# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation version 2 of the License.
-#
-# to be called from a udev rule to return the name for a symlink
-# DEVPATH=<devpath>; path_id
-# path_id <devpath>
-
-# examples for all block devices on a system:
-# for i in `find /sys/class/block`; do DEVPATH="`echo $i | sed -e 's@^/sys\|/dev@@g'`"; path_id; done
SYSFS=/sys
RESULT=1
DEV=${PWD}
pci_id=${DEV##*/}
host_dev_path=$DEV
+
+ # cciss devices don't have a separate sysfs node
+ for blk_link in block*; do
+ if [ -L "$blk_link" ]; then
+ case "$blk_link" in
+ *cciss*)
+ d=cciss-${blk_link#*cciss\!}
+ ;;
+ esac
+ fi
+ done
while [ ! -z "$host_dev_path" ] ; do
case "$host_dev_path" in
*/pci[0-9]*)
;;
esac
done
- d="pci-$pci_id-$d"
+ if [ "$d" ]; then
+ d="pci-$pci_id-$d"
+ else
+ d="pci-$pci_id"
+ fi
D="$host_dev_path"
RESULT=0
}
local iscsi_session_dir
local iscsi_session iscsi_session_path
local iscsi_connection iscsi_connection_path
+ local iscsi_scsi_lun
# iSCSI device
iscsi_session_dir="${DEV%%/target*}"
iscsi_session="${iscsi_session_dir##*/}"
if [ -e "${iscsi_connection_path}/persistent_port" ] ; then
read iscsi_port < ${iscsi_connection_path}/persistent_port
fi
- d="ip-${iscsi_address}:${iscsi_port}-iscsi-${iscsi_tgtname}"
+ iscsi_scsi_lun="${DEV##*:}"
+ d="ip-${iscsi_address}:${iscsi_port}-iscsi-${iscsi_tgtname}-lun-${iscsi_scsi_lun}"
RESULT=0
}
full_sysfs_path="$SYSFS$DEVPATH"
case "$DEVPATH" in
/devices/*)
- # new sysfs layout
+ full_sysfs_path="${full_sysfs_path%/*}"
+ # skip parent device of the same subsystem
if [ -L $full_sysfs_path/subsystem ]; then
- full_sysfs_path="${full_sysfs_path%/*}"
cd "$full_sysfs_path/subsystem";
subsys="`pwd -P`"
cd "$OPWD"
subsys="${subsys##*/}"
- if [ "$subsys" = "block" ]; then
- # parent is "block", it's a partition, move one up
- full_sysfs_path="${full_sysfs_path%/*}"
+ if [ "$subsys" = "$TYPE" ]; then
+ : skip same subsystem parent
+ full_sysfs_path="${full_sysfs_path%/*}"
fi
- cd $full_sysfs_path
fi
+ # skip subsystem directory
+ subsys="${full_sysfs_path##*/}"
+ if [ "$subsys" = "$TYPE" ]; then
+ : skip subsystem directory
+ full_sysfs_path="${full_sysfs_path%/*}"
+ fi
+ cd $full_sysfs_path
;;
*)
# old sysfs layout
- if [ ! -L $full_sysfs_path/device ] ; then
- if [ -f $full_sysfs_path/range ] ; then return ; fi
+ if [ ! -L $full_sysfs_path/device ]; then
full_sysfs_path="${full_sysfs_path%/*}"
: full_sysfs_path "$full_sysfs_path"
- if [ ! -L $full_sysfs_path/device -o ! -f $full_sysfs_path/dev ] ; then
+ if [ ! -L $full_sysfs_path/device -o ! -f $full_sysfs_path/dev ]; then
return
fi
fi
- cd $full_sysfs_path/device
+ if [ -L $full_sysfs_path/device/device ]; then
+ cd $full_sysfs_path/device/device
+ else
+ cd $full_sysfs_path/device
+ fi
;;
esac
full_sysfs_device_path="`pwd -P`"
cd "$OPWD"
+
D=$full_sysfs_device_path
while [ ! -z "$D" ] ; do
case "$D" in
;;
*)
mode=""
- ;;
+ ;;
esac
if [ "$d" ]; then
d="$d-${rewind}st${mode}"
fi
}
-case "$TYPE" in
- block)
- handle_device
- echo "ID_PATH=$d"
- ;;
- scsi_tape)
- handle_device
- echo "ID_PATH=$d"
- ;;
- input)
- handle_device
- echo "ID_PATH=$d"
- ;;
- *)
- RESULT=1
- ;;
-esac
-
-exit $RESULT
+handle_device
+if [ -z "$d" ]; then
+ exit 1
+fi
+echo "ID_PATH=$d"
+exit 0