mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Dave Chinner
cf89aed924
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
116 lines
2.9 KiB
Bash
Executable File
116 lines
2.9 KiB
Bash
Executable File
#! /bin/bash
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
# Copyright (C) 2017 SUSE Linux Products GmbH. All Rights Reserved.
|
|
#
|
|
# FS QA Test No. generic/422
|
|
#
|
|
# Test that a filesystem's implementation of the stat(2) system call reports
|
|
# correct values for the number of blocks allocated for a file when there are
|
|
# delayed allocations.
|
|
#
|
|
seq=`basename $0`
|
|
seqres=$RESULT_DIR/$seq
|
|
echo "QA output created by $seq"
|
|
|
|
tmp=/tmp/$$
|
|
status=1 # failure is the default!
|
|
trap "_cleanup; exit \$status" 0 1 2 3 15
|
|
|
|
_cleanup()
|
|
{
|
|
cd /
|
|
rm -f $tmp.*
|
|
}
|
|
|
|
# get standard environment, filters and checks
|
|
. ./common/rc
|
|
. ./common/filter
|
|
|
|
# real QA test starts here
|
|
_supported_fs generic
|
|
_supported_os Linux
|
|
_require_test
|
|
_require_scratch
|
|
_require_xfs_io_command "falloc" "-k"
|
|
_require_odirect
|
|
|
|
rm -f $seqres.full
|
|
|
|
_scratch_mkfs >>$seqres.full 2>&1
|
|
_scratch_mount
|
|
|
|
$XFS_IO_PROG -f -c "pwrite -S 0xaa 0 64K" $SCRATCH_MNT/foo1 | _filter_xfs_io
|
|
$XFS_IO_PROG -f \
|
|
-c "pwrite -S 0xaa 0 64K" \
|
|
-c "truncate 128K" \
|
|
$SCRATCH_MNT/foo2 | _filter_xfs_io
|
|
$XFS_IO_PROG -f \
|
|
-c "falloc -k 0 128K" \
|
|
-c "pwrite -S 0xaa 0 64K" \
|
|
$SCRATCH_MNT/foo3 | _filter_xfs_io
|
|
touch $SCRATCH_MNT/foo4
|
|
|
|
# Make sure everything done so far is durably persisted.
|
|
sync
|
|
|
|
# Now overwrite the extent of the first file.
|
|
$XFS_IO_PROG -c "pwrite -S 0xff 0 64K" $SCRATCH_MNT/foo1 | _filter_xfs_io
|
|
|
|
# Write to a hole of the second file.
|
|
$XFS_IO_PROG -c "pwrite -S 0xff 64K 64K" $SCRATCH_MNT/foo2 | _filter_xfs_io
|
|
# Write again to the same location, just to test that the fs will not account
|
|
# the same write twice.
|
|
$XFS_IO_PROG -c "pwrite -S 0x20 64K 64K" $SCRATCH_MNT/foo2 | _filter_xfs_io
|
|
|
|
# Write beyond eof of the third file into the pre-allocated extent.
|
|
$XFS_IO_PROG -c "pwrite -S 0xff 64K 64K" $SCRATCH_MNT/foo3 | _filter_xfs_io
|
|
|
|
# Do a buffered write immediately followed by a direct IO write, without a
|
|
# fsync in between, just to test that page invalidation does not lead to an
|
|
# incorrect number of file blocks reported.
|
|
$XFS_IO_PROG -c "pwrite -S 0xab 0 64K" $SCRATCH_MNT/foo4 | _filter_xfs_io
|
|
$XFS_IO_PROG -d -c "pwrite -S 0xef 0 64K" $SCRATCH_MNT/foo4 | _filter_xfs_io
|
|
|
|
space_used() {
|
|
echo "Space used by file foo1:"
|
|
du -h $SCRATCH_MNT/foo1 | _filter_scratch
|
|
|
|
echo "Space used by file foo2:"
|
|
du -h $SCRATCH_MNT/foo2 | _filter_scratch
|
|
|
|
echo "Space used by file foo3:"
|
|
du -h $SCRATCH_MNT/foo3 | _filter_scratch
|
|
|
|
echo "Space used by file foo4:"
|
|
du -h $SCRATCH_MNT/foo4 | _filter_scratch
|
|
}
|
|
|
|
space_used > $SCRATCH_MNT/$seq.before
|
|
(
|
|
echo
|
|
echo "Before writeback"
|
|
echo
|
|
|
|
cat $SCRATCH_MNT/$seq.before
|
|
) >> $seqres.full
|
|
|
|
sync
|
|
|
|
# We expect the same file sizes reported by 'du' after writeback finishes.
|
|
|
|
space_used > $SCRATCH_MNT/$seq.after
|
|
(
|
|
echo
|
|
echo "After writeback"
|
|
echo
|
|
|
|
cat $SCRATCH_MNT/$seq.after
|
|
) >> $seqres.full
|
|
|
|
if diff -q $SCRATCH_MNT/$seq.before $SCRATCH_MNT/$seq.after; then
|
|
echo "Space used before and after writeback is equal"
|
|
fi
|
|
|
|
status=0
|
|
exit
|