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Message-ID: <20151219091131.15320.12391.stgit@birch.djwong.org>
Date: Sat, 19 Dec 2015 01:11:31 -0800
From: "Darrick J. Wong" <darrick.wong@...cle.com>
To: david@...morbit.com, darrick.wong@...cle.com
Cc: linux-ext4@...r.kernel.org, linux-btrfs@...r.kernel.org,
fstests@...r.kernel.org, xfs@....sgi.com
Subject: [PATCH 06/11] reflink: more tests
Add more tests for unaligned copy-on-write things, and explicitly
test the ability to pass "len == 0" to mean reflink/dedupe all
the way to the end of the file".
Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
---
tests/generic/820 | 77 ++++++++++++++++++++++++++++++++
tests/generic/820.out | 8 +++
tests/generic/847 | 96 ++++++++++++++++++++++++++++++++++++++++
tests/generic/847.out | 11 +++++
tests/generic/848 | 96 ++++++++++++++++++++++++++++++++++++++++
tests/generic/848.out | 11 +++++
tests/generic/849 | 80 ++++++++++++++++++++++++++++++++++
tests/generic/849.out | 6 +++
tests/generic/850 | 117 +++++++++++++++++++++++++++++++++++++++++++++++++
tests/generic/850.out | 17 +++++++
tests/generic/group | 5 ++
11 files changed, 524 insertions(+)
create mode 100755 tests/generic/820
create mode 100644 tests/generic/820.out
create mode 100755 tests/generic/847
create mode 100644 tests/generic/847.out
create mode 100755 tests/generic/848
create mode 100644 tests/generic/848.out
create mode 100755 tests/generic/849
create mode 100644 tests/generic/849.out
create mode 100755 tests/generic/850
create mode 100644 tests/generic/850.out
diff --git a/tests/generic/820 b/tests/generic/820
new file mode 100755
index 0000000..e475f71
--- /dev/null
+++ b/tests/generic/820
@@ -0,0 +1,77 @@
+#! /bin/bash
+# FS QA Test No. 820
+#
+# Ensure that punch-hole doesn't clobber CoW.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#-----------------------------------------------------------------------
+
+seq=`basename "$0"`
+seqres="$RESULT_DIR/$seq"
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1 # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+ cd /
+ rm -rf "$tmp".* "$TESTDIR"
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_test_reflink
+_require_cp_reflink
+_require_xfs_io_command "fpunch"
+
+rm -f "$seqres.full"
+
+TESTDIR="$TEST_DIR/test-$seq"
+rm -rf "$TESTDIR"
+mkdir "$TESTDIR"
+
+echo "Create the original files"
+BLKSZ=65536
+NR=512
+_pwrite_byte 0x61 0 $((BLKSZ * NR)) "$TESTDIR/file1" >> "$seqres.full"
+
+_cp_reflink "$TESTDIR/file1" "$TESTDIR/file2"
+_test_remount
+
+md5sum "$TESTDIR/file1" | _filter_test_dir
+md5sum "$TESTDIR/file2" | _filter_test_dir
+
+echo "Write and punch"
+_pwrite_byte 0x62 0 $((BLKSZ * 256)) "$TESTDIR/file2" >> "$seqres.full"
+"$XFS_IO_PROG" -f -c "fpunch $BLKSZ $((BLKSZ * 254))" "$TESTDIR/file2"
+_test_remount
+
+echo "Compare results"
+md5sum "$TESTDIR/file1" | _filter_test_dir
+md5sum "$TESTDIR/file2" | _filter_test_dir
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/820.out b/tests/generic/820.out
new file mode 100644
index 0000000..527617d
--- /dev/null
+++ b/tests/generic/820.out
@@ -0,0 +1,8 @@
+QA output created by 820
+Create the original files
+bc3d7c2ff64219e33239f2e13c2d21db TEST_DIR/test-820/file1
+bc3d7c2ff64219e33239f2e13c2d21db TEST_DIR/test-820/file2
+Write and punch
+Compare results
+bc3d7c2ff64219e33239f2e13c2d21db TEST_DIR/test-820/file1
+95cfd19ce56010430dc2057413d7efc5 TEST_DIR/test-820/file2
diff --git a/tests/generic/847 b/tests/generic/847
new file mode 100755
index 0000000..ee8b53b
--- /dev/null
+++ b/tests/generic/847
@@ -0,0 +1,96 @@
+#! /bin/bash
+# FS QA Test No. 847
+#
+# Ensure that unaligned punch-hole steps around reflinked ranges:
+# - Create a reflink clone of a file
+# - Perform an unaligned punch in the middle of the file.
+# - Check that the reflinked areas are still there.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#-----------------------------------------------------------------------
+
+seq=`basename "$0"`
+seqres="$RESULT_DIR/$seq"
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1 # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+ cd /
+ rm -rf "$tmp".* "$TESTDIR"
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_test_reflink
+_require_cp_reflink
+_require_xfs_io_command "fpunch"
+
+rm -f "$seqres.full"
+
+TESTDIR="$TEST_DIR/test-$seq"
+rm -rf "$TESTDIR"
+mkdir "$TESTDIR"
+
+echo "Create the original files"
+BLKSZ=65536
+_pwrite_byte 0x61 0 $((BLKSZ * 3)) "$TESTDIR/file1" >> "$seqres.full"
+
+_cp_reflink "$TESTDIR/file1" "$TESTDIR/file2"
+
+_pwrite_byte 0x61 0 $((BLKSZ * 3)) "$TESTDIR/file2.chk" >> "$seqres.full"
+_pwrite_byte 0x00 $((BLKSZ - 17)) $((BLKSZ + 17)) "$TESTDIR/file2.chk" >> "$seqres.full"
+_test_remount
+
+md5sum "$TESTDIR/file1" | _filter_test_dir
+md5sum "$TESTDIR/file2" | _filter_test_dir
+md5sum "$TESTDIR/file2.chk" | _filter_test_dir
+
+C1="$(_md5_checksum "$TESTDIR/file1")"
+C2="$(_md5_checksum "$TESTDIR/file2")"
+
+test "${C1}" = "${C2}" || echo "file1 and file2 should match"
+
+echo "fpunch files"
+"$XFS_IO_PROG" -f -c "fpunch $((BLKSZ - 17)) $((BLKSZ + 17))" "$TESTDIR/file2"
+_test_remount
+
+echo "Compare files"
+md5sum "$TESTDIR/file1" | _filter_test_dir
+md5sum "$TESTDIR/file2" | _filter_test_dir
+md5sum "$TESTDIR/file2.chk" | _filter_test_dir
+
+C1="$(_md5_checksum "$TESTDIR/file1")"
+C2="$(_md5_checksum "$TESTDIR/file2")"
+
+test "${C1}" != "${C2}" || echo "file1 and file2 should not match"
+
+echo "Compare against check files"
+cmp -s "$TESTDIR/file2" "$TESTDIR/file2.chk" || echo "file2 and file2.chk do not match"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/847.out b/tests/generic/847.out
new file mode 100644
index 0000000..8139857
--- /dev/null
+++ b/tests/generic/847.out
@@ -0,0 +1,11 @@
+QA output created by 847
+Create the original files
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-847/file1
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-847/file2
+8cdf70c9cfb33bdc7397806b87e7c7ea TEST_DIR/test-847/file2.chk
+fpunch files
+Compare files
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-847/file1
+8cdf70c9cfb33bdc7397806b87e7c7ea TEST_DIR/test-847/file2
+8cdf70c9cfb33bdc7397806b87e7c7ea TEST_DIR/test-847/file2.chk
+Compare against check files
diff --git a/tests/generic/848 b/tests/generic/848
new file mode 100755
index 0000000..cb848fb
--- /dev/null
+++ b/tests/generic/848
@@ -0,0 +1,96 @@
+#! /bin/bash
+# FS QA Test No. 848
+#
+# Ensure that unaligned zero-range steps around reflinked ranges:
+# - Create a reflink clone of a file
+# - Perform an unaligned zero-range in the middle of the file.
+# - Check that the reflinked areas are still there.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#-----------------------------------------------------------------------
+
+seq=`basename "$0"`
+seqres="$RESULT_DIR/$seq"
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1 # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+ cd /
+ rm -rf "$tmp".* "$TESTDIR"
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_test_reflink
+_require_cp_reflink
+_require_xfs_io_command "fzero"
+
+rm -f "$seqres.full"
+
+TESTDIR="$TEST_DIR/test-$seq"
+rm -rf "$TESTDIR"
+mkdir "$TESTDIR"
+
+echo "Create the original files"
+BLKSZ=65536
+_pwrite_byte 0x61 0 $((BLKSZ * 3)) "$TESTDIR/file1" >> "$seqres.full"
+
+_cp_reflink "$TESTDIR/file1" "$TESTDIR/file2"
+
+_pwrite_byte 0x61 0 $((BLKSZ * 3)) "$TESTDIR/file2.chk" >> "$seqres.full"
+_pwrite_byte 0x00 $((BLKSZ - 17)) $((BLKSZ + 17)) "$TESTDIR/file2.chk" >> "$seqres.full"
+_test_remount
+
+md5sum "$TESTDIR/file1" | _filter_test_dir
+md5sum "$TESTDIR/file2" | _filter_test_dir
+md5sum "$TESTDIR/file2.chk" | _filter_test_dir
+
+C1="$(_md5_checksum "$TESTDIR/file1")"
+C2="$(_md5_checksum "$TESTDIR/file2")"
+
+test "${C1}" = "${C2}" || echo "file1 and file2 should match"
+
+echo "fzero files"
+"$XFS_IO_PROG" -f -c "fzero $((BLKSZ - 17)) $((BLKSZ + 17))" "$TESTDIR/file2"
+_test_remount
+
+echo "Compare files"
+md5sum "$TESTDIR/file1" | _filter_test_dir
+md5sum "$TESTDIR/file2" | _filter_test_dir
+md5sum "$TESTDIR/file2.chk" | _filter_test_dir
+
+C1="$(_md5_checksum "$TESTDIR/file1")"
+C2="$(_md5_checksum "$TESTDIR/file2")"
+
+test "${C1}" != "${C2}" || echo "file1 and file2 should not match"
+
+echo "Compare against check files"
+cmp -s "$TESTDIR/file2" "$TESTDIR/file2.chk" || echo "file2 and file2.chk do not match"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/848.out b/tests/generic/848.out
new file mode 100644
index 0000000..94c674b
--- /dev/null
+++ b/tests/generic/848.out
@@ -0,0 +1,11 @@
+QA output created by 848
+Create the original files
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-848/file1
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-848/file2
+8cdf70c9cfb33bdc7397806b87e7c7ea TEST_DIR/test-848/file2.chk
+fzero files
+Compare files
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-848/file1
+8cdf70c9cfb33bdc7397806b87e7c7ea TEST_DIR/test-848/file2
+8cdf70c9cfb33bdc7397806b87e7c7ea TEST_DIR/test-848/file2.chk
+Compare against check files
diff --git a/tests/generic/849 b/tests/generic/849
new file mode 100755
index 0000000..76f1e70
--- /dev/null
+++ b/tests/generic/849
@@ -0,0 +1,80 @@
+#! /bin/bash
+# FS QA Test No. 849
+#
+# Test the convention that reflink with length == 0 means "to the end of fileA"
+# - Create a file.
+# - Try to reflink "zero" bytes.
+# - Check that the reflink happened.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#-----------------------------------------------------------------------
+
+seq=`basename "$0"`
+seqres="$RESULT_DIR/$seq"
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1 # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+ cd /
+ rm -rf "$tmp".* "$TESTDIR"
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_test_reflink
+_require_cp_reflink
+
+rm -f "$seqres.full"
+
+TESTDIR="$TEST_DIR/test-$seq"
+rm -rf "$TESTDIR"
+mkdir "$TESTDIR"
+
+echo "Create the original files"
+BLKSZ=65536
+_pwrite_byte 0x61 0 $((BLKSZ * 256)) "$TESTDIR/file1" >> "$seqres.full"
+_pwrite_byte 0x62 0 $((BLKSZ * 256)) "$TESTDIR/file2" >> "$seqres.full"
+_pwrite_byte 0x62 0 $((BLKSZ * 2)) "$TESTDIR/file2.chk" >> "$seqres.full"
+_pwrite_byte 0x61 $((BLKSZ * 2)) $((BLKSZ * 255)) "$TESTDIR/file2.chk" >> "$seqres.full"
+_reflink_range "$TESTDIR/file1" $BLKSZ "$TESTDIR/file2" $((BLKSZ * 2)) 0 >> "$seqres.full"
+_test_remount
+
+md5sum "$TESTDIR/file1" | _filter_test_dir
+md5sum "$TESTDIR/file2" | _filter_test_dir
+md5sum "$TESTDIR/file2.chk" | _filter_test_dir
+
+C1="$(_md5_checksum "$TESTDIR/file1")"
+C2="$(_md5_checksum "$TESTDIR/file2")"
+
+test "${C1}" != "${C2}" || echo "file1 and file2 should not match"
+
+echo "Compare against check files"
+cmp -s "$TESTDIR/file2" "$TESTDIR/file2.chk" || echo "file2 and file2.chk do not match"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/849.out b/tests/generic/849.out
new file mode 100644
index 0000000..159305a
--- /dev/null
+++ b/tests/generic/849.out
@@ -0,0 +1,6 @@
+QA output created by 849
+Create the original files
+f4820540fc0ac02750739896fe028d56 TEST_DIR/test-849/file1
+dc881c004745c49f7f4e9cc766f57bc8 TEST_DIR/test-849/file2
+dc881c004745c49f7f4e9cc766f57bc8 TEST_DIR/test-849/file2.chk
+Compare against check files
diff --git a/tests/generic/850 b/tests/generic/850
new file mode 100755
index 0000000..954d41d
--- /dev/null
+++ b/tests/generic/850
@@ -0,0 +1,117 @@
+#! /bin/bash
+# FS QA Test No. 850
+#
+# Test the convention that reflink with length == 0 means "to the end of fileA"
+# - Create a file.
+# - Try to reflink "zero" bytes (which means reflink to EOF).
+# - Check that the reflink happened.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#-----------------------------------------------------------------------
+
+seq=`basename "$0"`
+seqres="$RESULT_DIR/$seq"
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1 # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+ cd /
+ rm -rf "$tmp".* "$TESTDIR"
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_test_reflink
+_require_cp_reflink
+
+rm -f "$seqres.full"
+
+TESTDIR="$TEST_DIR/test-$seq"
+rm -rf "$TESTDIR"
+mkdir "$TESTDIR"
+
+echo "Create the original files"
+BLKSZ=65536
+_pwrite_byte 0x61 0 $((BLKSZ * 256)) "$TESTDIR/file1" >> "$seqres.full"
+_pwrite_byte 0x62 0 $((BLKSZ * 257)) "$TESTDIR/file2" >> "$seqres.full"
+_pwrite_byte 0x62 0 $((BLKSZ * 257)) "$TESTDIR/file2.chk" >> "$seqres.full"
+_dedupe_range "$TESTDIR/file1" $BLKSZ "$TESTDIR/file2" $((BLKSZ * 2)) 0 >> "$seqres.full"
+_test_remount
+
+md5sum "$TESTDIR/file1" | _filter_test_dir
+md5sum "$TESTDIR/file2" | _filter_test_dir
+md5sum "$TESTDIR/file2.chk" | _filter_test_dir
+
+C1="$(_md5_checksum "$TESTDIR/file1")"
+C2="$(_md5_checksum "$TESTDIR/file2")"
+
+test "${C1}" != "${C2}" || echo "file1 and file2 should not match"
+
+echo "Compare against check files"
+cmp -s "$TESTDIR/file2" "$TESTDIR/file2.chk" || echo "file2 and file2.chk do not match"
+
+echo "Make the original file almost dedup-able"
+_pwrite_byte 0x61 0 $((BLKSZ * 256)) "$TESTDIR/file1" >> "$seqres.full"
+_pwrite_byte 0x61 0 $((BLKSZ * 256)) "$TESTDIR/file2" >> "$seqres.full"
+_pwrite_byte 0x61 0 $((BLKSZ * 256)) "$TESTDIR/file2.chk" >> "$seqres.full"
+_dedupe_range "$TESTDIR/file1" $BLKSZ "$TESTDIR/file2" $((BLKSZ * 2)) 0 >> "$seqres.full"
+_test_remount
+
+md5sum "$TESTDIR/file1" | _filter_test_dir
+md5sum "$TESTDIR/file2" | _filter_test_dir
+md5sum "$TESTDIR/file2.chk" | _filter_test_dir
+
+C1="$(_md5_checksum "$TESTDIR/file1")"
+C2="$(_md5_checksum "$TESTDIR/file2")"
+
+test "${C1}" != "${C2}" || echo "file1 and file2 should not match"
+
+echo "Compare against check files"
+cmp -s "$TESTDIR/file2" "$TESTDIR/file2.chk" || echo "file2 and file2.chk do not match"
+
+echo "Make the original file dedup-able"
+_pwrite_byte 0x61 0 $((BLKSZ * 256)) "$TESTDIR/file1" >> "$seqres.full"
+_pwrite_byte 0x61 0 $((BLKSZ * 257)) "$TESTDIR/file2" >> "$seqres.full"
+_pwrite_byte 0x61 0 $((BLKSZ * 257)) "$TESTDIR/file2.chk" >> "$seqres.full"
+_dedupe_range "$TESTDIR/file1" $BLKSZ "$TESTDIR/file2" $((BLKSZ * 2)) 0 >> "$seqres.full"
+_test_remount
+
+md5sum "$TESTDIR/file1" | _filter_test_dir
+md5sum "$TESTDIR/file2" | _filter_test_dir
+md5sum "$TESTDIR/file2.chk" | _filter_test_dir
+
+C1="$(_md5_checksum "$TESTDIR/file1")"
+C2="$(_md5_checksum "$TESTDIR/file2")"
+
+test "${C1}" = "${C2}" || echo "file1 and file2 should match"
+
+echo "Compare against check files"
+cmp -s "$TESTDIR/file2" "$TESTDIR/file2.chk" || echo "file2 and file2.chk do not match"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/850.out b/tests/generic/850.out
new file mode 100644
index 0000000..126187e
--- /dev/null
+++ b/tests/generic/850.out
@@ -0,0 +1,17 @@
+QA output created by 850
+Create the original files
+f4820540fc0ac02750739896fe028d56 TEST_DIR/test-850/file1
+69ad53078a16243d98e21d9f8704a071 TEST_DIR/test-850/file2
+69ad53078a16243d98e21d9f8704a071 TEST_DIR/test-850/file2.chk
+Compare against check files
+Make the original file almost dedup-able
+f4820540fc0ac02750739896fe028d56 TEST_DIR/test-850/file1
+158d4e3578b94b89cbb44493a2110fb9 TEST_DIR/test-850/file2
+158d4e3578b94b89cbb44493a2110fb9 TEST_DIR/test-850/file2.chk
+Compare against check files
+Make the original file dedup-able
+f4820540fc0ac02750739896fe028d56 TEST_DIR/test-850/file1
+113c7055ffe3d24d2dec27e82ab55abd TEST_DIR/test-850/file2
+113c7055ffe3d24d2dec27e82ab55abd TEST_DIR/test-850/file2.chk
+file1 and file2 should match
+Compare against check files
diff --git a/tests/generic/group b/tests/generic/group
index 355603f..bf33541 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -257,3 +257,8 @@
323 auto aio stress
324 auto fsr quick
325 auto quick data log
+820 auto quick clone
+847 auto quick clone
+848 auto quick clone
+849 auto quick clone
+850 auto quick clone
--
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