blob: c0edb6d28a630d043eec82c0480a23f9eb4f2395 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
#
# FS QA Test No. 265
#
# Ensure that we can create enough distinct reflink entries to force creation
# of a multi-level refcount btree by reflinking a file a number of times and
# truncating the copies at successively lower sizes. Delete and recreate a few
# times to exercise the refcount btree grow/shrink functions.
#
. ./common/preamble
_begin_fstest auto clone
# Override the default cleanup function.
_cleanup()
{
cd /
umount $SCRATCH_MNT > /dev/null 2>&1
rm -rf $tmp.*
}
# Import common functions.
. ./common/filter
. ./common/reflink
# real QA test starts here
_supported_fs xfs
_require_scratch_reflink
_require_cp_reflink
_scratch_mkfs >/dev/null 2>&1
_scratch_mount
testdir=$SCRATCH_MNT/test-$seq
mkdir $testdir
echo "Create the original file blocks"
blksz="$(_get_block_size $testdir)"
nr_blks=$((2 * blksz / 12))
for i in 1 2 x; do
_pwrite_byte 0x61 0 $((blksz * nr_blks)) $testdir/file1 >> $seqres.full
echo "$i: Reflink a bunch of times"
seq 1 $nr_blks | while read nr; do
_cp_reflink $testdir/file1 $testdir/file1.$nr >> $seqres.full
done
sync
echo "$i: Truncate files"
seq 1 $nr_blks | while read nr; do
truncate -s $((blksz * (nr_blks - nr))) $testdir/file1.$nr >> $seqres.full
done
umount $SCRATCH_MNT
_check_scratch_fs
_scratch_mount
test $i = "x" && break
echo "$i: Delete both files"
rm -rf $testdir
mkdir -p $testdir
umount $SCRATCH_MNT
_check_scratch_fs
_scratch_mount
done
# success, all done
status=0
exit
|
