mirror of
https://github.com/torvalds/linux.git
synced 2026-04-18 14:53:58 -04:00
92734a4f3a
Add _ublk_del_dev() to delete a specific ublk device by ID and use it in all test scripts instead of calling UBLK_PROG directly. Also remove unused _remove_ublk_devices() function. Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
57 lines
1.4 KiB
Bash
Executable File
57 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
|
|
. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
|
|
|
|
ERR_CODE=0
|
|
|
|
_prep_test "null" "stop --safe command"
|
|
|
|
# Check if SAFE_STOP_DEV feature is supported
|
|
if ! _have_feature "SAFE_STOP_DEV"; then
|
|
_cleanup_test "null"
|
|
exit "$UBLK_SKIP_CODE"
|
|
fi
|
|
|
|
# Test 1: stop --safe on idle device should succeed
|
|
dev_id=$(_add_ublk_dev -t null -q 2 -d 32)
|
|
_check_add_dev $TID $?
|
|
|
|
# Device is idle (no openers), stop --safe should succeed
|
|
if ! ${UBLK_PROG} stop -n "${dev_id}" --safe; then
|
|
echo "stop --safe on idle device failed unexpectedly!"
|
|
ERR_CODE=255
|
|
fi
|
|
|
|
# Clean up device
|
|
_ublk_del_dev "${dev_id}" > /dev/null 2>&1
|
|
udevadm settle
|
|
|
|
# Test 2: stop --safe on device with active opener should fail
|
|
dev_id=$(_add_ublk_dev -t null -q 2 -d 32)
|
|
_check_add_dev $TID $?
|
|
|
|
# Open device in background (dd reads indefinitely)
|
|
dd if=/dev/ublkb${dev_id} of=/dev/null bs=4k iflag=direct > /dev/null 2>&1 &
|
|
dd_pid=$!
|
|
|
|
# Give dd time to start
|
|
sleep 0.2
|
|
|
|
# Device has active opener, stop --safe should fail with -EBUSY
|
|
if ${UBLK_PROG} stop -n "${dev_id}" --safe 2>/dev/null; then
|
|
echo "stop --safe on busy device succeeded unexpectedly!"
|
|
ERR_CODE=255
|
|
fi
|
|
|
|
# Kill dd and clean up
|
|
kill $dd_pid 2>/dev/null
|
|
wait $dd_pid 2>/dev/null
|
|
|
|
# Now device should be idle, regular delete should work
|
|
_ublk_del_dev "${dev_id}"
|
|
udevadm settle
|
|
|
|
_cleanup_test "null"
|
|
_show_result $TID $ERR_CODE
|