| #!/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 |
