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 direct 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
32 echo "Format and mount"
33 _scratch_mkfs > $seqres.full 2>&1
34 _scratch_mount >> $seqres.full 2>&1
36 testdir=$SCRATCH_MNT/test-$seq
37 finished_file=/tmp/finished
42 nr_loops=$((loops - 1))
45 echo "Initialize files"
47 _pwrite_byte 0x61 0 $((loops * blksz)) $testdir/file1 >> $seqres.full
48 _pwrite_byte 0x62 0 $((loops * blksz)) $testdir/file2 >> $seqres.full
49 _cp_reflink $testdir/file1 $testdir/file3
53 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)'
57 while [ ! -e $finished_file ]; do
58 _read_range $testdir/file3 0 $((loops * blksz)) -d | fbytes
62 echo "Reflink and dio reread the files!"
64 for i in `seq 1 2`; do
65 seq $nr_loops -1 0 | while read i; do
66 _reflink_range $testdir/file1 $((i * blksz)) \
67 $testdir/file3 $((i * blksz)) $blksz >> $seqres.full
70 seq $nr_loops -1 0 | while read i; do
71 _reflink_range $testdir/file2 $((i * blksz)) \
72 $testdir/file3 $((i * blksz)) $blksz >> $seqres.full
76 echo "Finished reflinking"