2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2017 Red Hat Inc. All Rights Reserved.
7 # Try to trigger a race of free eofblocks and file extending dio writes.
8 # A known bug of XFS has been fixed by "e4229d6 xfs: fix eofblocks race
9 # with file extending async dio writes"
12 seqres=$RESULT_DIR/$seq
13 echo "QA output created by $seq"
17 status=1 # failure is the default!
18 trap "_cleanup; exit \$status" 0 1 2 3 15
26 # get standard environment, filters and checks
30 # remove previous $seqres.full before test
33 # real QA test starts here
35 # Modify as appropriate.
38 _require_test_program "feature"
39 _require_aiodio aio-dio-eof-race
41 # limit the filesystem size, to save the time of filling filesystem
42 _scratch_mkfs_sized $((256 * 1024 * 1024)) >>$seqres.full 2>&1
45 # try to write more bytes than filesystem size to fill the filesystem,
46 # then remove all these data. If we still can find these stale data in
47 # a file' eofblock, then it's a bug
48 $XFS_IO_PROG -f -c "pwrite -S 0x55 0 $((256 * 1024 * 1024 * 2))" \
49 $SCRATCH_MNT/fillfs-$seq 2>/dev/null
50 rm -f $SCRATCH_MNT/fillfs-$seq
52 # open & close the file frequently, to trigger xfs_free_eofblocks
54 $XFS_IO_PROG -f -c open $SCRATCH_MNT/tst-aio-dio-eof-race.$seq \
59 nr_cpu=`$here/src/feature -o`
60 fsize=$((nr_cpu * 10))
61 if [ $fsize -gt 200 ]; then
64 # start a background aio writer, which does several extending loops
65 # internally and check data integrality
66 $AIO_TEST -s $fsize -b 65536 $SCRATCH_MNT/tst-aio-dio-eof-race.$seq