rear/SOURCES/rear-bz1672938.patch
2021-09-10 03:49:05 +00:00

95 lines
3.6 KiB
Diff

diff --git a/usr/share/rear/lib/layout-functions.sh b/usr/share/rear/lib/layout-functions.sh
index aa6fc938..4bc59131 100644
--- a/usr/share/rear/lib/layout-functions.sh
+++ b/usr/share/rear/lib/layout-functions.sh
@@ -478,6 +478,9 @@ get_sysfs_name() {
### /dev/dm-3 -> /dev/mapper/system-tmp
### /dev/dm-4 -> /dev/mapper/oralun
### /dev/dm-5 -> /dev/mapper/oralunp1
+### /dev/sda -> /dev/sda
+###
+### Returns 0 on success, 1 if device is not existing
get_device_name() {
### strip common prefixes
local name=${1#/dev/}
@@ -485,47 +488,39 @@ get_device_name() {
contains_visible_char "$name" || BugError "Empty string passed to get_device_name"
- ### Translate dm-8 -> mapper/test
- local device dev_number mapper_number
- if [[ -d /sys/block/$name ]] ; then
+ if [[ "$name" =~ ^mapper/ ]]; then
+ echo "/dev/$name"
+ return 0
+ fi
+
+ if [[ -L "/dev/$name" ]] ; then
+ # Map vg/lv into dm-X, which will then be resolved later
+ name="$( basename $(readlink -f /dev/$name) )"
+ fi
+
+ if [[ "$name" =~ ^dm- ]] ; then
+ local device
if [[ -r /sys/block/$name/dm/name ]] ; then
### recent kernels have a dm subfolder
- echo "/dev/mapper/$( < /sys/block/$name/dm/name)";
- return 0
+ device="$( < /sys/block/$name/dm/name )"
else
- ### loop over all block devices
- dev_number=$( < /sys/block/$name/dev)
- for device in /dev/mapper/* ; do
- mapper_number=$(dmsetup info -c --noheadings -o major,minor ${device#/dev/mapper/} 2>/dev/null )
- if [ "$dev_number" = "$mapper_number" ] ; then
- echo "$device"
- return 0
- fi
- done
+ local dev_number=$( < /sys/block/$name/dev)
+ if [[ ! -r "$TMP_DIR/dmsetup_info.txt" ]] ; then
+ dmsetup info --noheadings -c -o name,major,minor > "$TMP_DIR/dmsetup_info.txt"
+ fi
+ device="$( awk -F ':' "/$dev_number\$/ { print \$1 }" < "$TMP_DIR/dmsetup_info.txt" )"
+ [[ -n "$device" ]] || BugError "No device returned for major/minor $dev_number"
fi
- fi
-
- ### Translate device name to mapper name. ex: vg/lv -> mapper/vg-lv
- if [[ "$name" =~ ^mapper/ ]]; then
- echo "/dev/$name"
+ echo "/dev/mapper/$device"
return 0
fi
- if my_dm=`readlink /dev/$name`; then
- for mapper_dev in /dev/mapper/*; do
- if mapper_dm=`readlink $mapper_dev`; then
- if [ "$my_dm" = "$mapper_dm" ]; then
- echo $mapper_dev
- return 0
- fi
- fi
- done
- fi
### handle cciss sysfs naming
name=${name//!//}
### just return the possibly nonexisting name
echo "/dev/$name"
+ [[ -r "/dev/$name" ]] && return 0
return 1
}
diff --git a/usr/share/rear/rescue/GNU/Linux/270_fc_transport_info.sh b/usr/share/rear/rescue/GNU/Linux/270_fc_transport_info.sh
index 0de4f60b..64276dfe 100644
--- a/usr/share/rear/rescue/GNU/Linux/270_fc_transport_info.sh
+++ b/usr/share/rear/rescue/GNU/Linux/270_fc_transport_info.sh
@@ -1,3 +1,6 @@
+# don't collect this anymore, this can be very slow
+return 0
+
# collect output from production SAN disks
find /sys/class/fc_transport -follow -maxdepth 6 \( -name model -o -name vendor -o -name rev -name state -o -name model_name -o -name size -o -name node_name \) 2>/dev/null| egrep -v 'driver|rport|power|drivers|devices' | xargs grep '.' > $VAR_DIR/recovery/fc_transport.info >&2