| #! /bin/bash |
| # FS QA Test 405 |
| # |
| # Test mkfs against thin provision device, which has very small backing size, |
| # mkfs should return error when it hits EIO. |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2016 Red Hat Inc. All Rights Reserved. |
| # |
| # This program 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. |
| # |
| # This program is distributed in the hope that it would 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. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write the Free Software Foundation, |
| # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| #----------------------------------------------------------------------- |
| # |
| |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| # Initialize dmthin device with very small backing size & very big virtual |
| # size, with the hope that mkfs hit EIO at mkfs time |
| BACKING_SIZE=$((1 * 1024 * 1024 / 512)) # 1M |
| VIRTUAL_SIZE=$((1 * 1024 * 1024 * 1024 * 1024 / 512)) # 1T |
| |
| _cleanup() |
| { |
| _dmthin_cleanup |
| cd / |
| rm -f $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/dmthin |
| |
| # remove previous $seqres.full before test |
| rm -f $seqres.full |
| |
| # real QA test starts here |
| _supported_fs generic |
| _supported_os Linux |
| # $SCRATCH_DEV won't be directly created filesystem on, so fsck isn't required |
| _require_scratch_nocheck |
| _require_dm_target thin-pool |
| |
| _dmthin_init $BACKING_SIZE $VIRTUAL_SIZE |
| |
| # try mkfs on dmthin device, expect mkfs failure if 1M isn't big enough to hold |
| # all the metadata. But if mkfs returns success, we expect the filesystem is |
| # consistent, make sure it doesn't currupt silently. |
| $MKFS_PROG -t $FSTYP $DMTHIN_VOL_DEV >>$seqres.full 2>&1 |
| if [ $? -eq 0 ]; then |
| _dmthin_check_fs |
| fi |
| |
| echo "Silence is golden" |
| status=0 |
| exit |