| #!/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 |