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Message-ID: <20151113213749.31124.34969.stgit@birch.djwong.org>
Date: Fri, 13 Nov 2015 13:37:49 -0800
From: "Darrick J. Wong" <darrick.wong@...cle.com>
To: david@...morbit.com, darrick.wong@...cle.com
Cc: fstests@...r.kernel.org, xfs@....sgi.com, hch@...radead.org,
tao.peng@...marydata.com, linux-ext4@...r.kernel.org,
Anna.Schumaker@...app.com, linux-btrfs@...r.kernel.org
Subject: [PATCH 10/12] reflink: concurrent operations tests
Make sure that running reflink ops while other IO is ongoing doesn't
break the filesystem.
Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
---
tests/generic/161 | 79 +++++++++++++++++++++++++++++++++++++
tests/generic/161.out | 6 +++
tests/generic/162 | 95 ++++++++++++++++++++++++++++++++++++++++++++
tests/generic/162.out | 7 +++
tests/generic/163 | 95 ++++++++++++++++++++++++++++++++++++++++++++
tests/generic/163.out | 7 +++
tests/generic/164 | 105 +++++++++++++++++++++++++++++++++++++++++++++++++
tests/generic/164.out | 7 +++
tests/generic/165 | 105 +++++++++++++++++++++++++++++++++++++++++++++++++
tests/generic/165.out | 7 +++
tests/generic/166 | 93 +++++++++++++++++++++++++++++++++++++++++++
tests/generic/166.out | 6 +++
tests/generic/167 | 93 +++++++++++++++++++++++++++++++++++++++++++
tests/generic/167.out | 6 +++
tests/generic/168 | 97 +++++++++++++++++++++++++++++++++++++++++++++
tests/generic/168.out | 6 +++
tests/generic/170 | 97 +++++++++++++++++++++++++++++++++++++++++++++
tests/generic/170.out | 6 +++
tests/generic/group | 9 ++++
19 files changed, 926 insertions(+)
create mode 100755 tests/generic/161
create mode 100644 tests/generic/161.out
create mode 100755 tests/generic/162
create mode 100644 tests/generic/162.out
create mode 100755 tests/generic/163
create mode 100644 tests/generic/163.out
create mode 100755 tests/generic/164
create mode 100644 tests/generic/164.out
create mode 100755 tests/generic/165
create mode 100644 tests/generic/165.out
create mode 100755 tests/generic/166
create mode 100644 tests/generic/166.out
create mode 100755 tests/generic/167
create mode 100644 tests/generic/167.out
create mode 100755 tests/generic/168
create mode 100644 tests/generic/168.out
create mode 100755 tests/generic/170
create mode 100644 tests/generic/170.out
diff --git a/tests/generic/161 b/tests/generic/161
new file mode 100755
index 0000000..efb137c
--- /dev/null
+++ b/tests/generic/161
@@ -0,0 +1,79 @@
+#! /bin/bash
+# FS QA Test No. 161
+#
+# Test for race between delete a file while rewriting its reflinked twin
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc. 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 7 15
+
+_cleanup()
+{
+ cd /
+ rm -rf "$tmp".*
+ wait
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_scratch_reflink
+_require_cp_reflink
+
+echo "Format and mount"
+_scratch_mkfs > "$seqres.full" 2>&1
+_scratch_mount >> "$seqres.full" 2>&1
+
+TESTDIR="$SCRATCH_MNT/test-$seq"
+rm -rf "$TESTDIR"
+mkdir "$TESTDIR"
+
+loops=4096
+BLKSZ=65536
+
+echo "Initialize files"
+echo > "$seqres.full"
+_pwrite_byte 0x61 0 $((loops * BLKSZ)) "$TESTDIR/file1" >> "$seqres.full"
+_cp_reflink "$TESTDIR/file1" "$TESTDIR/file2"
+_scratch_remount
+
+echo "Delete while rewriting"
+rm -rf "$TESTDIR/file1" &
+_pwrite_byte 0x62 0 $((loops * BLKSZ)) "$TESTDIR/file1" >> "$seqres.full"
+wait
+
+echo "Check fs"
+umount "$SCRATCH_MNT"
+_check_scratch_fs
+
+echo "Done"
+# success, all done
+status=0
+exit
diff --git a/tests/generic/161.out b/tests/generic/161.out
new file mode 100644
index 0000000..1db11c3
--- /dev/null
+++ b/tests/generic/161.out
@@ -0,0 +1,6 @@
+QA output created by 161
+Format and mount
+Initialize files
+Delete while rewriting
+Check fs
+Done
diff --git a/tests/generic/162 b/tests/generic/162
new file mode 100755
index 0000000..6bd3a33
--- /dev/null
+++ b/tests/generic/162
@@ -0,0 +1,95 @@
+#! /bin/bash
+# FS QA Test No. 162
+#
+# Test for race between dedupe and writing the dest file
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc. 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 7 15
+
+_cleanup()
+{
+ cd /
+ rm -rf "$tmp".*
+ wait
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_scratch_dedupe
+
+echo "Format and mount"
+_scratch_mkfs > "$seqres.full" 2>&1
+_scratch_mount >> "$seqres.full" 2>&1
+
+TESTDIR="$SCRATCH_MNT/test-$seq"
+rm -rf "$TESTDIR"
+mkdir "$TESTDIR"
+
+loops=512
+nr_loops=$((loops - 1))
+BLKSZ=65536
+
+echo "Initialize files"
+echo > "$seqres.full"
+_pwrite_byte 0x61 0 $((loops * BLKSZ)) "$TESTDIR/file1" >> "$seqres.full"
+_pwrite_byte 0x61 0 $((loops * BLKSZ)) "$TESTDIR/file2" >> "$seqres.full"
+_scratch_remount
+
+overwrite() {
+ while [ ! -e "$TESTDIR/finished" ]; do
+ seq $nr_loops -1 0 | while read i; do
+ _pwrite_byte 0x61 $((i * BLKSZ)) $BLKSZ "$TESTDIR/file2" >> "$seqres.full"
+ done
+ done
+}
+
+echo "Dedupe and rewrite the file!"
+overwrite &
+for i in `seq 1 2`; do
+ seq $nr_loops -1 0 | while read i; do
+ _dedupe_range "$TESTDIR/file1" $((i * BLKSZ)) \
+ "$TESTDIR/file2" $((i * BLKSZ)) $BLKSZ >> "$seqres.full"
+ [ $? -ne 0 ] && break
+ done
+done
+echo "Finished dedupeing"
+touch "$TESTDIR/finished"
+wait
+
+echo "Check fs"
+umount "$SCRATCH_MNT"
+_check_scratch_fs
+
+echo "Done"
+# success, all done
+status=0
+exit
diff --git a/tests/generic/162.out b/tests/generic/162.out
new file mode 100644
index 0000000..4481f8c
--- /dev/null
+++ b/tests/generic/162.out
@@ -0,0 +1,7 @@
+QA output created by 162
+Format and mount
+Initialize files
+Dedupe and rewrite the file!
+Finished dedupeing
+Check fs
+Done
diff --git a/tests/generic/163 b/tests/generic/163
new file mode 100755
index 0000000..1f5042f
--- /dev/null
+++ b/tests/generic/163
@@ -0,0 +1,95 @@
+#! /bin/bash
+# FS QA Test No. 163
+#
+# Test for race between dedupe and writing the source file
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc. 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 7 15
+
+_cleanup()
+{
+ cd /
+ rm -rf "$tmp".*
+ wait
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_scratch_dedupe
+
+echo "Format and mount"
+_scratch_mkfs > "$seqres.full" 2>&1
+_scratch_mount >> "$seqres.full" 2>&1
+
+TESTDIR="$SCRATCH_MNT/test-$seq"
+rm -rf "$TESTDIR"
+mkdir "$TESTDIR"
+
+loops=512
+nr_loops=$((loops - 1))
+BLKSZ=65536
+
+echo "Initialize files"
+echo > "$seqres.full"
+_pwrite_byte 0x61 0 $((loops * BLKSZ)) "$TESTDIR/file1" >> "$seqres.full"
+_pwrite_byte 0x61 0 $((loops * BLKSZ)) "$TESTDIR/file2" >> "$seqres.full"
+_scratch_remount
+
+overwrite() {
+ while [ ! -e "$TESTDIR/finished" ]; do
+ seq $nr_loops -1 0 | while read i; do
+ _pwrite_byte 0x61 $((i * BLKSZ)) $BLKSZ "$TESTDIR/file1" >> "$seqres.full"
+ done
+ done
+}
+
+echo "Dedupe and rewrite the file!"
+overwrite &
+for i in `seq 1 2`; do
+ seq $nr_loops -1 0 | while read i; do
+ _dedupe_range "$TESTDIR/file1" $((i * BLKSZ)) \
+ "$TESTDIR/file2" $((i * BLKSZ)) $BLKSZ >> "$seqres.full"
+ [ $? -ne 0 ] && break
+ done
+done
+echo "Finished dedupeing"
+touch "$TESTDIR/finished"
+wait
+
+echo "Check fs"
+umount "$SCRATCH_MNT"
+_check_scratch_fs
+
+echo "Done"
+# success, all done
+status=0
+exit
diff --git a/tests/generic/163.out b/tests/generic/163.out
new file mode 100644
index 0000000..2d27d1b
--- /dev/null
+++ b/tests/generic/163.out
@@ -0,0 +1,7 @@
+QA output created by 163
+Format and mount
+Initialize files
+Dedupe and rewrite the file!
+Finished dedupeing
+Check fs
+Done
diff --git a/tests/generic/164 b/tests/generic/164
new file mode 100755
index 0000000..4df953d
--- /dev/null
+++ b/tests/generic/164
@@ -0,0 +1,105 @@
+#! /bin/bash
+# FS QA Test No. 164
+#
+# Test for races or FS corruption between reflink and buffered I/O reading the
+# target file.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc. 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 7 15
+
+_cleanup()
+{
+ cd /
+ rm -rf "$tmp".*
+ wait
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_scratch_reflink
+_require_cp_reflink
+
+echo "Format and mount"
+_scratch_mkfs > "$seqres.full" 2>&1
+_scratch_mount >> "$seqres.full" 2>&1
+
+TESTDIR="$SCRATCH_MNT/test-$seq"
+rm -rf "$TESTDIR"
+mkdir "$TESTDIR"
+
+loops=512
+nr_loops=$((loops - 1))
+BLKSZ=65536
+
+echo "Initialize files"
+echo > "$seqres.full"
+_pwrite_byte 0x61 0 $((loops * BLKSZ)) "$TESTDIR/file1" >> "$seqres.full"
+_pwrite_byte 0x62 0 $((loops * BLKSZ)) "$TESTDIR/file2" >> "$seqres.full"
+_cp_reflink "$TESTDIR/file1" "$TESTDIR/file3"
+_scratch_remount
+
+fbytes() {
+ egrep -v '(61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61|62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62)'
+}
+
+reader() {
+ while [ ! -e "$TESTDIR/finished" ]; do
+ _read_range "$TESTDIR/file3" 0 $((loops * BLKSZ)) | fbytes
+ done
+}
+
+echo "Reflink and reread the files!"
+reader &
+for i in `seq 1 2`; do
+ seq $nr_loops -1 0 | while read i; do
+ _reflink_range "$TESTDIR/file1" $((i * BLKSZ)) \
+ "$TESTDIR/file3" $((i * BLKSZ)) $BLKSZ >> "$seqres.full"
+ [ $? -ne 0 ] && break
+ done
+ seq $nr_loops -1 0 | while read i; do
+ _reflink_range "$TESTDIR/file2" $((i * BLKSZ)) \
+ "$TESTDIR/file3" $((i * BLKSZ)) $BLKSZ >> "$seqres.full"
+ [ $? -ne 0 ] && break
+ done
+done
+echo "Finished reflinking"
+touch "$TESTDIR/finished"
+wait
+
+echo "Check fs"
+umount "$SCRATCH_MNT"
+_check_scratch_fs
+
+echo "Done"
+# success, all done
+status=0
+exit
diff --git a/tests/generic/164.out b/tests/generic/164.out
new file mode 100644
index 0000000..0b4ed70
--- /dev/null
+++ b/tests/generic/164.out
@@ -0,0 +1,7 @@
+QA output created by 164
+Format and mount
+Initialize files
+Reflink and reread the files!
+Finished reflinking
+Check fs
+Done
diff --git a/tests/generic/165 b/tests/generic/165
new file mode 100755
index 0000000..49187ec
--- /dev/null
+++ b/tests/generic/165
@@ -0,0 +1,105 @@
+#! /bin/bash
+# FS QA Test No. 165
+#
+# Test for races or FS corruption between reflink and direct I/O reading the
+# target file.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc. 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 7 15
+
+_cleanup()
+{
+ cd /
+ rm -rf "$tmp".*
+ wait
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_scratch_reflink
+_require_cp_reflink
+
+echo "Format and mount"
+_scratch_mkfs > "$seqres.full" 2>&1
+_scratch_mount >> "$seqres.full" 2>&1
+
+TESTDIR="$SCRATCH_MNT/test-$seq"
+rm -rf "$TESTDIR"
+mkdir "$TESTDIR"
+
+loops=512
+nr_loops=$((loops - 1))
+BLKSZ=65536
+
+echo "Initialize files"
+echo > "$seqres.full"
+_pwrite_byte 0x61 0 $((loops * BLKSZ)) "$TESTDIR/file1" >> "$seqres.full"
+_pwrite_byte 0x62 0 $((loops * BLKSZ)) "$TESTDIR/file2" >> "$seqres.full"
+_cp_reflink $TESTDIR/file1 $TESTDIR/file3
+_scratch_remount
+
+fbytes() {
+ egrep -v '(61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61|62 62 62 62 62 62 62 62 62 62 62 62 62 62 62 62)'
+}
+
+reader() {
+ while [ ! -e "$TESTDIR/finished" ]; do
+ _read_range "$TESTDIR/file3" 0 $((loops * BLKSZ)) -d | fbytes
+ done
+}
+
+echo "Reflink and dio reread the files!"
+reader &
+for i in `seq 1 2`; do
+ seq $nr_loops -1 0 | while read i; do
+ _reflink_range "$TESTDIR/file1" $((i * BLKSZ)) \
+ "$TESTDIR/file3" $((i * BLKSZ)) $BLKSZ >> "$seqres.full"
+ [ $? -ne 0 ] && break
+ done
+ seq $nr_loops -1 0 | while read i; do
+ _reflink_range "$TESTDIR/file2" $((i * BLKSZ)) \
+ "$TESTDIR/file3" $((i * BLKSZ)) $BLKSZ >> "$seqres.full"
+ [ $? -ne 0 ] && break
+ done
+done
+echo "Finished reflinking"
+touch "$TESTDIR/finished"
+wait
+
+echo "Check fs"
+umount "$SCRATCH_MNT"
+_check_scratch_fs
+
+echo "Done"
+# success, all done
+status=0
+exit
diff --git a/tests/generic/165.out b/tests/generic/165.out
new file mode 100644
index 0000000..a89071d
--- /dev/null
+++ b/tests/generic/165.out
@@ -0,0 +1,7 @@
+QA output created by 165
+Format and mount
+Initialize files
+Reflink and dio reread the files!
+Finished reflinking
+Check fs
+Done
diff --git a/tests/generic/166 b/tests/generic/166
new file mode 100755
index 0000000..71eb2ab
--- /dev/null
+++ b/tests/generic/166
@@ -0,0 +1,93 @@
+#! /bin/bash
+# FS QA Test No. 166
+#
+# Test for races or FS corruption when DIO writing to a file that's also
+# the source of a reflink operation.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc. 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 7 15
+
+_cleanup()
+{
+ cd /
+ rm -rf "$tmp".*
+ wait
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_scratch_reflink
+_require_cp_reflink
+
+echo "Format and mount"
+_scratch_mkfs > "$seqres.full" 2>&1
+_scratch_mount >> "$seqres.full" 2>&1
+
+TESTDIR="$SCRATCH_MNT/test-$seq"
+rm -rf "$TESTDIR"
+mkdir "$TESTDIR"
+
+loops=1024
+nr_loops=$((loops - 1))
+BLKSZ=65536
+
+echo "Initialize file"
+echo > "$seqres.full"
+_pwrite_byte 0x61 0 $((loops * BLKSZ)) "$TESTDIR/file1" >> "$seqres.full"
+_scratch_remount
+
+# Snapshot creator...
+snappy() {
+ n=0
+ while [ ! -e "$TESTDIR/finished" ]; do
+ _cp_reflink "$TESTDIR/file1" "$TESTDIR/snap_$n" || break
+ n=$((n + 1))
+ done
+}
+
+echo "Snapshot a file undergoing directio rewrite"
+snappy &
+seq $nr_loops -1 0 | while read i; do
+ _pwrite_byte 0x63 $((i * BLKSZ)) $BLKSZ -d "$TESTDIR/file1" >> "$seqres.full"
+done
+touch $TESTDIR/finished
+wait
+
+echo "Check for damage"
+umount $SCRATCH_MNT
+_check_scratch_fs
+
+echo "Done"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/166.out b/tests/generic/166.out
new file mode 100644
index 0000000..a2ba34e
--- /dev/null
+++ b/tests/generic/166.out
@@ -0,0 +1,6 @@
+QA output created by 166
+Format and mount
+Initialize file
+Snapshot a file undergoing directio rewrite
+Check for damage
+Done
diff --git a/tests/generic/167 b/tests/generic/167
new file mode 100755
index 0000000..c4e6ce8
--- /dev/null
+++ b/tests/generic/167
@@ -0,0 +1,93 @@
+#! /bin/bash
+# FS QA Test No. 167
+#
+# Test for races or FS corruption when writing to a file that's also
+# the source of a reflink operation.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc. 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 7 15
+
+_cleanup()
+{
+ cd /
+ rm -rf "$tmp".*
+ wait
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_scratch_reflink
+_require_cp_reflink
+
+echo "Format and mount"
+_scratch_mkfs > "$seqres.full" 2>&1
+_scratch_mount >> "$seqres.full" 2>&1
+
+TESTDIR="$SCRATCH_MNT/test-$seq"
+rm -rf "$TESTDIR"
+mkdir "$TESTDIR"
+
+loops=1024
+nr_loops=$((loops - 1))
+BLKSZ=65536
+
+echo "Initialize file"
+echo > "$seqres.full"
+_pwrite_byte 0x61 0 $((loops * BLKSZ)) "$TESTDIR/file1" >> "$seqres.full"
+_scratch_remount
+
+# Snapshot creator...
+snappy() {
+ n=0
+ while [ ! -e "$TESTDIR/finished" ]; do
+ _cp_reflink "$TESTDIR/file1" "$TESTDIR/snap_$n" || break
+ n=$((n + 1))
+ done
+}
+
+echo "Snapshot a file undergoing buffered rewrite"
+snappy &
+seq $nr_loops -1 0 | while read i; do
+ _pwrite_byte 0x63 $((i * BLKSZ)) $BLKSZ "$TESTDIR/file1" >> "$seqres.full"
+done
+touch $TESTDIR/finished
+wait
+
+echo "Check for damage"
+umount $SCRATCH_MNT
+_check_scratch_fs
+
+echo "Done"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/167.out b/tests/generic/167.out
new file mode 100644
index 0000000..7cfb14e
--- /dev/null
+++ b/tests/generic/167.out
@@ -0,0 +1,6 @@
+QA output created by 167
+Format and mount
+Initialize file
+Snapshot a file undergoing buffered rewrite
+Check for damage
+Done
diff --git a/tests/generic/168 b/tests/generic/168
new file mode 100755
index 0000000..414dcb0
--- /dev/null
+++ b/tests/generic/168
@@ -0,0 +1,97 @@
+#! /bin/bash
+# FS QA Test No. 168
+#
+# Test for races or FS corruption when writing to a file that's also
+# the target of a reflink operation.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc. 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 7 15
+
+_cleanup()
+{
+ cd /
+ rm -rf "$tmp".*
+ wait
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_scratch_reflink
+
+echo "Format and mount"
+_scratch_mkfs > "$seqres.full" 2>&1
+_scratch_mount >> "$seqres.full" 2>&1
+
+TESTDIR="$SCRATCH_MNT/test-$seq"
+rm -rf "$TESTDIR"
+mkdir "$TESTDIR"
+
+loops=1024
+nr_loops=$((loops - 1))
+BLKSZ=65536
+
+echo "Initialize files"
+echo > "$seqres.full"
+_pwrite_byte 0x61 0 $((loops * BLKSZ)) "$TESTDIR/file1" >> "$seqres.full"
+_pwrite_byte 0x62 0 $((loops * BLKSZ)) "$TESTDIR/file2" >> "$seqres.full"
+_scratch_remount
+
+# Direct I/O overwriter...
+overwrite() {
+ while [ ! -e "$TESTDIR/finished" ]; do
+ seq $nr_loops -1 0 | while read i; do
+ _pwrite_byte 0x63 $((i * BLKSZ)) $BLKSZ "$TESTDIR/file2" >> "$seqres.full"
+ done
+ done
+}
+
+echo "Reflink and write the target"
+overwrite &
+seq 1 10 | while read j; do
+ seq 0 $nr_loops | while read i; do
+ _reflink_range "$TESTDIR/file1" $((i * BLKSZ)) \
+ "$TESTDIR/file2" $((i * BLKSZ)) $BLKSZ >> "$seqres.full"
+ [ $? -ne 0 ] && exit
+ done
+done
+touch "$TESTDIR/finished"
+wait
+
+echo "Check for damage"
+umount "$SCRATCH_MNT"
+_check_scratch_fs
+
+echo "Done"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/168.out b/tests/generic/168.out
new file mode 100644
index 0000000..d0dd08e
--- /dev/null
+++ b/tests/generic/168.out
@@ -0,0 +1,6 @@
+QA output created by 168
+Format and mount
+Initialize files
+Reflink and write the target
+Check for damage
+Done
diff --git a/tests/generic/170 b/tests/generic/170
new file mode 100755
index 0000000..704b646
--- /dev/null
+++ b/tests/generic/170
@@ -0,0 +1,97 @@
+#! /bin/bash
+# FS QA Test No. 170
+#
+# Test for races or FS corruption when DIO writing to a file that's also
+# the target of a reflink operation.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc. 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 7 15
+
+_cleanup()
+{
+ cd /
+ rm -rf "$tmp".*
+ wait
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_scratch_reflink
+
+echo "Format and mount"
+_scratch_mkfs > "$seqres.full" 2>&1
+_scratch_mount >> "$seqres.full" 2>&1
+
+TESTDIR="$SCRATCH_MNT/test-$seq"
+rm -rf "$TESTDIR"
+mkdir "$TESTDIR"
+
+loops=1024
+nr_loops=$((loops - 1))
+BLKSZ=65536
+
+echo "Initialize files"
+echo > "$seqres.full"
+_pwrite_byte 0x61 0 $((loops * BLKSZ)) "$TESTDIR/file1" >> "$seqres.full"
+_pwrite_byte 0x62 0 $((loops * BLKSZ)) "$TESTDIR/file2" >> "$seqres.full"
+_scratch_remount
+
+# Direct I/O overwriter...
+overwrite() {
+ while [ ! -e "$TESTDIR/finished" ]; do
+ seq $nr_loops -1 0 | while read i; do
+ _pwrite_byte 0x63 $((i * BLKSZ)) $BLKSZ -d "$TESTDIR/file2" >> "$seqres.full"
+ done
+ done
+}
+
+echo "Reflink and dio write the target"
+overwrite &
+seq 1 10 | while read j; do
+ seq 0 $nr_loops | while read i; do
+ _reflink_range "$TESTDIR/file1" $((i * BLKSZ)) \
+ "$TESTDIR/file2" $((i * BLKSZ)) $BLKSZ >> "$seqres.full"
+ [ $? -ne 0 ] && exit
+ done
+done
+touch "$TESTDIR/finished"
+wait
+
+echo "Check for damage"
+umount "$SCRATCH_MNT"
+_check_scratch_fs
+
+echo "Done"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/170.out b/tests/generic/170.out
new file mode 100644
index 0000000..103aaa5
--- /dev/null
+++ b/tests/generic/170.out
@@ -0,0 +1,6 @@
+QA output created by 170
+Format and mount
+Initialize files
+Reflink and dio write the target
+Check for damage
+Done
diff --git a/tests/generic/group b/tests/generic/group
index 0a20421..6ae3105 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -163,7 +163,16 @@
158 auto quick clone
159 auto quick clone
160 auto quick clone
+161 auto quick clone
+162 auto quick clone
+163 auto quick clone
+164 auto quick clone
+165 auto quick clone
+166 auto quick clone
+167 auto quick clone
+168 auto quick clone
169 rw metadata auto quick
+170 auto quick clone
184 metadata auto quick
192 atime auto
193 metadata auto quick
--
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