4 # See what happens if we DIO CoW blocks 2-4 of a page's worth of blocks when
5 # the second block is a regular block.
7 # This test is dependent on the system page size, so we cannot use md5 in
8 # the golden output; we can only compare to a check file.
10 #-----------------------------------------------------------------------
11 # Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
13 # This program is free software; you can redistribute it and/or
14 # modify it under the terms of the GNU General Public License as
15 # published by the Free Software Foundation.
17 # This program is distributed in the hope that it would be useful,
18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 # GNU General Public License for more details.
22 # You should have received a copy of the GNU General Public License
23 # along with this program; if not, write the Free Software Foundation,
24 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 #-----------------------------------------------------------------------
28 seqres="$RESULT_DIR/$seq"
29 echo "QA output created by $seq"
33 status=1 # failure is the default!
34 trap "_cleanup; exit \$status" 0 1 2 3 15
39 rm -rf "$tmp".* "$TESTDIR"
42 # get standard environment, filters and checks
47 # real QA test starts here
49 _require_scratch_reflink
53 PAGESZ=$(getconf PAGE_SIZE)
56 echo "Format and mount"
57 _scratch_mkfs_blocksized $BLKSZ > "$seqres.full" 2>&1
58 _scratch_mount >> "$seqres.full" 2>&1
60 TESTDIR="$SCRATCH_MNT/test-$seq"
64 REAL_BLKSZ=$(stat -f -c '%S' $TESTDIR)
65 test "$REAL_BLKSZ" != "$BLKSZ" && _notrun "Failed to format with small blocksize."
67 echo "Create the original files"
68 _pwrite_byte 0x61 0 $PAGESZ "$TESTDIR/file1" >> "$seqres.full"
70 "$XFS_IO_PROG" -f -c "truncate $PAGESZ" "$TESTDIR/file2" >> "$seqres.full"
71 "$XFS_IO_PROG" -f -c "truncate $PAGESZ" "$TESTDIR/file2.chk" >> "$seqres.full"
73 _pwrite_byte 0x61 $BLKSZ $BLKSZ "$TESTDIR/file2" >> "$seqres.full"
74 _pwrite_byte 0x61 $BLKSZ $BLKSZ "$TESTDIR/file2.chk" >> "$seqres.full"
76 _pwrite_byte 0x61 $((BLKSZ * 3)) $BLKSZ "$TESTDIR/file2" >> "$seqres.full"
77 _pwrite_byte 0x61 $((BLKSZ * 3)) $BLKSZ "$TESTDIR/file2.chk" >> "$seqres.full"
79 _reflink_range "$TESTDIR/file1" $BLKSZ "$TESTDIR/file2" $((BLKSZ * 2)) $BLKSZ >> "$seqres.full"
80 _pwrite_byte 0x61 $((BLKSZ * 2)) $BLKSZ "$TESTDIR/file2.chk" >> "$seqres.full"
84 ! cmp -s "$TESTDIR/file1" "$TESTDIR/file2" || _fail "file1 and file2 don't match."
85 cmp -s "$TESTDIR/file2" "$TESTDIR/file2.chk" || _fail "file2 and file2.chk don't match."
87 echo "CoW and unmount"
88 "$XFS_IO_PROG" -d -f -c "pwrite -S 0x63 $BLKSZ $((BLKSZ * 3))" "$TESTDIR/file2" >> "$seqres.full"
89 "$XFS_IO_PROG" -f -c "pwrite -S 0x63 $BLKSZ $((BLKSZ * 3))" "$TESTDIR/file2.chk" >> "$seqres.full"
93 ! cmp -s "$TESTDIR/file1" "$TESTDIR/file2" || _fail "file1 and file2 don't match."
94 cmp -s "$TESTDIR/file2" "$TESTDIR/file2.chk" || _fail "file2 and file2.chk don't match."
96 echo "Check for damage"