1#!/bin/bash 2# 3# Test that opening O_DIRECT succeeds when image file I/O produces EIO 4# 5# Copyright (C) 2015 Red Hat, Inc. 6# 7# This program is free software; you can redistribute it and/or modify 8# it under the terms of the GNU General Public License as published by 9# the Free Software Foundation; either version 2 of the License, or 10# (at your option) any later version. 11# 12# This program is distributed in the hope that it will be useful, 13# but WITHOUT ANY WARRANTY; without even the implied warranty of 14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15# GNU General Public License for more details. 16# 17# You should have received a copy of the GNU General Public License 18# along with this program. If not, see <http://www.gnu.org/licenses/>. 19# 20 21# creator 22owner=stefanha@redhat.com 23 24seq=`basename $0` 25echo "QA output created by $seq" 26 27here=`pwd` 28tmp=/tmp/$$ 29status=1 # failure is the default! 30 31devname="eiodev$$" 32sudo="" 33 34_setup_eiodev() 35{ 36 # This test should either be run as root or with passwordless sudo 37 for cmd in "" "sudo -n"; do 38 echo "0 $((1024 * 1024 * 1024 / 512)) error" | \ 39 $cmd dmsetup create "$devname" 2>/dev/null 40 if [ "$?" -eq 0 ]; then 41 sudo="$cmd" 42 return 43 fi 44 done 45 _notrun "root privileges required to run dmsetup" 46} 47 48_cleanup_eiodev() 49{ 50 for cmd in "" "sudo -n"; do 51 $cmd dmsetup remove "$devname" 2>/dev/null 52 if [ "$?" -eq 0 ]; then 53 return 54 fi 55 done 56} 57 58_cleanup() 59{ 60 _cleanup_eiodev 61} 62trap "_cleanup; exit \$status" 0 1 2 3 15 63 64# get standard environment, filters and checks 65. ./common.rc 66. ./common.filter 67 68_supported_fmt raw 69_supported_proto file 70_supported_os Linux 71 72_setup_eiodev 73 74TEST_IMG="/dev/mapper/$devname" 75 76echo 77echo "== reading from error device ==" 78# Opening image should succeed but the read operation should fail 79$sudo $QEMU_IO --format "$IMGFMT" --nocache -c "read 0 65536" "$TEST_IMG" | _filter_qemu_io 80 81# success, all done 82echo "*** done" 83rm -f $seq.full 84status=0 85