/usr/lib/dracut/modules.d/95iscsi/module-setup.sh is in dracut-network 040+1-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | #!/bin/bash
# called by dracut
check() {
local _rootdev
# If our prerequisites are not met, fail anyways.
require_binaries iscsistart hostname iscsi-iname || return 1
# If hostonly was requested, fail the check if we are not actually
# booting from root.
is_iscsi() {
local _dev=$1
[[ -L "/sys/dev/block/$_dev" ]] || return
cd "$(readlink -f "/sys/dev/block/$_dev")"
until [[ -d sys || -d iscsi_session ]]; do
cd ..
done
[[ -d iscsi_session ]]
}
[[ $hostonly ]] || [[ $mount_needs ]] && {
pushd . >/dev/null
for_each_host_dev_and_slaves is_iscsi || return 255
popd >/dev/null
}
return 0
}
# called by dracut
depends() {
echo network rootfs-block
}
# called by dracut
installkernel() {
local _arch=$(uname -m)
instmods bnx2i qla4xxx cxgb3i cxgb4i be2iscsi
hostonly="" instmods iscsi_tcp iscsi_ibft crc32c iscsi_boot_sysfs
iscsi_module_filter() {
local _funcs='iscsi_register_transport'
# subfunctions inherit following FDs
local _merge=8 _side2=9
function bmf1() {
local _f
while read _f; do
case "$_f" in
*.ko) [[ $(< $_f) =~ $_funcs ]] && echo "$_f" ;;
*.ko.gz) [[ $(gzip -dc <$_f) =~ $_funcs ]] && echo "$_f" ;;
*.ko.xz) [[ $(xz -dc <$_f) =~ $_funcs ]] && echo "$_f" ;;
esac
done
return 0
}
function rotor() {
local _f1 _f2
while read _f1; do
echo "$_f1"
if read _f2; then
echo "$_f2" 1>&${_side2}
fi
done | bmf1 1>&${_merge}
return 0
}
# Use two parallel streams to filter alternating modules.
set +x
eval "( ( rotor ) ${_side2}>&1 | bmf1 ) ${_merge}>&1"
[[ $debug ]] && set -x
return 0
}
{ find_kernel_modules_by_path drivers/scsi; if [ "$_arch" = "s390" -o "$_arch" = "s390x" ]; then find_kernel_modules_by_path drivers/s390/scsi; fi;} \
| iscsi_module_filter | instmods
}
# called by dracut
install() {
inst_multiple umount iscsistart hostname iscsi-iname
inst_multiple -o iscsiuio
inst_hook cmdline 90 "$moddir/parse-iscsiroot.sh"
inst_hook cleanup 90 "$moddir/cleanup-iscsi.sh"
inst "$moddir/iscsiroot.sh" "/sbin/iscsiroot"
if ! dracut_module_included "systemd"; then
inst "$moddir/mount-lun.sh" "/bin/mount-lun.sh"
fi
dracut_need_initqueue
}
|