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Message-ID: <20150630041547.2476.32693.stgit@birch.djwong.org>
Date: Mon, 29 Jun 2015 21:15:47 -0700
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 04/11] basic tests of the reflink and dedupe ioctls
Test the operation of the btrfs (and now xfs) reflink and dedupe
ioctls at various file offsets and with matching and nonmatching
files.
Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
---
common/rc | 44 +++++++++++++++++
tests/generic/803 | 81 +++++++++++++++++++++++++++++++
tests/generic/803.out | 11 ++++
tests/generic/804 | 86 ++++++++++++++++++++++++++++++++
tests/generic/804.out | 13 +++++
tests/generic/805 | 113 +++++++++++++++++++++++++++++++++++++++++++
tests/generic/805.out | 26 ++++++++++
tests/generic/806 | 81 +++++++++++++++++++++++++++++++
tests/generic/806.out | 11 ++++
tests/generic/807 | 87 +++++++++++++++++++++++++++++++++
tests/generic/807.out | 15 ++++++
tests/generic/817 | 89 ++++++++++++++++++++++++++++++++++
tests/generic/817.out | 10 ++++
tests/generic/818 | 94 +++++++++++++++++++++++++++++++++++
tests/generic/818.out | 12 +++++
tests/generic/819 | 130 +++++++++++++++++++++++++++++++++++++++++++++++++
tests/generic/819.out | 7 +++
tests/generic/820 | 118 ++++++++++++++++++++++++++++++++++++++++++++
tests/generic/820.out | 7 +++
tests/generic/group | 9 +++
20 files changed, 1044 insertions(+)
create mode 100755 tests/generic/803
create mode 100644 tests/generic/803.out
create mode 100755 tests/generic/804
create mode 100644 tests/generic/804.out
create mode 100755 tests/generic/805
create mode 100644 tests/generic/805.out
create mode 100755 tests/generic/806
create mode 100644 tests/generic/806.out
create mode 100755 tests/generic/807
create mode 100644 tests/generic/807.out
create mode 100755 tests/generic/817
create mode 100644 tests/generic/817.out
create mode 100755 tests/generic/818
create mode 100644 tests/generic/818.out
create mode 100755 tests/generic/819
create mode 100644 tests/generic/819.out
create mode 100755 tests/generic/820
create mode 100644 tests/generic/820.out
diff --git a/common/rc b/common/rc
index 8f20dc8..7521033 100644
--- a/common/rc
+++ b/common/rc
@@ -2604,6 +2604,50 @@ _verify_reflink()
|| echo "$1 and $2 are not reflinks: different extents"
}
+# Check that a particular range is shared
+# args: filename, start, end
+_check_shared_extent()
+{
+ $XFS_IO_PROG -f -c 'fiemap -v' $1 | tr '[].:' ' ' | \
+ awk "BEGIN {x = 0;} {start = \$2 * 512; end = (\$3 + 1) * 512; if (and(strtonum(\$7), 0x2000) && start < ($3 + $2) && end > $2) {x++;}} END {print x;}"
+}
+
+# Retrieve the pblk(s) associated with a file's lblk range
+# args: filename, start, len, cache_file
+_extent_physical()
+{
+ if [ -z "$3" ]; then
+ len="512"
+ else
+ len="$3"
+ fi
+ fiemap_cache_file="$4"
+ rm_cache_file=0
+ if [ -z "$fiemap_cache_file" ]; then
+ fiemap_cache_file="/tmp/fiemap.$$"
+ rm_cache_file=1
+ fi
+ if [ ! -e "$fiemap_cache_file" ]; then
+ $XFS_IO_PROG -f -c 'fiemap -v' "$1" | tr '[].:' ' ' | tail -n +3 > "$fiemap_cache_file"
+ fi
+ cat "$fiemap_cache_file" | \
+ awk "BEGIN {x = 0;} {start = \$2 * 512; end = (\$3 + 1) * 512; phys = \$4 * 512; if (start < ($len + $2) && end > $2) {if (\$4 == \"hole\") {printf(\"-1\n\");} else {printf(\"%d\n\", phys + $2 - start);}}}"
+ if [ "$rm_cache_file" -eq 1 ]; then
+ rm "$fiemap_cache_file"
+ fi
+}
+
+_numbers_equal()
+{
+ n="$1"
+ shift
+ i=1
+ for num in "$@"; do
+ test "$num" -eq "$n" || echo "num #$i does not match #0"
+ i=$((i + 1))
+ done
+}
+
_require_atime()
{
if [ "$FSTYP" == "nfs" ]; then
diff --git a/tests/generic/803 b/tests/generic/803
new file mode 100755
index 0000000..47d89a7
--- /dev/null
+++ b/tests/generic/803
@@ -0,0 +1,81 @@
+#! /bin/bash
+# FS QA Test No. 803
+#
+# Ensure that we can reflink parts of two files:
+# - Reflink identical parts of two identical files
+# - Check that we end up with identical contents
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#-----------------------------------------------------------------------
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+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
+
+# real QA test starts here
+_require_test_reflink
+_supported_os Linux
+
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "reflink"
+_require_test
+
+rm -f $seqres.full
+
+TESTDIR=$TEST_DIR/test-$seq
+rm -rf $TESTDIR
+mkdir $TESTDIR
+
+echo "Create the original files"
+$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 196608' $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 196608' $TESTDIR/file2 >> $seqres.full
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+
+echo "Reflink the middle blocks together"
+$XFS_IO_PROG -f -c "reflink $TESTDIR/file1 65536 65536 65536" $TESTDIR/file2 >> $seqres.full
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+
+echo "Check shared extents"
+_check_shared_extent $TESTDIR/file1 65536 65536
+_check_shared_extent $TESTDIR/file2 65536 65536
+
+echo "Check shared extent physical mapping matches"
+_numbers_equal "$(_extent_physical $TESTDIR/file1 65536 65536)" \
+ "$(_extent_physical $TESTDIR/file2 65536 65536)"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/803.out b/tests/generic/803.out
new file mode 100644
index 0000000..894d180
--- /dev/null
+++ b/tests/generic/803.out
@@ -0,0 +1,11 @@
+QA output created by 803
+Create the original files
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-803/file1
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-803/file2
+Reflink the middle blocks together
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-803/file1
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-803/file2
+Check shared extents
+1
+1
+Check shared extent physical mapping matches
diff --git a/tests/generic/804 b/tests/generic/804
new file mode 100755
index 0000000..56a32f9
--- /dev/null
+++ b/tests/generic/804
@@ -0,0 +1,86 @@
+#! /bin/bash
+# FS QA Test No. 804
+#
+# Ensuring that we can reflink non-matching parts of files:
+# - Reflink identical parts of two different files
+# - Check that we end up with identical contents in the reflink section
+#
+#-----------------------------------------------------------------------
+# 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
+
+# real QA test starts here
+_require_test_reflink
+_supported_os Linux
+
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "reflink"
+_require_test
+
+rm -f $seqres.full
+
+TESTDIR=$TEST_DIR/test-$seq
+rm -rf $TESTDIR
+mkdir $TESTDIR
+
+echo "Create the original files"
+$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 196608' $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c 'pwrite -S 0x62 0 196608' $TESTDIR/file2 >> $seqres.full
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+
+echo "Reflink the middle blocks together"
+$XFS_IO_PROG -f -c "reflink $TESTDIR/file1 65536 65536 65536" $TESTDIR/file2 >> $seqres.full
+
+echo "Checksum both files"
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+
+echo "Compare the reflinked sections"
+diff -u <($XFS_IO_PROG -f -c 'pread -q -v 65536 65536' $TESTDIR/file1) \
+ <($XFS_IO_PROG -f -c 'pread -q -v 65536 65536' $TESTDIR/file2)
+
+echo "Check shared extents"
+_check_shared_extent $TESTDIR/file1 65536 65536
+_check_shared_extent $TESTDIR/file2 65536 65536
+
+echo "Check shared extent physical mapping matches"
+_numbers_equal "$(_extent_physical $TESTDIR/file1 65536 65536)" \
+ "$(_extent_physical $TESTDIR/file2 65536 65536)"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/804.out b/tests/generic/804.out
new file mode 100644
index 0000000..d60fe8e
--- /dev/null
+++ b/tests/generic/804.out
@@ -0,0 +1,13 @@
+QA output created by 804
+Create the original files
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-804/file1
+f419d4baba769b4f017ac91ee1acdcb1 TEST_DIR/test-804/file2
+Reflink the middle blocks together
+Checksum both files
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-804/file1
+86f2e64aa5e9daa4f21a0cdd54a3bd99 TEST_DIR/test-804/file2
+Compare the reflinked sections
+Check shared extents
+1
+1
+Check shared extent physical mapping matches
diff --git a/tests/generic/805 b/tests/generic/805
new file mode 100755
index 0000000..7658fb3
--- /dev/null
+++ b/tests/generic/805
@@ -0,0 +1,113 @@
+#! /bin/bash
+# FS QA Test No. 805
+#
+# Reflinking two sets of files together:
+# - Reflink identical parts of two identical files
+# - Reflink identical parts of two other identical files
+# - Reflink identical parts of all four files
+# - Check that we end up with identical contents
+#
+#-----------------------------------------------------------------------
+# 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
+
+# real QA test starts here
+_require_test_reflink
+_supported_os Linux
+
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "reflink"
+_require_test
+
+rm -f $seqres.full
+
+TESTDIR=$TEST_DIR/test-$seq
+rm -rf $TESTDIR
+mkdir $TESTDIR
+
+echo "Create the original files"
+$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 196608' $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 196608' $TESTDIR/file2 >> $seqres.full
+$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 196608' $TESTDIR/file3 >> $seqres.full
+$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 196608' $TESTDIR/file4 >> $seqres.full
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+md5sum $TESTDIR/file4 | _filter_test_dir
+
+echo "Reflink the first blocks together"
+$XFS_IO_PROG -f -c "reflink $TESTDIR/file1 0 0 131072" $TESTDIR/file2 >> $seqres.full
+$XFS_IO_PROG -f -c "reflink $TESTDIR/file3 0 0 131072" $TESTDIR/file4 >> $seqres.full
+sync
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+md5sum $TESTDIR/file4 | _filter_test_dir
+
+echo "Reflink the middle blocks together"
+$XFS_IO_PROG -f -c "reflink $TESTDIR/file1 0 0 65536" $TESTDIR/file3 >> $seqres.full
+$XFS_IO_PROG -f -c "reflink $TESTDIR/file1 0 0 65536" $TESTDIR/file4 >> $seqres.full
+sync
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+md5sum $TESTDIR/file4 | _filter_test_dir
+
+echo "Check shared extents"
+_check_shared_extent $TESTDIR/file1 0 65536
+_check_shared_extent $TESTDIR/file2 0 65536
+_check_shared_extent $TESTDIR/file3 0 65536
+_check_shared_extent $TESTDIR/file4 0 65536
+_check_shared_extent $TESTDIR/file1 65536 65536
+_check_shared_extent $TESTDIR/file2 65536 65536
+_check_shared_extent $TESTDIR/file3 65536 65536
+_check_shared_extent $TESTDIR/file4 65536 65536
+
+echo "Check shared extent physical mapping matches"
+_numbers_equal "$(_extent_physical $TESTDIR/file1 0 65536)" \
+ "$(_extent_physical $TESTDIR/file2 0 65536)" \
+ "$(_extent_physical $TESTDIR/file3 0 65536)" \
+ "$(_extent_physical $TESTDIR/file4 0 65536)"
+_numbers_equal "$(_extent_physical $TESTDIR/file1 65536 65536)" \
+ "$(_extent_physical $TESTDIR/file2 65536 65536)"
+_numbers_equal "$(_extent_physical $TESTDIR/file3 65536 65536)" \
+ "$(_extent_physical $TESTDIR/file4 65536 65536)"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/805.out b/tests/generic/805.out
new file mode 100644
index 0000000..ac6176f
--- /dev/null
+++ b/tests/generic/805.out
@@ -0,0 +1,26 @@
+QA output created by 805
+Create the original files
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-805/file1
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-805/file2
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-805/file3
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-805/file4
+Reflink the first blocks together
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-805/file1
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-805/file2
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-805/file3
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-805/file4
+Reflink the middle blocks together
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-805/file1
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-805/file2
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-805/file3
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-805/file4
+Check shared extents
+1
+1
+1
+1
+1
+1
+1
+1
+Check shared extent physical mapping matches
diff --git a/tests/generic/806 b/tests/generic/806
new file mode 100755
index 0000000..f11cceb
--- /dev/null
+++ b/tests/generic/806
@@ -0,0 +1,81 @@
+#! /bin/bash
+# FS QA Test No. 806
+#
+# Ensure that we can dedupe parts of two files:
+# - Dedupe identical parts of two identical files
+# - Check that we end up with identical contents
+#
+#-----------------------------------------------------------------------
+# 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
+
+# real QA test starts here
+_require_test_reflink
+_supported_os Linux
+
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "dedupe"
+_require_test
+
+rm -f $seqres.full
+
+TESTDIR=$TEST_DIR/test-$seq
+rm -rf $TESTDIR
+mkdir $TESTDIR
+
+echo "Create the original files"
+$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 196608' $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 196608' $TESTDIR/file2 >> $seqres.full
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+
+echo "Dedupe the middle blocks together"
+$XFS_IO_PROG -f -c "dedupe $TESTDIR/file1 65536 65536 65536" $TESTDIR/file2 >> $seqres.full
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+
+echo "Check shared extents"
+_check_shared_extent $TESTDIR/file1 65536 65536
+_check_shared_extent $TESTDIR/file2 65536 65536
+
+echo "Check shared extent physical mapping matches"
+_numbers_equal "$(_extent_physical $TESTDIR/file1 65536 65536)" \
+ "$(_extent_physical $TESTDIR/file2 65536 65536)"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/806.out b/tests/generic/806.out
new file mode 100644
index 0000000..c71bec4
--- /dev/null
+++ b/tests/generic/806.out
@@ -0,0 +1,11 @@
+QA output created by 806
+Create the original files
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-806/file1
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-806/file2
+Dedupe the middle blocks together
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-806/file1
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-806/file2
+Check shared extents
+1
+1
+Check shared extent physical mapping matches
diff --git a/tests/generic/807 b/tests/generic/807
new file mode 100755
index 0000000..3f6e1d3
--- /dev/null
+++ b/tests/generic/807
@@ -0,0 +1,87 @@
+#! /bin/bash
+# FS QA Test No. 807
+#
+# Ensuring that we cannot dedupe non-matching parts of files:
+# - Fail to dedupe non-identical parts of two different files
+# - Check that nothing changes in either file
+#
+#-----------------------------------------------------------------------
+# 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
+
+# real QA test starts here
+_require_test_reflink
+_supported_os Linux
+
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "dedupe"
+_require_test
+
+rm -f $seqres.full
+
+TESTDIR=$TEST_DIR/test-$seq
+rm -rf $TESTDIR
+mkdir $TESTDIR
+
+echo "Create the original files"
+$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 196608' $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c 'pwrite -S 0x62 0 196608' $TESTDIR/file2 >> $seqres.full
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+
+echo "Dedupe the middle blocks together"
+$XFS_IO_PROG -f -c "dedupe $TESTDIR/file1 65536 65536 65536" $TESTDIR/file2 >> $seqres.full
+
+echo "Checksum both files"
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+
+echo "Compare the deduped sections"
+cmp -s <($XFS_IO_PROG -f -c 'pread -q -v 65536 65536' $TESTDIR/file1) \
+ <($XFS_IO_PROG -f -c 'pread -q -v 65536 65536' $TESTDIR/file2) \
+ || echo "Sections do not match (intentional)"
+
+echo "Check shared extents"
+_check_shared_extent $TESTDIR/file1 65536 65536
+_check_shared_extent $TESTDIR/file2 65536 65536
+
+echo "Check shared extent physical mapping matches"
+_numbers_equal "$(_extent_physical $TESTDIR/file1 65536 65536)" \
+ "$(_extent_physical $TESTDIR/file2 65536 65536)"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/807.out b/tests/generic/807.out
new file mode 100644
index 0000000..61727be
--- /dev/null
+++ b/tests/generic/807.out
@@ -0,0 +1,15 @@
+QA output created by 807
+Create the original files
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-807/file1
+f419d4baba769b4f017ac91ee1acdcb1 TEST_DIR/test-807/file2
+Dedupe the middle blocks together
+Checksum both files
+998b4ba52f2940dc515001e75926b19f TEST_DIR/test-807/file1
+f419d4baba769b4f017ac91ee1acdcb1 TEST_DIR/test-807/file2
+Compare the deduped sections
+Sections do not match (intentional)
+Check shared extents
+0
+0
+Check shared extent physical mapping matches
+num #1 does not match #0
diff --git a/tests/generic/817 b/tests/generic/817
new file mode 100755
index 0000000..64ed4bb
--- /dev/null
+++ b/tests/generic/817
@@ -0,0 +1,89 @@
+#! /bin/bash
+# FS QA Test No. 817
+#
+# Ensure that we can reflink the last block of a file whose size isn't block-aligned.
+# - Create a file whose size isn't block-aligned
+# - Reflink the last block
+# - Check that we end up with identical contents
+#
+#-----------------------------------------------------------------------
+# 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
+
+# real QA test starts here
+_require_test_reflink
+_supported_os Linux
+
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "reflink"
+_require_test
+
+rm -f $seqres.full
+
+TESTDIR=$TEST_DIR/test-$seq
+rm -rf $TESTDIR
+mkdir $TESTDIR
+
+echo "Create the original files"
+BLKSZ="$(stat -f $TESTDIR -c '%S')"
+$XFS_IO_PROG -f -c "pwrite -S 0x61 0 $((BLKSZ + 37))" $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x61 0 $((BLKSZ + 37))" $TESTDIR/file2 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x62 0 $((BLKSZ + 37))" $TESTDIR/file3 >> $seqres.full
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+
+echo "Reflink the last blocks together"
+$XFS_IO_PROG -f -c "reflink $TESTDIR/file1 0 0 $BLKSZ" $TESTDIR/file2 >> $seqres.full
+$XFS_IO_PROG -f -c "reflink $TESTDIR/file1 0 0 $BLKSZ" $TESTDIR/file3 >> $seqres.full
+$XFS_IO_PROG -f -c "reflink $TESTDIR/file1 $BLKSZ $BLKSZ 37" $TESTDIR/file2 >> $seqres.full
+$XFS_IO_PROG -f -c "reflink $TESTDIR/file1 $BLKSZ $BLKSZ 37" $TESTDIR/file3 >> $seqres.full
+sync
+echo 3 > /proc/sys/vm/drop_caches
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+
+echo "Check shared extent physical mapping matches"
+_numbers_equal "$(_extent_physical $TESTDIR/file1 $BLKSZ)" \
+ "$(_extent_physical $TESTDIR/file2 $BLKSZ)"
+_numbers_equal "$(_extent_physical $TESTDIR/file1 $BLKSZ)" \
+ "$(_extent_physical $TESTDIR/file3 $BLKSZ)"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/817.out b/tests/generic/817.out
new file mode 100644
index 0000000..97ca8e2
--- /dev/null
+++ b/tests/generic/817.out
@@ -0,0 +1,10 @@
+QA output created by 817
+Create the original files
+ce51fe7e361c6f39e48d003f0c9626d7 TEST_DIR/test-817/file1
+ce51fe7e361c6f39e48d003f0c9626d7 TEST_DIR/test-817/file2
+2eb81ff80b06cee4f341410c6e82cda9 TEST_DIR/test-817/file3
+Reflink the last blocks together
+ce51fe7e361c6f39e48d003f0c9626d7 TEST_DIR/test-817/file1
+ce51fe7e361c6f39e48d003f0c9626d7 TEST_DIR/test-817/file2
+ce51fe7e361c6f39e48d003f0c9626d7 TEST_DIR/test-817/file3
+Check shared extent physical mapping matches
diff --git a/tests/generic/818 b/tests/generic/818
new file mode 100755
index 0000000..1904b76
--- /dev/null
+++ b/tests/generic/818
@@ -0,0 +1,94 @@
+#! /bin/bash
+# FS QA Test No. 818
+#
+# Ensure that we can dedupe the last block of a file whose size isn't block-aligned.
+# - Create a file whose size isn't block-aligned
+# - Create a second file identical to the first
+# - Create a different file of the same size
+# - Dedupe the last block of the first and second files
+# - Try to dedupe the last block of the first and third files
+# - Check that we end up with identical contents in files 1-2, and not
+# the same in 2-3.
+#
+#-----------------------------------------------------------------------
+# 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
+
+# real QA test starts here
+_require_test_reflink
+_supported_os Linux
+
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "dedupe"
+_require_test
+
+rm -f $seqres.full
+
+TESTDIR=$TEST_DIR/test-$seq
+rm -rf $TESTDIR
+mkdir $TESTDIR
+
+echo "Create the original files"
+BLKSZ="$(stat -f $TESTDIR -c '%S')"
+$XFS_IO_PROG -f -c "pwrite -S 0x61 0 $((BLKSZ + 37))" $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x61 0 $((BLKSZ + 37))" $TESTDIR/file2 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x62 0 $((BLKSZ + 37))" $TESTDIR/file3 >> $seqres.full
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+
+echo "Dedupe the last blocks together"
+$XFS_IO_PROG -f -c "dedupe $TESTDIR/file1 0 0 $BLKSZ" $TESTDIR/file2 >> $seqres.full
+$XFS_IO_PROG -f -c "dedupe $TESTDIR/file1 0 0 $BLKSZ" $TESTDIR/file3 >> $seqres.full
+$XFS_IO_PROG -f -c "dedupe $TESTDIR/file1 $BLKSZ $BLKSZ 37" $TESTDIR/file2 >> $seqres.full
+$XFS_IO_PROG -f -c "dedupe $TESTDIR/file1 $BLKSZ $BLKSZ 37" $TESTDIR/file3 >> $seqres.full
+sync
+echo 3 > /proc/sys/vm/drop_caches
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+
+echo "Check shared extent physical mapping matches"
+_numbers_equal "$(_extent_physical $TESTDIR/file1 0)" \
+ "$(_extent_physical $TESTDIR/file2 0)"
+echo "Check unshared extent physical mapping doesn't match"
+_numbers_equal "$(_extent_physical $TESTDIR/file1 $BLKSZ)" \
+ "$(_extent_physical $TESTDIR/file3 $BLKSZ)"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/818.out b/tests/generic/818.out
new file mode 100644
index 0000000..d3d2de5
--- /dev/null
+++ b/tests/generic/818.out
@@ -0,0 +1,12 @@
+QA output created by 818
+Create the original files
+ce51fe7e361c6f39e48d003f0c9626d7 TEST_DIR/test-818/file1
+ce51fe7e361c6f39e48d003f0c9626d7 TEST_DIR/test-818/file2
+2eb81ff80b06cee4f341410c6e82cda9 TEST_DIR/test-818/file3
+Dedupe the last blocks together
+ce51fe7e361c6f39e48d003f0c9626d7 TEST_DIR/test-818/file1
+ce51fe7e361c6f39e48d003f0c9626d7 TEST_DIR/test-818/file2
+2eb81ff80b06cee4f341410c6e82cda9 TEST_DIR/test-818/file3
+Check shared extent physical mapping matches
+Check unshared extent physical mapping doesn't match
+num #1 does not match #0
diff --git a/tests/generic/819 b/tests/generic/819
new file mode 100755
index 0000000..5f63542
--- /dev/null
+++ b/tests/generic/819
@@ -0,0 +1,130 @@
+#! /bin/bash
+# FS QA Test No. 819
+#
+# Ensure that we can reflink and dedupe blocks within the same file...
+# - Create a file with three distinct blocks ABB
+# - Reflink block zero to the multiple-of-three blocks
+# - Reflink block one to the multiple-of-five blocks
+# - Dedupe block two to the multiple-of-seven blocks
+# - Check that we successfully avoid deduping with holes, unwritten
+# extents, and non-matches; but actually dedupe real matches.
+#
+#-----------------------------------------------------------------------
+# 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
+
+if [ $FSTYP = "btrfs" ]; then
+ _notrun "btrfs doesn't support dedupe within the same file"
+fi
+
+# real QA test starts here
+_require_test_reflink
+_supported_os Linux
+
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "reflink"
+_require_xfs_io_command "dedupe"
+_require_xfs_io_command "falloc"
+_require_test
+
+rm -f $seqres.full
+
+TESTDIR=$TEST_DIR/test-$seq
+rm -rf $TESTDIR
+mkdir $TESTDIR
+
+echo "Create the original file blocks"
+BLKSZ="$(stat -f $TESTDIR -c '%S')"
+$XFS_IO_PROG -f -c "pwrite -S 0x61 0 $BLKSZ" $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x62 $BLKSZ $((BLKSZ * 2))" $TESTDIR/file1 >> $seqres.full
+
+NR_BLKS=1024
+
+echo "fallocate half the file"
+$XFS_IO_PROG -f -c "falloc $((NR_BLKS * BLKSZ / 2)) $((NR_BLKS * BLKSZ / 2))" $TESTDIR/file1 >> $seqres.full
+
+echo "Reflink block zero to the threes"
+seq 1 $((NR_BLKS / 3)) | while read nr; do
+ $XFS_IO_PROG -f -c "reflink $TESTDIR/file1 0 $((nr * 3 * BLKSZ)) $BLKSZ" $TESTDIR/file1 >> $seqres.full
+done
+
+echo "Reflink block one to the fives"
+seq 1 $((NR_BLKS / 5)) | while read nr; do
+ $XFS_IO_PROG -f -c "reflink $TESTDIR/file1 $BLKSZ $((nr * 5 * BLKSZ)) $BLKSZ" $TESTDIR/file1 >> $seqres.full
+done
+
+echo "Dedupe block two to the sevens"
+seq 1 $((NR_BLKS / 7)) | while read nr; do
+ $XFS_IO_PROG -f -c "dedupe $TESTDIR/file1 $((BLKSZ * 2)) $((nr * 7 * BLKSZ)) $BLKSZ" $TESTDIR/file1 >> $seqres.full
+done
+
+sync
+echo 3 > /proc/sys/vm/drop_caches
+
+echo "Check block mappings"
+pblk0=$(_extent_physical $TESTDIR/file1 0 "" $TESTDIR/file1.fiemap)
+pblk1=$(_extent_physical $TESTDIR/file1 $BLKSZ "" $TESTDIR/file1.fiemap)
+pblk2=$(_extent_physical $TESTDIR/file1 $((BLKSZ * 2)) "" $TESTDIR/file1.fiemap)
+check_block() {
+ lblk="$1"
+ rem7=$((lblk % 7))
+ rem5=$((lblk % 5))
+ rem3=$((lblk % 3))
+
+ pblk=$(_extent_physical $TESTDIR/file1 "$((lblk * BLKSZ))" "" $TESTDIR/file1.fiemap)
+ if [ $rem7 -eq 0 ]; then
+ if [ $rem5 -eq 0 ]; then
+ _numbers_equal $pblk2 $pblk
+ elif [ $rem3 -eq 0 ]; then
+ _numbers_equal $pblk0 $pblk
+ elif [ $lblk -lt $((NR_BLKS / 2)) ]; then
+ _numbers_equal $pblk -1
+ fi
+ elif [ $rem5 -eq 0 ]; then
+ _numbers_equal $pblk1 $pblk
+ elif [ $rem3 -eq 0 ]; then
+ _numbers_equal $pblk0 $pblk
+ elif [ $lblk -lt $((NR_BLKS / 2)) ]; then
+ _numbers_equal -1 $pblk
+ fi
+}
+seq 3 $((NR_BLKS - 1)) | while read lblk; do
+ err="$(check_block $lblk)"
+ test -n "$err" && echo "$lblk: $err"
+done
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/819.out b/tests/generic/819.out
new file mode 100644
index 0000000..0ee5b14
--- /dev/null
+++ b/tests/generic/819.out
@@ -0,0 +1,7 @@
+QA output created by 819
+Create the original file blocks
+fallocate half the file
+Reflink block zero to the threes
+Reflink block one to the fives
+Dedupe block two to the sevens
+Check block mappings
diff --git a/tests/generic/820 b/tests/generic/820
new file mode 100755
index 0000000..9bcb513
--- /dev/null
+++ b/tests/generic/820
@@ -0,0 +1,118 @@
+#! /bin/bash
+# FS QA Test No. 820
+#
+# Ensure that we can reflink blocks within the same file...
+# - Create a file with three distinct blocks ABB
+# - Reflink block zero to the multiple-of-three blocks
+# - Reflink block one to the multiple-of-five blocks
+# - Reflink block two to the multiple-of-seven blocks
+# - Check that we successfully reflinked all the blocks.
+#
+#-----------------------------------------------------------------------
+# 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
+
+# real QA test starts here
+_require_test_reflink
+_supported_os Linux
+
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "reflink"
+_require_xfs_io_command "falloc"
+_require_test
+
+rm -f $seqres.full
+
+TESTDIR=$TEST_DIR/test-$seq
+rm -rf $TESTDIR
+mkdir $TESTDIR
+
+echo "Create the original file blocks"
+BLKSZ="$(stat -f $TESTDIR -c '%S')"
+$XFS_IO_PROG -f -c "pwrite -S 0x61 0 $BLKSZ" $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x62 $BLKSZ $((BLKSZ * 2))" $TESTDIR/file1 >> $seqres.full
+
+NR_BLKS=1024
+
+echo "fallocate half the file"
+$XFS_IO_PROG -f -c "falloc $((NR_BLKS * BLKSZ / 2)) $((NR_BLKS * BLKSZ / 2))" $TESTDIR/file1 >> $seqres.full
+
+echo "Reflink block zero to the threes"
+seq 1 $((NR_BLKS / 3)) | while read nr; do
+ $XFS_IO_PROG -f -c "reflink $TESTDIR/file1 0 $((nr * 3 * BLKSZ)) $BLKSZ" $TESTDIR/file1 >> $seqres.full
+done
+
+echo "Reflink block one to the fives"
+seq 1 $((NR_BLKS / 5)) | while read nr; do
+ $XFS_IO_PROG -f -c "reflink $TESTDIR/file1 $BLKSZ $((nr * 5 * BLKSZ)) $BLKSZ" $TESTDIR/file1 >> $seqres.full
+done
+
+echo "Dedupe block two to the sevens"
+seq 1 $((NR_BLKS / 7)) | while read nr; do
+ $XFS_IO_PROG -f -c "reflink $TESTDIR/file1 $((BLKSZ * 2)) $((nr * 7 * BLKSZ)) $BLKSZ" $TESTDIR/file1 >> $seqres.full
+done
+
+sync
+echo 3 > /proc/sys/vm/drop_caches
+
+echo "Check block mappings"
+pblk0=$(_extent_physical $TESTDIR/file1 0 "" $TESTDIR/file1.fiemap)
+pblk1=$(_extent_physical $TESTDIR/file1 $BLKSZ "" $TESTDIR/file1.fiemap)
+pblk2=$(_extent_physical $TESTDIR/file1 $((BLKSZ * 2)) "" $TESTDIR/file1.fiemap)
+check_block() {
+ lblk="$1"
+ rem7=$((lblk % 7))
+ rem5=$((lblk % 5))
+ rem3=$((lblk % 3))
+
+ pblk=$(_extent_physical $TESTDIR/file1 "$((lblk * BLKSZ))" "" $TESTDIR/file1.fiemap)
+ if [ $rem7 -eq 0 ]; then
+ _numbers_equal $pblk2 $pblk
+ elif [ $rem5 -eq 0 ]; then
+ _numbers_equal $pblk1 $pblk
+ elif [ $rem3 -eq 0 ]; then
+ _numbers_equal $pblk0 $pblk
+ elif [ $lblk -lt $((NR_BLKS / 2)) ]; then
+ _numbers_equal -1 $pblk
+ fi
+}
+seq 3 $((NR_BLKS - 1)) | while read lblk; do
+ err="$(check_block $lblk)"
+ test -n "$err" && echo "$lblk: $err"
+done
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/820.out b/tests/generic/820.out
new file mode 100644
index 0000000..1f2784d
--- /dev/null
+++ b/tests/generic/820.out
@@ -0,0 +1,7 @@
+QA output created by 820
+Create the original file blocks
+fallocate half the file
+Reflink block zero to the threes
+Reflink block one to the fives
+Dedupe block two to the sevens
+Check block mappings
diff --git a/tests/generic/group b/tests/generic/group
index 433ac30..98d875a 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -197,3 +197,12 @@
800 auto quick clone
801 auto quick clone
802 auto quick clone
+803 auto quick clone
+804 auto quick clone
+805 auto quick clone
+806 auto quick clone
+807 auto quick clone
+817 auto quick clone
+818 auto quick clone
+819 auto quick clone
+820 auto quick clone
--
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