1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
5
6TID="generic_06"
7ERR_CODE=0
8
9_prep_test "fault_inject" "fast cleanup when all I/Os of one hctx are in server"
10
11# configure ublk server to sleep 2s before completing each I/O
12dev_id=$(_add_ublk_dev -t fault_inject -q 2 -d 1 --delay_us 2000000)
13_check_add_dev $TID $?
14
15STARTTIME=${SECONDS}
16
17dd if=/dev/urandom of=/dev/ublkb${dev_id} oflag=direct bs=4k count=1 status=none > /dev/null 2>&1 &
18dd_pid=$!
19
20__ublk_kill_daemon ${dev_id} "DEAD"
21
22wait $dd_pid
23dd_exitcode=$?
24
25ENDTIME=${SECONDS}
26ELAPSED=$(($ENDTIME - $STARTTIME))
27
28# assert that dd sees an error and exits quickly after ublk server is
29# killed. previously this relied on seeing an I/O timeout and so would
30# take ~30s
31if [ $dd_exitcode -eq 0 ]; then
32        echo "dd unexpectedly exited successfully!"
33        ERR_CODE=255
34fi
35if [ $ELAPSED -ge 5 ]; then
36        echo "dd took $ELAPSED seconds to exit (>= 5s tolerance)!"
37        ERR_CODE=255
38fi
39
40_cleanup_test "fault_inject"
41_show_result $TID $ERR_CODE
42