-modprobe -r edd
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+
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+[ "$_modprobe_r_edd" = "1" ] && modprobe -r edd
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+
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+unset _modprobe_r_edd
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