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Message-ID: <20150630041601.2476.52977.stgit@birch.djwong.org>
Date: Mon, 29 Jun 2015 21:16:01 -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 06/11] reflink fallocate tests
Check that the variants of fallocate (allocate, punch, zero range,
collapse range, insert range) do the right thing when they're run
against a range of reflinked blocks.
Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
---
tests/generic/811 | 104 +++++++++++++++++++++++++++++++++++++++++++++++
tests/generic/811.out | 39 ++++++++++++++++++
tests/generic/812 | 106 ++++++++++++++++++++++++++++++++++++++++++++++++
tests/generic/812.out | 21 +++++++++
tests/generic/813 | 100 +++++++++++++++++++++++++++++++++++++++++++++
tests/generic/813.out | 24 +++++++++++
tests/generic/814 | 109 +++++++++++++++++++++++++++++++++++++++++++++++++
tests/generic/814.out | 24 +++++++++++
tests/generic/815 | 95 +++++++++++++++++++++++++++++++++++++++++++
tests/generic/815.out | 16 +++++++
tests/generic/816 | 100 +++++++++++++++++++++++++++++++++++++++++++++
tests/generic/816.out | 24 +++++++++++
tests/generic/group | 6 +++
13 files changed, 768 insertions(+)
create mode 100755 tests/generic/811
create mode 100644 tests/generic/811.out
create mode 100755 tests/generic/812
create mode 100644 tests/generic/812.out
create mode 100755 tests/generic/813
create mode 100644 tests/generic/813.out
create mode 100755 tests/generic/814
create mode 100644 tests/generic/814.out
create mode 100755 tests/generic/815
create mode 100644 tests/generic/815.out
create mode 100755 tests/generic/816
create mode 100644 tests/generic/816.out
diff --git a/tests/generic/811 b/tests/generic/811
new file mode 100755
index 0000000..2eeb1d5
--- /dev/null
+++ b/tests/generic/811
@@ -0,0 +1,104 @@
+#! /bin/bash
+# FS QA Test No. 811
+#
+# Ensure that fallocate steps around reflinked ranges:
+# - Reflink parts of two files together
+# - Fallocate all the other sparse space.
+# - 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
+
+# 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_cp_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 "truncate $((BLKSZ * 5))" -c "pwrite -S 0x61 0 $(( (BLKSZ * 5) + 37))" $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "truncate $((BLKSZ * 5))" -c "reflink $TESTDIR/file1 $BLKSZ $BLKSZ $(( (BLKSZ * 4) + 37))" $TESTDIR/file2 >> $seqres.full
+$XFS_IO_PROG -f -c "truncate $((BLKSZ * 5))" -c "reflink $TESTDIR/file1 0 0 $BLKSZ" $TESTDIR/file3 >> $seqres.full
+$XFS_IO_PROG -f -c "truncate $((BLKSZ * 5))" -c "reflink $TESTDIR/file1 $BLKSZ $BLKSZ $BLKSZ" $TESTDIR/file4 >> $seqres.full
+$XFS_IO_PROG -f -c "truncate $((BLKSZ * 5))" -c "reflink $TESTDIR/file1 $((BLKSZ * 3)) $((BLKSZ * 3)) $BLKSZ" $TESTDIR/file4 >> $seqres.full
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file5
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+md5sum $TESTDIR/file4 | _filter_test_dir
+md5sum $TESTDIR/file5 | _filter_test_dir
+
+echo "falloc everything"
+$XFS_IO_PROG -f -c "falloc 0 $((BLKSZ * 5))" $TESTDIR/file2
+$XFS_IO_PROG -f -c "falloc 0 $((BLKSZ * 5))" $TESTDIR/file3
+$XFS_IO_PROG -f -c "falloc 0 $((BLKSZ * 5))" $TESTDIR/file4
+$XFS_IO_PROG -f -c "falloc 0 $((BLKSZ * 6))" $TESTDIR/file5
+sync
+echo 3 > /proc/sys/vm/drop_caches
+
+echo "Checksum all files"
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+md5sum $TESTDIR/file4 | _filter_test_dir
+md5sum $TESTDIR/file5 | _filter_test_dir
+
+checker() {
+ echo '---'
+ for nr in `seq 0 $2`; do
+ echo "Check $1 block $nr: $(_numbers_equal $(_extent_physical $TESTDIR/$1 $((nr * BLKSZ)) $BLKSZ) $(_extent_physical $TESTDIR/file1 $((nr * BLKSZ)) $BLKSZ))"
+ done
+}
+checker file2 4
+checker file3 4
+checker file4 4
+checker file5 5
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/811.out b/tests/generic/811.out
new file mode 100644
index 0000000..e7812c7
--- /dev/null
+++ b/tests/generic/811.out
@@ -0,0 +1,39 @@
+QA output created by 811
+Create the original files
+009b3e150ecd3ef6e8e3ca51cb686cce TEST_DIR/test-811/file1
+c02d88b852eb45fdf6ecb76bcc2a57db TEST_DIR/test-811/file2
+30e9e109eea1bd6bfbd16ea0cf77dbdd TEST_DIR/test-811/file3
+84081fec09f6bac78a7c88cbe9510c8b TEST_DIR/test-811/file4
+009b3e150ecd3ef6e8e3ca51cb686cce TEST_DIR/test-811/file5
+falloc everything
+Checksum all files
+009b3e150ecd3ef6e8e3ca51cb686cce TEST_DIR/test-811/file1
+c02d88b852eb45fdf6ecb76bcc2a57db TEST_DIR/test-811/file2
+30e9e109eea1bd6bfbd16ea0cf77dbdd TEST_DIR/test-811/file3
+84081fec09f6bac78a7c88cbe9510c8b TEST_DIR/test-811/file4
+21e81f9335556ecab699637873c1670c TEST_DIR/test-811/file5
+---
+Check file2 block 0: num #1 does not match #0
+Check file2 block 1:
+Check file2 block 2:
+Check file2 block 3:
+Check file2 block 4:
+---
+Check file3 block 0:
+Check file3 block 1: num #1 does not match #0
+Check file3 block 2: num #1 does not match #0
+Check file3 block 3: num #1 does not match #0
+Check file3 block 4: num #1 does not match #0
+---
+Check file4 block 0: num #1 does not match #0
+Check file4 block 1:
+Check file4 block 2: num #1 does not match #0
+Check file4 block 3:
+Check file4 block 4: num #1 does not match #0
+---
+Check file5 block 0:
+Check file5 block 1:
+Check file5 block 2:
+Check file5 block 3:
+Check file5 block 4:
+Check file5 block 5: num #1 does not match #0
diff --git a/tests/generic/812 b/tests/generic/812
new file mode 100755
index 0000000..7774514
--- /dev/null
+++ b/tests/generic/812
@@ -0,0 +1,106 @@
+#! /bin/bash
+# FS QA Test No. 812
+#
+# Ensure that collapse range steps around reflinked ranges:
+# - Create three reflink clones of a file
+# - Collapse the start, middle, and end of the reflink range of each
+# of the three files, respectively
+# - 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
+
+# real QA test starts here
+_require_test_reflink
+_supported_os Linux
+
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "fcollapse"
+_require_cp_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" $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x62 $BLKSZ $BLKSZ" $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x63 $((BLKSZ * 2)) $BLKSZ" $TESTDIR/file1 >> $seqres.full
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file2
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file3
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file4
+$XFS_IO_PROG -f -c "falloc 0 $((BLKSZ * 4))" $TESTDIR/file1
+$XFS_IO_PROG -f -c "falloc 0 $((BLKSZ * 4))" $TESTDIR/file2
+$XFS_IO_PROG -f -c "falloc 0 $((BLKSZ * 4))" $TESTDIR/file3
+$XFS_IO_PROG -f -c "falloc 0 $((BLKSZ * 4))" $TESTDIR/file4
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+md5sum $TESTDIR/file4 | _filter_test_dir
+
+echo "fcollapse files"
+$XFS_IO_PROG -f -c "fcollapse 0 $BLKSZ" $TESTDIR/file2
+$XFS_IO_PROG -f -c "fcollapse $BLKSZ $BLKSZ" $TESTDIR/file3
+$XFS_IO_PROG -f -c "fcollapse $((BLKSZ * 2)) $BLKSZ" $TESTDIR/file4
+sync
+echo 3 > /proc/sys/vm/drop_caches
+
+echo "Checksum all files"
+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 file2 block 0: $(_numbers_equal $(_extent_physical $TESTDIR/file2 0) $(_extent_physical $TESTDIR/file1 $BLKSZ))"
+echo "Check file2 block 1: $(_numbers_equal $(_extent_physical $TESTDIR/file2 $BLKSZ) $(_extent_physical $TESTDIR/file1 $((BLKSZ * 2))))"
+echo "Check file2 block 2: $(_numbers_equal $(_extent_physical $TESTDIR/file2 $((BLKSZ * 2))) -1) (intentional)"
+
+echo "Check file3 block 0: $(_numbers_equal $(_extent_physical $TESTDIR/file3 0) $(_extent_physical $TESTDIR/file1 0))"
+echo "Check file3 block 1: $(_numbers_equal $(_extent_physical $TESTDIR/file3 $BLKSZ) $(_extent_physical $TESTDIR/file1 $((BLKSZ * 2))))"
+echo "Check file3 block 2: $(_numbers_equal $(_extent_physical $TESTDIR/file3 $((BLKSZ * 2))) -1) (intentional)"
+
+echo "Check file4 block 0: $(_numbers_equal $(_extent_physical $TESTDIR/file4 0) $(_extent_physical $TESTDIR/file1 0))"
+echo "Check file4 block 1: $(_numbers_equal $(_extent_physical $TESTDIR/file4 $BLKSZ) $(_extent_physical $TESTDIR/file1 $BLKSZ))"
+echo "Check file4 block 2: $(_numbers_equal $(_extent_physical $TESTDIR/file4 $((BLKSZ * 2))) -1) (intentional)"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/812.out b/tests/generic/812.out
new file mode 100644
index 0000000..5cf5f5c
--- /dev/null
+++ b/tests/generic/812.out
@@ -0,0 +1,21 @@
+QA output created by 812
+Create the original files
+db163becd4078f300d75178b5da99c57 TEST_DIR/test-812/file1
+db163becd4078f300d75178b5da99c57 TEST_DIR/test-812/file2
+db163becd4078f300d75178b5da99c57 TEST_DIR/test-812/file3
+db163becd4078f300d75178b5da99c57 TEST_DIR/test-812/file4
+fcollapse files
+Checksum all files
+db163becd4078f300d75178b5da99c57 TEST_DIR/test-812/file1
+60362ff0a5d013a9ea90e999bff61ff7 TEST_DIR/test-812/file2
+2eb5c9479bda10ed1e7366ac0946d1b7 TEST_DIR/test-812/file3
+9f0d31cd374f021314919f30e7784ca2 TEST_DIR/test-812/file4
+Check file2 block 0:
+Check file2 block 1:
+Check file2 block 2: num #1 does not match #0 (intentional)
+Check file3 block 0:
+Check file3 block 1:
+Check file3 block 2: num #1 does not match #0 (intentional)
+Check file4 block 0:
+Check file4 block 1:
+Check file4 block 2: num #1 does not match #0 (intentional)
diff --git a/tests/generic/813 b/tests/generic/813
new file mode 100755
index 0000000..fb679fc
--- /dev/null
+++ b/tests/generic/813
@@ -0,0 +1,100 @@
+#! /bin/bash
+# FS QA Test No. 813
+#
+# Ensure that punch-hole steps around reflinked ranges:
+# - Create three reflink clones of a file
+# - Punch the start, middle, and end of the reflink range of each
+# of the three files, respectively
+# - 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
+
+# real QA test starts here
+_require_test_reflink
+_supported_os Linux
+
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "fpunch"
+_require_cp_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" $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x62 $BLKSZ $BLKSZ" $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x63 $((BLKSZ * 2)) $BLKSZ" $TESTDIR/file1 >> $seqres.full
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file2
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file3
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file4
+
+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 "fpunch files"
+$XFS_IO_PROG -f -c "fpunch 0 $BLKSZ" $TESTDIR/file2
+$XFS_IO_PROG -f -c "fpunch $BLKSZ $BLKSZ" $TESTDIR/file3
+$XFS_IO_PROG -f -c "fpunch $((BLKSZ * 2)) $BLKSZ" $TESTDIR/file4
+sync
+echo 3 > /proc/sys/vm/drop_caches
+
+echo "Checksum all files"
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+md5sum $TESTDIR/file4 | _filter_test_dir
+
+checker() {
+ echo '---'
+ for nr in `seq 0 $2`; do
+ echo "Check $1 block $nr: $(_numbers_equal $(_extent_physical $TESTDIR/$1 $((nr * BLKSZ)) $BLKSZ) $(_extent_physical $TESTDIR/file1 $((nr * BLKSZ)) $BLKSZ))"
+ done
+}
+checker file2 2
+checker file3 2
+checker file4 2
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/813.out b/tests/generic/813.out
new file mode 100644
index 0000000..238ab2a
--- /dev/null
+++ b/tests/generic/813.out
@@ -0,0 +1,24 @@
+QA output created by 813
+Create the original files
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-813/file1
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-813/file2
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-813/file3
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-813/file4
+fpunch files
+Checksum all files
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-813/file1
+7d0093769a56b002ee10d87d2c250af0 TEST_DIR/test-813/file2
+0345e4da280cd6b84d2ccfd0b217ed5f TEST_DIR/test-813/file3
+9f0d31cd374f021314919f30e7784ca2 TEST_DIR/test-813/file4
+---
+Check file2 block 0: num #1 does not match #0
+Check file2 block 1:
+Check file2 block 2:
+---
+Check file3 block 0:
+Check file3 block 1: num #1 does not match #0
+Check file3 block 2:
+---
+Check file4 block 0:
+Check file4 block 1:
+Check file4 block 2: num #1 does not match #0
diff --git a/tests/generic/814 b/tests/generic/814
new file mode 100755
index 0000000..67ab61f
--- /dev/null
+++ b/tests/generic/814
@@ -0,0 +1,109 @@
+#! /bin/bash
+# FS QA Test No. 814
+#
+# Ensure that insert range steps around reflinked ranges:
+# - Create three reflink clones of a file
+# - Insert into the start, middle, and end of the reflink range of each
+# of the three files, respectively
+# - 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
+
+# real QA test starts here
+_require_test_reflink
+_supported_os Linux
+
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "finsert"
+_require_cp_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" $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x62 $BLKSZ $BLKSZ" $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x63 $((BLKSZ * 2)) $BLKSZ" $TESTDIR/file1 >> $seqres.full
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file2
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file3
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file4
+#$XFS_IO_PROG -f -c "falloc 0 $((BLKSZ * 4))" $TESTDIR/file1
+#$XFS_IO_PROG -f -c "falloc 0 $((BLKSZ * 4))" $TESTDIR/file2
+#$XFS_IO_PROG -f -c "falloc 0 $((BLKSZ * 4))" $TESTDIR/file3
+#$XFS_IO_PROG -f -c "falloc 0 $((BLKSZ * 4))" $TESTDIR/file4
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+md5sum $TESTDIR/file4 | _filter_test_dir
+
+echo "finsert files"
+$XFS_IO_PROG -f -c "finsert 0 $BLKSZ" $TESTDIR/file2
+$XFS_IO_PROG -f -c "finsert $BLKSZ $BLKSZ" $TESTDIR/file3
+$XFS_IO_PROG -f -c "finsert $((BLKSZ * 2)) $BLKSZ" $TESTDIR/file4
+sync
+echo 3 > /proc/sys/vm/drop_caches
+
+echo "Checksum all files"
+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 file2 block 0: $(_numbers_equal $(_extent_physical $TESTDIR/file2 0) -1)"
+echo "Check file2 block 1: $(_numbers_equal $(_extent_physical $TESTDIR/file2 $((BLKSZ * 1))) $(_extent_physical $TESTDIR/file1 $((BLKSZ * 0))))"
+echo "Check file2 block 2: $(_numbers_equal $(_extent_physical $TESTDIR/file2 $((BLKSZ * 2))) $(_extent_physical $TESTDIR/file1 $((BLKSZ * 1))))"
+echo "Check file2 block 3: $(_numbers_equal $(_extent_physical $TESTDIR/file2 $((BLKSZ * 3))) $(_extent_physical $TESTDIR/file1 $((BLKSZ * 2))))"
+
+echo "Check file3 block 0: $(_numbers_equal $(_extent_physical $TESTDIR/file3 0) $(_extent_physical $TESTDIR/file1 0))"
+echo "Check file3 block 1: $(_numbers_equal $(_extent_physical $TESTDIR/file3 $((BLKSZ * 1))) -1)"
+echo "Check file3 block 2: $(_numbers_equal $(_extent_physical $TESTDIR/file3 $((BLKSZ * 2))) $(_extent_physical $TESTDIR/file1 $((BLKSZ * 1))))"
+echo "Check file3 block 3: $(_numbers_equal $(_extent_physical $TESTDIR/file3 $((BLKSZ * 3))) $(_extent_physical $TESTDIR/file1 $((BLKSZ * 2))))"
+
+echo "Check file4 block 0: $(_numbers_equal $(_extent_physical $TESTDIR/file4 0) $(_extent_physical $TESTDIR/file1 0))"
+echo "Check file4 block 1: $(_numbers_equal $(_extent_physical $TESTDIR/file4 $((BLKSZ * 1))) $(_extent_physical $TESTDIR/file1 $((BLKSZ * 1))))"
+echo "Check file4 block 2: $(_numbers_equal $(_extent_physical $TESTDIR/file4 $((BLKSZ * 2))) -1)"
+echo "Check file4 block 3: $(_numbers_equal $(_extent_physical $TESTDIR/file4 $((BLKSZ * 3))) $(_extent_physical $TESTDIR/file1 $((BLKSZ * 2))))"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/814.out b/tests/generic/814.out
new file mode 100644
index 0000000..cfa3653
--- /dev/null
+++ b/tests/generic/814.out
@@ -0,0 +1,24 @@
+QA output created by 814
+Create the original files
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-814/file1
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-814/file2
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-814/file3
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-814/file4
+finsert files
+Checksum all files
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-814/file1
+f00836e4dd293d4fba1d25d06db3311b TEST_DIR/test-814/file2
+889c4ac987df12e434e5c561897d6b27 TEST_DIR/test-814/file3
+5a0067da56ad62f4c7c7b29436cc3183 TEST_DIR/test-814/file4
+Check file2 block 0:
+Check file2 block 1:
+Check file2 block 2:
+Check file2 block 3:
+Check file3 block 0:
+Check file3 block 1:
+Check file3 block 2:
+Check file3 block 3:
+Check file4 block 0:
+Check file4 block 1:
+Check file4 block 2:
+Check file4 block 3:
diff --git a/tests/generic/815 b/tests/generic/815
new file mode 100755
index 0000000..bf11f01
--- /dev/null
+++ b/tests/generic/815
@@ -0,0 +1,95 @@
+#! /bin/bash
+# FS QA Test No. 815
+#
+# Ensure that truncating the last block in a reflinked file CoWs appropriately:
+# - Create a file that doesn't end on a block boundary
+# - Create two reflink clones of the file
+# - Shorten one of the clones with truncate
+# - Lengthen the other clone with truncate
+# - 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
+
+# real QA test starts here
+_require_test_reflink
+_supported_os Linux
+
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "truncate"
+_require_cp_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" $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x62 $BLKSZ 37" $TESTDIR/file1 >> $seqres.full
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file2
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file3
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+
+echo "truncate files"
+$XFS_IO_PROG -f -c "truncate $BLKSZ" $TESTDIR/file2
+$XFS_IO_PROG -f -c "truncate $((BLKSZ * 2))" $TESTDIR/file3
+sync
+echo 3 > /proc/sys/vm/drop_caches
+
+echo "Checksum all files"
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+
+checker() {
+ echo '---'
+ for nr in `seq 0 $2`; do
+ echo "Check $1 block $nr: $(_numbers_equal $(_extent_physical $TESTDIR/$1 $((nr * BLKSZ)) $BLKSZ) $(_extent_physical $TESTDIR/file1 $((nr * BLKSZ)) $BLKSZ))"
+ done
+}
+checker file2 1
+checker file3 1
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/815.out b/tests/generic/815.out
new file mode 100644
index 0000000..34ed6f8
--- /dev/null
+++ b/tests/generic/815.out
@@ -0,0 +1,16 @@
+QA output created by 815
+Create the original files
+9f2cbc628fdc2717059307aba4839b74 TEST_DIR/test-815/file1
+9f2cbc628fdc2717059307aba4839b74 TEST_DIR/test-815/file2
+9f2cbc628fdc2717059307aba4839b74 TEST_DIR/test-815/file3
+truncate files
+Checksum all files
+9f2cbc628fdc2717059307aba4839b74 TEST_DIR/test-815/file1
+21a199c53f422a380e20b162fb6ebe9c TEST_DIR/test-815/file2
+c9eb942a9b1b30bc2ee6a4904514ab98 TEST_DIR/test-815/file3
+---
+Check file2 block 0:
+Check file2 block 1:
+---
+Check file3 block 0:
+Check file3 block 1: num #1 does not match #0
diff --git a/tests/generic/816 b/tests/generic/816
new file mode 100755
index 0000000..19593f4
--- /dev/null
+++ b/tests/generic/816
@@ -0,0 +1,100 @@
+#! /bin/bash
+# FS QA Test No. 816
+#
+# Ensure that zero-range steps around reflinked ranges:
+# - Create three reflink clones of a file
+# - Zero-range the start, middle, and end of the reflink range of each
+# of the three files, respectively
+# - 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
+
+# real QA test starts here
+_require_test_reflink
+_supported_os Linux
+
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "fzero"
+_require_cp_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" $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x62 $BLKSZ $BLKSZ" $TESTDIR/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x63 $((BLKSZ * 2)) $BLKSZ" $TESTDIR/file1 >> $seqres.full
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file2
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file3
+cp --reflink=always $TESTDIR/file1 $TESTDIR/file4
+
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+md5sum $TESTDIR/file4 | _filter_test_dir
+
+echo "fzero files"
+$XFS_IO_PROG -f -c "fzero 0 $BLKSZ" $TESTDIR/file2
+$XFS_IO_PROG -f -c "fzero $BLKSZ $BLKSZ" $TESTDIR/file3
+$XFS_IO_PROG -f -c "fzero $((BLKSZ * 2)) $BLKSZ" $TESTDIR/file4
+sync
+echo 3 > /proc/sys/vm/drop_caches
+
+echo "Checksum all files"
+md5sum $TESTDIR/file1 | _filter_test_dir
+md5sum $TESTDIR/file2 | _filter_test_dir
+md5sum $TESTDIR/file3 | _filter_test_dir
+md5sum $TESTDIR/file4 | _filter_test_dir
+
+checker() {
+ echo '---'
+ for nr in `seq 0 $2`; do
+ echo "Check $1 block $nr: $(_numbers_equal $(_extent_physical $TESTDIR/$1 $((nr * BLKSZ)) $BLKSZ) $(_extent_physical $TESTDIR/file1 $((nr * BLKSZ)) $BLKSZ))"
+ done
+}
+checker file2 2
+checker file3 2
+checker file4 2
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/816.out b/tests/generic/816.out
new file mode 100644
index 0000000..b884984
--- /dev/null
+++ b/tests/generic/816.out
@@ -0,0 +1,24 @@
+QA output created by 816
+Create the original files
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-816/file1
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-816/file2
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-816/file3
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-816/file4
+fzero files
+Checksum all files
+31f6ac4e2c450aca17a337b2cda026fb TEST_DIR/test-816/file1
+7d0093769a56b002ee10d87d2c250af0 TEST_DIR/test-816/file2
+0345e4da280cd6b84d2ccfd0b217ed5f TEST_DIR/test-816/file3
+9f0d31cd374f021314919f30e7784ca2 TEST_DIR/test-816/file4
+---
+Check file2 block 0: num #1 does not match #0
+Check file2 block 1:
+Check file2 block 2:
+---
+Check file3 block 0:
+Check file3 block 1: num #1 does not match #0
+Check file3 block 2:
+---
+Check file4 block 0:
+Check file4 block 1:
+Check file4 block 2: num #1 does not match #0
diff --git a/tests/generic/group b/tests/generic/group
index 9af1ef8..4493ade 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -205,6 +205,12 @@
808 auto quick clone
809 auto quick clone
810 auto quick clone
+811 auto quick clone
+812 auto quick clone
+813 auto quick clone
+814 auto quick clone
+815 auto quick clone
+816 auto quick clone
817 auto quick clone
818 auto quick clone
819 auto quick clone
--
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