2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2015 Oracle, Inc. All Rights Reserved.
7 # Test for races or FS corruption between reflink and buffered I/O reading the
11 _begin_fstest auto clone
13 _register_cleanup "_cleanup" BUS
15 # Override the default cleanup function.
19 rm -rf $tmp.* $finished_file
23 # Import common functions.
27 # real QA test starts here
28 _require_scratch_reflink
31 echo "Format and mount"
32 _scratch_mkfs > $seqres.full 2>&1
33 _scratch_mount >> $seqres.full 2>&1
35 testdir=$SCRATCH_MNT/test-$seq
36 finished_file=/tmp/finished
41 nr_loops=$((loops - 1))
44 echo "Initialize files"
46 _pwrite_byte 0x61 0 $((loops * blksz)) $testdir/file1 >> $seqres.full
47 _pwrite_byte 0x62 0 $((loops * blksz)) $testdir/file2 >> $seqres.full
48 _cp_reflink $testdir/file1 $testdir/file3
52 egrep -v '(61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61|62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62)'
56 while [ ! -e $finished_file ]; do
57 _read_range $testdir/file3 0 $((loops * blksz)) | fbytes
61 echo "Reflink and reread the files!"
63 for i in `seq 1 2`; do
64 seq $nr_loops -1 0 | while read i; do
65 _reflink_range $testdir/file1 $((i * blksz)) \
66 $testdir/file3 $((i * blksz)) $blksz >> $seqres.full
69 seq $nr_loops -1 0 | while read i; do
70 _reflink_range $testdir/file2 $((i * blksz)) \
71 $testdir/file3 $((i * blksz)) $blksz >> $seqres.full
75 echo "Finished reflinking"