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https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
a3d855e424
When we're iterating file blocks in a loop (via seq), we have to end at $nr-1, not $nr. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
89 lines
2.5 KiB
Bash
Executable File
89 lines
2.5 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 129
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#
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# Ensure that we can create enough distinct reflink entries to force creation
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# of a multi-level refcount btree, and that metadump will successfully copy
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# said block.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2015, Oracle and/or its affiliates. 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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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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_cleanup()
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{
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cd /
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umount "$SCRATCH_MNT" > /dev/null 2>&1
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rm -rf "$tmp".* "$TESTDIR" "$METADUMP_FILE" "$TEST_DIR/image"
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/reflink
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# real QA test starts here
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_supported_os Linux
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_supported_fs xfs
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_require_loop
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_require_scratch_reflink
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rm -f "$seqres.full"
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_scratch_mkfs >/dev/null 2>&1
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_scratch_mount
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TESTDIR="$SCRATCH_MNT/test-$seq"
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rm -rf "$TESTDIR"
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mkdir "$TESTDIR"
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METADUMP_FILE="$TEST_DIR/${seq}_metadump"
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echo "Create the original file blocks"
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BLKSZ="$(stat -f "$TESTDIR" -c '%S')"
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NR_BLKS=$((4 * BLKSZ / 12))
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_pwrite_byte 0x61 0 $((BLKSZ * NR_BLKS)) "$TESTDIR/file1" >> "$seqres.full"
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echo "Reflink every other block"
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seq 1 2 $((NR_BLKS - 1)) | while read nr; do
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_reflink_range "$TESTDIR/file1" $((nr * BLKSZ)) \
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"$TESTDIR/file2" $((nr * BLKSZ)) $BLKSZ >> "$seqres.full"
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done
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echo "Create metadump file"
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_scratch_unmount
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_scratch_metadump "$METADUMP_FILE"
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# Now restore the obfuscated one back and take a look around
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echo "Restore metadump"
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xfs_mdrestore "$METADUMP_FILE" "$TEST_DIR/image"
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_mount -t $FSTYP "$TEST_DIR/image" "$SCRATCH_MNT"
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umount "$SCRATCH_MNT"
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echo "Check restored fs"
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_check_generic_filesystem "$METADUMP_FILE"
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# success, all done
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status=0
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exit
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