91 lines
2.0 KiB
Bash
Executable File
91 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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#
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# Test that opening O_DIRECT succeeds when image file I/O produces EIO
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#
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# Copyright (C) 2015 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=stefanha@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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here=`pwd`
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status=1 # failure is the default!
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devname="eiodev$$"
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sudo=""
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_sudo_qemu_io_wrapper()
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{
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(exec $sudo "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@")
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}
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_setup_eiodev()
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{
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# This test should either be run as root or with passwordless sudo
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for cmd in "" "sudo -n"; do
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echo "0 $((1024 * 1024 * 1024 / 512)) error" | \
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$cmd dmsetup create "$devname" 2>/dev/null
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if [ "$?" -eq 0 ]; then
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sudo="$cmd"
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return
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fi
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done
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_notrun "root privileges required to run dmsetup"
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}
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_cleanup_eiodev()
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{
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for cmd in "" "sudo -n"; do
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$cmd dmsetup remove "$devname" 2>/dev/null
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if [ "$?" -eq 0 ]; then
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return
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fi
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done
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}
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_cleanup()
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{
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_cleanup_eiodev
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt raw
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_supported_proto file
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_supported_os Linux
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_setup_eiodev
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TEST_IMG="/dev/mapper/$devname"
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echo
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echo "== reading from error device =="
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# Opening image should succeed but the read operation should fail
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_sudo_qemu_io_wrapper --format "$IMGFMT" --nocache \
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-c "read 0 65536" "$TEST_IMG" \
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| _filter_qemu_io
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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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