blob: bd7134a9ad2e0b6ea715a40fc8f6da32c55d9842 (
plain)
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
|
#!/bin/sh
_remove_dm() {
local dev="$1"
local s
local devname
for s in /sys/block/"${dev}"/holders/dm-*; do
[ -e "${s}" ] || continue
_remove_dm "${s##*/}"
done
# multipath devices might have MD devices on top,
# which are removed after this script. So do not
# remove those to avoid spurious errors
case $(cat /sys/block/"${dev}"/dm/uuid) in
mpath-*)
return 0
;;
*)
read -r devname < /sys/block/"${dev}"/dm/name
dmsetup -v --noudevsync remove "$devname" || return $?
;;
esac
return 0
}
_do_dm_shutdown() {
local ret=0
local final="$1"
local dev
info "Disassembling device-mapper devices"
for dev in /sys/block/dm-*; do
[ -e "${dev}" ] || continue
if [ "x$final" != "x" ]; then
_remove_dm "${dev##*/}" || ret=$?
else
_remove_dm "${dev##*/}" > /dev/null 2>&1 || ret=$?
fi
done
if [ "x$final" != "x" ]; then
info "dmsetup ls --tree"
dmsetup ls --tree 2>&1 | vinfo
fi
return $ret
}
if command -v dmsetup > /dev/null \
&& [ "x$(dmsetup status)" != "xNo devices found" ]; then
_do_dm_shutdown "$1"
else
:
fi
|
