2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
7 # Reflink a file that uses more than half of the space, then try to observe
8 # ENOSPC while copy-on-writing the file via the page cache.
11 seqres=$RESULT_DIR/$seq
12 echo "QA output created by $seq"
16 status=1 # failure is the default!
17 trap "_cleanup; exit \$status" 0 1 2 3 15
22 rm -rf $tmp.* $testdir1
25 # get standard environment, filters and checks
32 # real QA test starts here
34 _require_scratch_reflink
39 echo "Format and mount"
40 _scratch_mkfs > $seqres.full 2>&1
41 _scratch_mount >> $seqres.full 2>&1
43 testdir=$SCRATCH_MNT/test-$seq
46 echo "Reformat with appropriate size"
47 blksz="$(_get_block_size $testdir)"
50 file_size=$((768 * 1024 * 1024))
51 fs_size=$((1024 * 1024 * 1024))
52 _scratch_mkfs_sized $fs_size >> $seqres.full 2>&1
53 _scratch_mount >> $seqres.full 2>&1
57 echo "Create a big file and reflink it"
58 _pwrite_byte 0x61 0 $file_size $testdir/bigfile >> $seqres.full 2>&1
59 _cp_reflink $testdir/bigfile $testdir/clonefile
62 echo "Allocate the rest of the space"
63 _fill_fs $fs_size $testdir/space $blksz 0 >> $seqres.full 2>&1
66 echo "CoW the big file"
67 out="$(_pwrite_byte 0x62 0 $file_size $testdir/bigfile 2>&1 | \
68 _filter_xfs_io_error)"
69 echo ${out} | grep -q "No space left on device" || echo "CoW should have failed with ENOSPC"
70 echo ${out} >> $seqres.full 2>&1
73 echo "Remount and try CoW again"
76 out="$(_pwrite_byte 0x62 0 $file_size $testdir/bigfile 2>&1 | \
77 _filter_xfs_io_error)"
78 echo ${out} | grep -q "No space left on device" || echo "CoW should have failed with ENOSPC"
79 echo ${out} >> $seqres.full 2>&1