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- #!/bin/bash
- # SPDX-License-Identifier: GPL-2.0
- . "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
- ERR_CODE=0
- _prep_test "fault_inject" "fast cleanup when all I/Os of one hctx are in server"
- # configure ublk server to sleep 2s before completing each I/O
- dev_id=$(_add_ublk_dev -t fault_inject -q 2 -d 1 --delay_us 2000000)
- _check_add_dev $TID $?
- STARTTIME=${SECONDS}
- dd if=/dev/urandom of=/dev/ublkb${dev_id} oflag=direct bs=4k count=1 status=none > /dev/null 2>&1 &
- dd_pid=$!
- __ublk_kill_daemon ${dev_id} "DEAD" >/dev/null
- wait $dd_pid
- dd_exitcode=$?
- ENDTIME=${SECONDS}
- ELAPSED=$(($ENDTIME - $STARTTIME))
- # assert that dd sees an error and exits quickly after ublk server is
- # killed. previously this relied on seeing an I/O timeout and so would
- # take ~30s
- if [ $dd_exitcode -eq 0 ]; then
- echo "dd unexpectedly exited successfully!"
- ERR_CODE=255
- fi
- if [ $ELAPSED -ge 5 ]; then
- echo "dd took $ELAPSED seconds to exit (>= 5s tolerance)!"
- ERR_CODE=255
- fi
- _cleanup_test "fault_inject"
- _show_result $TID $ERR_CODE
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