blob: 870f74da90b823d418be22b26fa26398dbf8d81f (
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
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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
#!/bin/bash
[ -z "$CRYPTSETUP_PATH" ] && CRYPTSETUP_PATH=".."
CRYPTSETUP=$CRYPTSETUP_PATH/cryptsetup
DEV_NAME="discard-t3st"
DEV=""
PWD1="93R4P4pIqAH8"
CRYPTSETUP_VALGRIND=../.libs/cryptsetup
CRYPTSETUP_LIB_VALGRIND=../.libs
cleanup() {
[ -b /dev/mapper/$DEV_NAME ] && dmsetup remove --retry $DEV_NAME
udevadm settle >/dev/null 2>&1
rmmod scsi_debug >/dev/null 2>&1
sleep 2
}
fail()
{
echo "FAILED backtrace:"
while caller $frame; do ((frame++)); done
cleanup
exit 100
}
skip()
{
[ -n "$1" ] && echo "$1"
exit 77
}
function valgrind_setup()
{
command -v valgrind >/dev/null || fail "Cannot find valgrind."
[ ! -f $CRYPTSETUP_VALGRIND ] && fail "Unable to get location of cryptsetup executable."
export LD_LIBRARY_PATH="$CRYPTSETUP_LIB_VALGRIND:$LD_LIBRARY_PATH"
}
function valgrind_run()
{
INFOSTRING="$(basename ${BASH_SOURCE[1]})-line-${BASH_LINENO[0]}" ./valg.sh ${CRYPTSETUP_VALGRIND} "$@"
}
add_device() {
rmmod scsi_debug >/dev/null 2>&1
if [ -d /sys/module/scsi_debug ] ; then
echo "Cannot use scsi_debug module (in use or compiled-in), test skipped."
exit 77
fi
modprobe scsi_debug $@ delay=0 >/dev/null 2>&1
if [ $? -ne 0 ] ; then
echo "This kernel seems to not support proper scsi_debug module, test skipped."
exit 77
fi
sleep 2
DEV=$(grep -l -e scsi_debug /sys/block/*/device/model | cut -f4 -d /)
DEV="/dev/$DEV"
[ -b $DEV ] || fail "Cannot find $DEV."
}
function check_version()
{
VER_STR=$(dmsetup targets | grep crypt | cut -f 2 -dv)
[ -z "$VER_STR" ] && fail "Failed to parse dm-crypt version."
VER_MAJ=$(echo $VER_STR | cut -f 1 -d.)
VER_MIN=$(echo $VER_STR | cut -f 2 -d.)
# option supported in 1.11
test $VER_MAJ -gt 1 && return 0
test $VER_MIN -ge 11 && return 0
return 1
}
[ ! -x "$CRYPTSETUP" ] && skip "Cannot find $CRYPTSETUP, test skipped."
[ -n "$VALG" ] && valgrind_setup && CRYPTSETUP=valgrind_run
if [ $(id -u) != 0 ]; then
echo "WARNING: You must be root to run this test, test skipped."
exit 77
fi
modprobe dm-crypt >/dev/null 2>&1
if ! check_version ; then
echo "Probably old kernel, test skipped."
exit 77
fi
add_device dev_size_mb=16 sector_size=512 num_tgts=1 lbpu=1
# FIXME test hash of device (unmap -> zero)
# for now just check that flag is enabled
echo "[1] Allowing discards for LUKS device"
echo $PWD1 | $CRYPTSETUP luksFormat --type luks1 $DEV -q -i1 || fail
echo $PWD1 | $CRYPTSETUP luksOpen $DEV $DEV_NAME --allow-discards || fail
$CRYPTSETUP status $DEV_NAME | grep flags | grep discards >/dev/null || fail
$CRYPTSETUP resize $DEV_NAME --size 100 || fail
$CRYPTSETUP status $DEV_NAME | grep flags | grep discards >/dev/null || fail
dmsetup table $DEV_NAME | grep allow_discards >/dev/null || fail
$CRYPTSETUP luksClose $DEV_NAME || fail
echo "[2] Allowing discards for plain device"
echo $PWD1 | $CRYPTSETUP create -q $DEV_NAME $DEV --hash sha256 --allow-discards || fail
$CRYPTSETUP status $DEV_NAME | grep flags | grep discards >/dev/null || fail
$CRYPTSETUP resize $DEV_NAME --size 100 || fail
$CRYPTSETUP status $DEV_NAME | grep flags | grep discards >/dev/null || fail
dmsetup table $DEV_NAME | grep allow_discards >/dev/null || fail
$CRYPTSETUP remove $DEV_NAME || fail
cleanup
|
