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author | Stanislav Brabec | 2016-08-02 20:00:46 +0200 |
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committer | Karel Zak | 2016-08-17 13:02:35 +0200 |
commit | 912d50b3bec755d8b4f08aec69d255dbb5fe5e31 (patch) | |
tree | e507a646b21a50332b40e9195ed8f79f88da6e29 /tests/ts/losetup | |
parent | losetup: Prevent AUTOCLEAR detach race (diff) | |
download | kernel-qcow2-util-linux-912d50b3bec755d8b4f08aec69d255dbb5fe5e31.tar.gz kernel-qcow2-util-linux-912d50b3bec755d8b4f08aec69d255dbb5fe5e31.tar.xz kernel-qcow2-util-linux-912d50b3bec755d8b4f08aec69d255dbb5fe5e31.zip |
tests: Add losetup-loop test suite
Add losetup loop test suite that tests proper behavior of conflicting and
re-used loop devices.
Signed-off-by: Stanislav Brabec <sbrabec@suse.cz>
Diffstat (limited to 'tests/ts/losetup')
-rwxr-xr-x | tests/ts/losetup/losetup-loop | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/tests/ts/losetup/losetup-loop b/tests/ts/losetup/losetup-loop new file mode 100755 index 000000000..45403cbd6 --- /dev/null +++ b/tests/ts/losetup/losetup-loop @@ -0,0 +1,228 @@ +#!/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 sleep 3, 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 --show $BACKFILE ) +$TS_CMD_LOSETUP -d $LODEV +LODEV=$( $TS_CMD_LOSETUP --find --show $BACKFILE ) +sleep 3 +dd if=/dev/zero of=$LODEV count=1 bs=1 >/dev/null 2>&1 +sleep 3 +$TS_CMD_LOSETUP --list | grep -q $LODEV +ts_log $? +$TS_CMD_LOSETUP -d $LODEV >/dev/null 2>&1 +ts_log "Success" +ts_finalize_subtest + +sleep 3 + +ts_init_subtest "find-re-use" +LODEV=$( $TS_CMD_LOSETUP --find --show $BACKFILE ) +if [ -z "$LODEV" ]; then + ts_log "Failed to create loop device" +fi +LODEVR=$( $TS_CMD_LOSETUP --find --show $BACKFILE ) +if [ -z "$LODEVR" ]; then + ts_log "Failed to create loop device" +fi +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 $LODEV +ts_log "Success" +ts_finalize_subtest + +sleep 3 + +ts_init_subtest "find-no-re-use" +LODEV=$( $TS_CMD_LOSETUP --find --show --offset=0 --sizelimit=1MiB $BACKFILE ) +if [ -z "$LODEV" ]; then + ts_log "Failed to create loop device" +fi +LODEVR=$( $TS_CMD_LOSETUP --find --show --offset=1MiB --sizelimit=1MiB $BACKFILE ) +if [ -z "$LODEVR" ]; then + ts_log "Failed to create loop device" +fi +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 $LODEV +ts_log "Success" +ts_finalize_subtest + +sleep 3 + +ts_init_subtest "find-conflict" +LODEV=$( $TS_CMD_LOSETUP --find --show --offset=1MiB --sizelimit=2MiB $BACKFILE ) +if [ -z "$LODEV" ]; then + ts_log "Failed to create loop device" +fi +LODEVR=$( $TS_CMD_LOSETUP --find --show --offset=2MiB --sizelimit=2MiB $BACKFILE >/dev/null 2>&1 ) +if [ -z "$LODEVR" ]; then + ts_log "Failed to create loop device" +fi +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 $LODEV +ts_log "Success" +ts_finalize_subtest + +sleep 3 + +ts_init_subtest "find-conflict-no-sizelimit" +LODEV=$( $TS_CMD_LOSETUP --find --show --offset=1MiB $BACKFILE ) +if [ -z "$LODEV" ]; then + ts_log "Failed to create loop device" +fi +LODEVR=$( $TS_CMD_LOSETUP --find --show --offset=2MiB --sizelimit=2MiB $BACKFILE >/dev/null 2>&1 ) +if [ -z "$LODEVR" ]; then + ts_log "Failed to create loop device" +fi +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 $LODEV +ts_log "Success" +ts_finalize_subtest + +sleep 3 + +ts_init_subtest "find-conflict-readonly" +LODEV=$( $TS_CMD_LOSETUP --find --show --read-only $BACKFILE ) +if [ -z "$LODEV" ]; then + ts_log "Failed to create loop device" +fi +LODEVR=$( $TS_CMD_LOSETUP --find --show --offset=2MiB --sizelimit=2MiB $BACKFILE >/dev/null 2>&1 ) +if [ -z "$LODEVR" ]; then + ts_log "Failed to create loop device" +fi +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 $LODEVR >/dev/null 2>&1 +ts_log "Success" +ts_finalize_subtest + +sleep 3 + +ts_init_subtest "find-ok-no-sizelimit" +LODEV=$( $TS_CMD_LOSETUP --find --show --offset=1MiB --sizelimit=1MiB $BACKFILE ) +if [ -z "$LODEV" ]; then + ts_log "Failed to create loop device" +fi +LODEVR=$( $TS_CMD_LOSETUP --find --show --offset=2MiB $BACKFILE ) +if [ -z "$LODEVR" ]; then + ts_log "Failed to create loop device" +fi +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 $LODEV +ts_log "Success" +ts_finalize_subtest + +sleep 3 + +ts_init_subtest "plain-conflict" +LODEV=$( $TS_CMD_LOSETUP --find --show $BACKFILE ) +if [ -z "$LODEV" ]; then + ts_log "Failed to create loop device" +fi +LODEVR=$( $TS_CMD_LOSETUP --find ) +$TS_CMD_LOSETUP $LODEVR $BACKFILE >/dev/null 2>&1 +ts_log $? +$TS_CMD_LOSETUP -d $LODEV +$TS_CMD_LOSETUP -d $LODEVR >/dev/null 2>&1 +ts_log "Success" +ts_finalize_subtest + +sleep 3 + +ts_init_subtest "plain-readonly" +LODEV=$( $TS_CMD_LOSETUP --find --show --read-only $BACKFILE ) +if [ -z "$LODEV" ]; then + ts_log "Failed to create loop device" +fi +LODEVR=$( $TS_CMD_LOSETUP --find ) +$TS_CMD_LOSETUP $LODEVR $BACKFILE >/dev/null 2>&1 +ts_log $? +$TS_CMD_LOSETUP -d $LODEV +$TS_CMD_LOSETUP -d $LODEVR >/dev/null 2>&1 +ts_log "Success" +ts_finalize_subtest + +sleep 3 + +ts_log "Success" +ts_finalize |