Adding upstream version 2.38.1.upstream/2.38.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 247 insertions, 0 deletions

diff --git a/tests/ts/losetup/losetup-loop b/tests/ts/losetup/losetup-loop
new file mode 100755
index 0000000..037e5c7
--- /dev/null
+++ b/tests/ts/losetup/losetup-loop
@@ -0,0 +1,247 @@
+#!/bin/bash
+
+#
+# Copyright (C) 2016 Stanislav Brabec <sbrabec@suse.cz>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="losetup-loop"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+
+ts_check_test_command "$TS_CMD_LOSETUP"
+ts_check_test_command "$TS_CMD_LSBLK"
+
+ts_skip_nonroot
+ts_check_losetup
+
+. "$TS_SELF/losetup_functions.sh"
+
+#
+# Backing file is a block device
+#
+ts_scsi_debug_init dev_size_mb=11
+BACKFILE="$TS_DEVICE"
+
+# All tests are separated by "udevadm settle" because loop device exists some time after
+# "losetup -d". This device confuses some tests. And find-race-condition, tests,
+# whether re-use of this device works.
+
+ts_init_subtest "find-race-condition"
+LODEV=$( $TS_CMD_LOSETUP --find --nooverlap --show $BACKFILE )
+$TS_CMD_LOSETUP -d "$LODEV"
+# The loop device may or may not exist here because no "udevadm settle".
+LODEV=$( $TS_CMD_LOSETUP --find --nooverlap --show $BACKFILE )
+udevadm settle
+dd if=/dev/zero of="$LODEV" count=1 bs=1 >/dev/null 2>&1
+$TS_CMD_LOSETUP --list | grep -q "$LODEV\b"
+ts_log $?
+udevadm settle
+$TS_CMD_LOSETUP -d "$LODEV" >/dev/null 2>&1
+ts_log "Success"
+ts_finalize_subtest
+
+udevadm settle
+
+ts_init_subtest "find-re-use"
+LODEV=$( $TS_CMD_LOSETUP --find --nooverlap --show $BACKFILE )
+if [ -z "$LODEV" ]; then
+	ts_log "Failed to create loop device"
+fi
+LODEVR=$( $TS_CMD_LOSETUP --find --nooverlap --show $BACKFILE )
+if [ -z "$LODEVR" ]; then
+	ts_log "Failed to create loop device"
+fi
+udevadm settle
+if test "$LODEV" = "$LODEVR" ; then
+	echo "equal" >>$TS_OUTPUT
+else
+	echo "different" >>$TS_OUTPUT
+	if test -n "$LODEVR" ; then
+		$TS_CMD_LOSETUP -d "$LODEVR"
+	fi
+fi
+$TS_CMD_LOSETUP -d "$LODEV"
+ts_log "Success"
+ts_finalize_subtest
+
+udevadm settle
+
+ts_init_subtest "find-no-re-use"
+LODEV=$( $TS_CMD_LOSETUP --find --nooverlap --show --offset=0 --sizelimit=1MiB $BACKFILE )
+if [ -z "$LODEV" ]; then
+	ts_log "Failed to create loop device"
+fi
+LODEVR=$( $TS_CMD_LOSETUP --find --nooverlap --show --offset=1MiB --sizelimit=1MiB $BACKFILE )
+if [ -z "$LODEVR" ]; then
+	ts_log "Failed to create loop device"
+fi
+udevadm settle
+if test "$LODEV" = "$LODEVR" ; then
+	echo "equal" >>$TS_OUTPUT
+else
+	echo "different" >>$TS_OUTPUT
+	if test -n "$LODEVR" ; then
+		$TS_CMD_LOSETUP -d "$LODEVR"
+	fi
+fi
+$TS_CMD_LOSETUP -d "$LODEV"
+ts_log "Success"
+ts_finalize_subtest
+
+udevadm settle
+
+ts_init_subtest "find-conflict"
+LODEV=$( $TS_CMD_LOSETUP --find --nooverlap --show --offset=1MiB --sizelimit=2MiB $BACKFILE )
+if [ -z "$LODEV" ]; then
+	ts_log "Failed to create loop device"
+fi
+LODEVR=$( $TS_CMD_LOSETUP --find --nooverlap --show --offset=2MiB --sizelimit=2MiB $BACKFILE >/dev/null 2>&1 )
+if [ -z "$LODEVR" ]; then
+	ts_log "Failed to create loop device"
+fi
+udevadm settle
+if test "$LODEV" = "$LODEVR" ; then
+	echo "equal" >>$TS_OUTPUT
+else
+	echo "different" >>$TS_OUTPUT
+	if test -n "$LODEVR" ; then
+		$TS_CMD_LOSETUP -d "$LODEVR"
+	fi
+fi
+$TS_CMD_LOSETUP -d "$LODEV"
+ts_log "Success"
+ts_finalize_subtest
+
+udevadm settle
+
+ts_init_subtest "find-conflict-no-sizelimit"
+LODEV=$( $TS_CMD_LOSETUP --find --nooverlap --show --offset=1MiB $BACKFILE )
+if [ -z "$LODEV" ]; then
+	ts_log "Failed to create loop device"
+fi
+LODEVR=$( $TS_CMD_LOSETUP --find --nooverlap --show --offset=2MiB --sizelimit=2MiB $BACKFILE >/dev/null 2>&1 )
+if [ -z "$LODEVR" ]; then
+	ts_log "Failed to create loop device"
+fi
+udevadm settle
+if test "$LODEV" = "$LODEVR" ; then
+	echo "equal" >>$TS_OUTPUT
+else
+	echo "different" >>$TS_OUTPUT
+	if test -n "$LODEVR" ; then
+		$TS_CMD_LOSETUP -d "$LODEVR"
+	fi
+fi
+$TS_CMD_LOSETUP -d "$LODEV"
+ts_log "Success"
+ts_finalize_subtest
+
+udevadm settle
+
+ts_init_subtest "find-conflict-readonly"
+LODEV=$( $TS_CMD_LOSETUP --find --nooverlap --show --read-only $BACKFILE )
+if [ -z "$LODEV" ]; then
+	ts_log "Failed to create loop device"
+fi
+LODEVR=$( $TS_CMD_LOSETUP --find --nooverlap --show --offset=2MiB --sizelimit=2MiB $BACKFILE >/dev/null 2>&1 )
+if [ -z "$LODEVR" ]; then
+	ts_log "Failed to create loop device"
+fi
+udevadm settle
+if test "$LODEV" = "$LODEVR" ; then
+	echo "equal" >>$TS_OUTPUT
+else
+	echo "different" >>$TS_OUTPUT
+	if test -n "$LODEVR" ; then
+		$TS_CMD_LOSETUP -d "$LODEVR"
+	fi
+fi
+$TS_CMD_LOSETUP -d "$LODEV"
+$TS_CMD_LOSETUP -d "$LODEVR" >/dev/null 2>&1
+ts_log "Success"
+ts_finalize_subtest
+
+udevadm settle
+
+ts_init_subtest "find-ok-no-sizelimit"
+LODEV=$( $TS_CMD_LOSETUP --find --nooverlap --show --offset=1MiB --sizelimit=1MiB $BACKFILE )
+if [ -z "$LODEV" ]; then
+	ts_log "Failed to create loop device"
+fi
+LODEVR=$( $TS_CMD_LOSETUP --find --nooverlap --show --offset=2MiB $BACKFILE )
+if [ -z "$LODEVR" ]; then
+	ts_log "Failed to create loop device"
+fi
+udevadm settle
+if test "$LODEV" = "$LODEVR" ; then
+	echo "equal" >>$TS_OUTPUT
+else
+	echo "different" >>$TS_OUTPUT
+	if test -n "$LODEVR" ; then
+		$TS_CMD_LOSETUP -d "$LODEVR"
+	fi
+fi
+$TS_CMD_LOSETUP -d "$LODEV"
+ts_log "Success"
+ts_finalize_subtest
+
+udevadm settle
+
+ts_init_subtest "plain-conflict"
+if [ "$TS_PARALLEL" = "yes" ]; then
+	# There is a race in $LODEV is usage
+	ts_skip_subtest "no-reentrant"
+else
+	LODEV=$( $TS_CMD_LOSETUP --find --nooverlap --show $BACKFILE )
+	if [ -z "$LODEV" ]; then
+		ts_log "Failed to create loop device"
+	fi
+	LODEVR=$( $TS_CMD_LOSETUP --find )
+	$TS_CMD_LOSETUP --nooverlap "$LODEVR" $BACKFILE >/dev/null 2>&1
+	ts_log $?
+	udevadm settle
+	$TS_CMD_LOSETUP -d "$LODEV"
+	$TS_CMD_LOSETUP -d "$LODEVR" >/dev/null 2>&1
+	ts_log "Success"
+	ts_finalize_subtest
+fi
+
+udevadm settle
+
+ts_init_subtest "plain-readonly"
+if [ "$TS_PARALLEL" = "yes" ]; then
+	# There is a race in $LODEV is usage
+	ts_skip_subtest "no-reentrant"
+else
+	LODEV=$( $TS_CMD_LOSETUP --find --nooverlap --show --read-only $BACKFILE )
+	if [ -z "$LODEV" ]; then
+		ts_log "Failed to create loop device"
+	fi
+	LODEVR=$( $TS_CMD_LOSETUP --find )
+	$TS_CMD_LOSETUP --nooverlap "$LODEVR" $BACKFILE >/dev/null 2>&1
+	ts_log $?
+	udevadm settle
+	$TS_CMD_LOSETUP -d "$LODEV"
+	$TS_CMD_LOSETUP -d "$LODEVR" >/dev/null 2>&1
+	ts_log "Success"
+	ts_finalize_subtest
+fi
+
+udevadm settle
+
+ts_log "Success"
+ts_finalize