mirror of
https://gitlab.com/cryptsetup/cryptsetup.git
synced 2025-12-12 03:10:08 +01:00
83 lines
2.1 KiB
Bash
Executable File
83 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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CRYPTSETUP="../src/cryptsetup"
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DEV_NAME="discard-t3st"
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DEV=""
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PWD1="93R4P4pIqAH8"
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cleanup() {
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[ -b /dev/mapper/$DEV_NAME ] && dmsetup remove $DEV_NAME
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udevadm settle >/dev/null 2>&1
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rmmod scsi_debug 2>/dev/null
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sleep 2
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}
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fail()
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{
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echo "FAILED"
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cleanup
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exit 100
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}
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add_device() {
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modprobe scsi_debug $@
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if [ $? -ne 0 ] ; then
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echo "This kernel seems to not support proper scsi_debug module, test skipped."
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exit 0
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fi
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sleep 2
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DEV=$(grep scsi_debug /sys/block/*/device/model | cut -f4 -d /)
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DEV="/dev/$DEV"
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[ -b $DEV ] || fail "Cannot find $DEV."
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}
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function check_version()
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{
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VER_STR=$(dmsetup targets | grep crypt | cut -f 2 -dv)
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VER_MAJ=$(echo $VER_STR | cut -f 1 -d.)
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VER_MIN=$(echo $VER_STR | cut -f 2 -d.)
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# option supported in 1.11
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test $VER_MAJ -gt 1 && return 0
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test $VER_MIN -ge 11 && return 0
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return 1
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}
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if [ $(id -u) != 0 ]; then
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echo "WARNING: You must be root to run this test, test skipped."
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exit 0
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fi
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modprobe --dry-run scsi_debug || exit 0
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modprobe dm-crypt >/dev/null 2>&1
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if ! check_version ; then
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echo "Probably old kernel, test skipped."
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exit 0
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fi
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add_device dev_size_mb=16 sector_size=512 num_tgts=1 lbpu=1
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# FIXME test hash of device (unmap -> zero)
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# for now just check that flag is enabled
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echo "[1] Allowing discards for LUKS device"
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echo $PWD1 | $CRYPTSETUP luksFormat $DEV -q -i1 || fail
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echo $PWD1 | $CRYPTSETUP luksOpen $DEV $DEV_NAME --allow-discards || fail
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$CRYPTSETUP status $DEV_NAME | grep flags | grep discards >/dev/null || fail
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$CRYPTSETUP resize $DEV_NAME --size 100 || fail
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$CRYPTSETUP status $DEV_NAME | grep flags | grep discards >/dev/null || fail
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dmsetup table $DEV_NAME | grep allow_discards >/dev/null || fail
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$CRYPTSETUP luksClose $DEV_NAME || fail
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echo "[2] Allowing discards for plain device"
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echo $PWD1 | $CRYPTSETUP create $DEV_NAME $DEV --hash sha1 --allow-discards || fail
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$CRYPTSETUP status $DEV_NAME | grep flags | grep discards >/dev/null || fail
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$CRYPTSETUP resize $DEV_NAME --size 100 || fail
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$CRYPTSETUP status $DEV_NAME | grep flags | grep discards >/dev/null || fail
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dmsetup table $DEV_NAME | grep allow_discards >/dev/null || fail
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$CRYPTSETUP remove $DEV_NAME || fail
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cleanup
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