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https://github.com/linux-apfs/apfstests.git
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Boyang Xue
66768bcaec
Test mkfs against thin provision device, which has very small backing size and very big virtual size. mkfs should return error when it hits EIO. Signed-off-by: Boyang Xue <bxue@redhat.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
74 lines
2.2 KiB
Bash
Executable File
74 lines
2.2 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test 405
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#
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# Test mkfs against thin provision device, which has very small backing size,
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# mkfs should return error when it hits EIO.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2016 Red Hat Inc. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# Initialize dmthin device with very small backing size & very big virtual
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# size, with the hope that mkfs hit EIO at mkfs time
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BACKING_SIZE=$((1 * 1024 * 1024 / 512)) # 1M
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VIRTUAL_SIZE=$((1 * 1024 * 1024 * 1024 * 1024 / 512)) # 1T
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_cleanup()
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{
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_dmthin_cleanup
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cd /
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/dmthin
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# real QA test starts here
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_supported_fs generic
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_supported_os Linux
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# $SCRATCH_DEV won't be directly created filesystem on, so fsck isn't required
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_require_scratch_nocheck
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_require_dm_target thin-pool
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_dmthin_init $BACKING_SIZE $VIRTUAL_SIZE
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# try mkfs on dmthin device, expect mkfs failure if 1M isn't big enough to hold
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# all the metadata. But if mkfs returns success, we expect the filesystem is
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# consistent, make sure it doesn't currupt silently.
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$MKFS_PROG -t $FSTYP $DMTHIN_VOL_DEV >>$seqres.full 2>&1
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if [ $? -eq 0 ]; then
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_dmthin_check_fs
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fi
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echo "Silence is golden"
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status=0
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exit
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