4 # Check that bmap/fiemap accurately report shared extents.
6 #-----------------------------------------------------------------------
7 # Copyright (c) 2016 Oracle, Inc. All Rights Reserved.
9 # This program is free software; you can redistribute it and/or
10 # modify it under the terms of the GNU General Public License as
11 # published by the Free Software Foundation.
13 # This program is distributed in the hope that it would be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write the Free Software Foundation,
20 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #-----------------------------------------------------------------------
25 seqres=$RESULT_DIR/$seq
26 echo "QA output created by $seq"
30 status=1 # failure is the default!
31 trap "_cleanup; exit \$status" 0 1 2 3 7 15
40 # get standard environment, filters and checks
45 # real QA test starts here
48 _require_scratch_reflink
50 _require_scratch_explicit_shared_extents
52 echo "Format and mount"
53 _scratch_mkfs > $seqres.full 2>&1
54 _scratch_mount >> $seqres.full 2>&1
56 testdir=$SCRATCH_MNT/test-$seq
61 sz=$((blocks * blksz))
63 echo "Create the original files"
64 $XFS_IO_PROG -f -c "falloc 0 $sz" $testdir/file1 >> $seqres.full
65 _pwrite_byte 0x61 0 $sz $testdir/file1 >> $seqres.full
68 echo "file1 extents and holes"
69 _count_extents $testdir/file1
70 _count_holes $testdir/file1
72 _reflink_range $testdir/file1 $blksz $testdir/file2 $((blksz * 3)) $blksz >> $seqres.full
73 _reflink_range $testdir/file1 $((blksz * 3)) $testdir/file2 $blksz $blksz >> $seqres.full
77 md5sum $testdir/file1 | _filter_scratch
78 md5sum $testdir/file2 | _filter_scratch
80 echo "file1 extents and holes"
81 _count_extents $testdir/file1
82 _count_holes $testdir/file1
83 echo "file2 extents and holes"
84 _count_extents $testdir/file2
85 _count_holes $testdir/file2
86 echo "file1 shared extents"
87 $XFS_IO_PROG -c 'fiemap -v' $testdir/file1 | awk '{print $5}' | grep -c '0x.*[2367aAbBfF]...$'