mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
a860a167d8
fstests only supports Linux, so get rid of this unnecessary predicate. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
104 lines
2.8 KiB
Bash
Executable File
104 lines
2.8 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
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#
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# FS QA Test No. 179
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#
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# See how well reflink handles overflowing reflink counts.
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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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rm -rf $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/attr
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. ./common/reflink
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# real QA test starts here
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_supported_fs xfs
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_require_scratch_reflink
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_require_scratch_nocheck
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_require_cp_reflink
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_require_test_program "punch-alternating"
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rm -f $seqres.full
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echo "Format and mount"
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_scratch_mkfs -d agcount=1 > $seqres.full 2>&1
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_scratch_mount >> $seqres.full 2>&1
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testdir=$SCRATCH_MNT/test-$seq
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mkdir $testdir
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blksz=65536
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echo "Create original files"
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_pwrite_byte 0x61 0 $blksz $testdir/file1 >> $seqres.full
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_cp_reflink $testdir/file1 $testdir/file2 >> $seqres.full
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echo "Change reference count"
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_scratch_unmount
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echo "set refcount to -4" >> $seqres.full
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_scratch_xfs_db -x -c 'agf 0' -c 'addr refcntroot' -c 'write recs[1].refcount 4294967292' >> $seqres.full
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echo "check refcount after setting to -4" >> $seqres.full
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_scratch_xfs_db -c 'agf 0' -c 'addr refcntroot' -c 'p recs[1]' >> $seqres.full
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_scratch_mount >> $seqres.full
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echo "Reflink the overlinked file"
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_cp_reflink $testdir/file1 $testdir/file3 >> $seqres.full
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_cp_reflink $testdir/file1 $testdir/file4 >> $seqres.full
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_cp_reflink $testdir/file1 $testdir/file5 >> $seqres.full
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_cp_reflink $testdir/file1 $testdir/file6 >> $seqres.full
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_cp_reflink $testdir/file1 $testdir/file7 >> $seqres.full
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echo "Check scratch fs"
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_scratch_unmount
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echo "check refcount after reflinking 5 more times" >> $seqres.full
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_scratch_xfs_db -c 'agf 0' -c 'addr refcntroot' -c 'p recs[1]' >> $seqres.full
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_scratch_mount >> $seqres.full
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echo "CoW a couple files"
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_pwrite_byte 0x62 0 $blksz $testdir/file3 >> $seqres.full
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_pwrite_byte 0x62 0 $blksz $testdir/file5 >> $seqres.full
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_pwrite_byte 0x62 0 $blksz $testdir/file7 >> $seqres.full
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echo "Check scratch fs"
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_scratch_unmount
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echo "check refcount after cowing 3 files" >> $seqres.full
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_scratch_xfs_db -c 'agf 0' -c 'addr refcntroot' -c 'p recs[1]' >> $seqres.full
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_scratch_mount >> $seqres.full
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echo "Remove reflinked files"
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rm -rf $testdir/file*
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echo "Check scratch fs"
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_scratch_unmount
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echo "check refcount after removing all files" >> $seqres.full
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_scratch_xfs_db -c 'agf 0' -c 'addr refcntroot' -c 'p recs[1]' >> $seqres.full
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_scratch_xfs_repair -o force_geometry -n >> $seqres.full 2>&1
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res=$?
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if [ $res -eq 0 ]; then
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# If repair succeeds then format the device so that the post-test
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# check doesn't fail due to the single AG.
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_scratch_mkfs >> $seqres.full 2>&1
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else
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_fail "xfs_repair fails"
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fi
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# success, all done
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status=0
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exit
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