mirror of
https://github.com/linux-apfs/apfstests.git
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Dave Chinner
cf89aed924
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
88 lines
2.1 KiB
Bash
Executable File
88 lines
2.1 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
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#
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# FS QA Test No. 171
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#
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# Reflink a file, use up the rest of the space, then try to observe ENOSPC
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# while copy-on-writing the file via the page cache.
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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.* $testdir1
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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/populate
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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_os Linux
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_require_scratch_reflink
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_require_cp_reflink
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rm -f $seqres.full
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echo "Format and mount"
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_scratch_mkfs > $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 $testdir
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echo "Reformat with appropriate size"
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blksz="$(_get_block_size $testdir)"
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nr_blks=10240
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umount $SCRATCH_MNT
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sz_bytes=$((nr_blks * 8 * blksz))
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if [ $sz_bytes -lt $((32 * 1048576)) ]; then
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sz_bytes=$((32 * 1048576))
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fi
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_scratch_mkfs_sized $sz_bytes >> $seqres.full 2>&1
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_scratch_mount >> $seqres.full 2>&1
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rm -rf $testdir
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mkdir $testdir
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echo "Create a big file and reflink it"
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_pwrite_byte 0x61 0 $((blksz * nr_blks)) $testdir/bigfile >> $seqres.full 2>&1
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_cp_reflink $testdir/bigfile $testdir/clonefile
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sync
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echo "Allocate the rest of the space"
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nr_free=$(stat -f -c '%f' $testdir)
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_fill_fs $((nr_free * blksz)) $testdir/space $blksz 0 >> $seqres.full 2>&1
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sync
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echo "CoW the big file"
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out="$(_pwrite_byte 0x62 0 $((blksz * nr_blks)) $testdir/bigfile 2>&1 | \
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_filter_xfs_io_error)"
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echo ${out} | grep -q "No space left on device" || echo "CoW should have failed with ENOSPC"
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echo ${out} >> $seqres.full 2>&1
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echo ${out}
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echo "Remount and try CoW again"
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_scratch_cycle_mount
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out="$(_pwrite_byte 0x62 0 $((blksz * nr_blks)) $testdir/bigfile 2>&1 | \
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_filter_xfs_io_error)"
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echo ${out} | grep -q "No space left on device" || echo "CoW should have failed with ENOSPC"
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echo ${out} >> $seqres.full 2>&1
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echo ${out}
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# success, all done
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status=0
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exit
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