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[PATCH RESEND 5/7] xfstest: Add test case to check various corner cases

To: viro@xxxxxxxxxxxxxxxxxx, mtk.manpages@xxxxxxxxx, tytso@xxxxxxx, adilger.kernel@xxxxxxxxx, bpm@xxxxxxx, elder@xxxxxxxxxx, hch@xxxxxxxxxxxxx, david@xxxxxxxxxxxxx
Subject: [PATCH RESEND 5/7] xfstest: Add test case to check various corner cases for collapsing range
From: Namjae Jeon <linkinjeon@xxxxxxxxx>
Date: Mon, 7 Oct 2013 05:13:52 +0900
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, a.sangwan@xxxxxxxxxxx, Namjae Jeon <linkinjeon@xxxxxxxxx>, Namjae Jeon <namjae.jeon@xxxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
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From: Namjae Jeon <namjae.jeon@xxxxxxxxxxx>

This patch checks various corner cases for collapsing a range.
This patch is based on generic/255 test case which checks various corner
cases for punch hole.

Signed-off-by: Namjae Jeon <namjae.jeon@xxxxxxxxxxx>
Signed-off-by: Ashish Sangwan <a.sangwan@xxxxxxxxxxx>
---
 common/collapse      |  264 ++++++++++++++++++++++++++++++++++++++++++++++++++
 common/rc            |   14 +++
 tests/shared/316     |   70 +++++++++++++
 tests/shared/316.out |  221 ++++++++++++++++++++++++++++++++++++++++++
 tests/shared/group   |    2 +-
 5 files changed, 570 insertions(+), 1 deletion(-)
 create mode 100644 common/collapse
 create mode 100644 tests/shared/316
 create mode 100644 tests/shared/316.out

diff --git a/common/collapse b/common/collapse
new file mode 100644
index 0000000..dd3be5e
--- /dev/null
+++ b/common/collapse
@@ -0,0 +1,264 @@
+##/bin/bash
+#
+# Copyright (c) 2013 Samsung Electronics.  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
+#
+# Test procedure for checking collapse range feature
+
+# Test different corner cases for collapsing a range:
+#
+#      1. into a hole
+#      2. into allocated space
+#      3. into unwritten space
+#      4. hole -> data
+#      5. hole -> unwritten
+#      6. data -> hole
+#      7. data -> unwritten
+#      8. unwritten -> hole
+#      9. unwritten -> data
+#      10. hole -> data -> hole
+#      11. data -> hole -> data
+#      12. unwritten -> data -> unwritten
+#      13. data -> unwritten -> data
+#      14. data -> hole @ EOF
+#      15. data -> hole @ 0
+#      16. data -> cache cold ->hole
+#
+# Test file is removed, created and sync'd between tests.
+#
+# Use -k flag to keep the file between tests.  This will
+# test the handling of pre-existing holes.
+#
+# Use the -d flag to not sync the file between tests.
+# This will test the handling of delayed extents
+#
+_test_generic_collapse()
+{
+
+       remove_testfile=1
+       sync_cmd="-c fsync"
+       OPTIND=1
+       while getopts 'dk' OPTION
+       do
+               case $OPTION in
+               k)      remove_testfile=
+               ;;
+               d)      sync_cmd=
+               ;;
+               ?)      echo Invalid flag
+               exit 1
+               ;;
+               esac
+       done
+       shift $(($OPTIND - 1))
+
+       alloc_cmd=$1
+       collapse_cmd=$2
+       punch_cmd=$3
+       map_cmd=$4
+       filter_cmd=$5
+       testfile=$6
+
+       echo "  1. into a hole"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+       fi
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "$collapse_cmd 16k 32k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  2. into allocated space"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+       fi
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "pwrite 0 80k" $sync_cmd \
+               -c "$collapse_cmd 16k 32k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  3. into unwritten space"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+       fi
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "$alloc_cmd 0 80k" \
+               -c "$collapse_cmd 16k 32k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  4. hole -> data"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+       fi
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "pwrite 32k 32k" $sync_cmd \
+               -c "$collapse_cmd 16k 32k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  5. hole -> unwritten"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+       fi
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "$alloc_cmd 32k 32k" \
+               -c "$collapse_cmd 16k 32k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  6. data -> hole"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+       fi
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "pwrite 0 32k" $sync_cmd \
+               -c "$collapse_cmd 16k 32k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  7. data -> unwritten"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+       fi
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "pwrite 0 32k" $sync_cmd \
+               -c "$alloc_cmd 32k 32k" \
+               -c "$collapse_cmd 16k 32k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  8. unwritten -> hole"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+       fi
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "$alloc_cmd 0 32k" \
+               -c "$collapse_cmd 16k 32k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  9. unwritten -> data"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+       fi
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "$alloc_cmd 0 32k" \
+               -c "pwrite 32k 32k" $sync_cmd \
+               -c "$collapse_cmd 16k 32k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  10. hole -> data -> hole"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+       fi
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "pwrite 32k 16k" $sync_cmd \
+               -c "$collapse_cmd 16k 48k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  11. data -> hole -> data"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+       fi
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "$alloc_cmd 0 80k" \
+               -c "pwrite 0 32k" \
+               -c "pwrite 48k 32k" $sync_cmd \
+               -c "$punch_cmd 32k 16k" \
+               -c "$collapse_cmd 8k 48k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  12. unwritten -> data -> unwritten"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+       fi
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "$alloc_cmd 0 80k" \
+               -c "pwrite 32k 16k" $sync_cmd \
+               -c "$collapse_cmd 16k 48k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  13. data -> unwritten -> data"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+       fi
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "$alloc_cmd 0 80k" \
+               -c "pwrite 0k 32k" $sync_cmd \
+               -c "pwrite 48k 32k" -c "fsync" \
+               -c "$collapse_cmd 16k 48k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  14. data -> hole @ EOF"
+       rm -f $testfile
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "pwrite 0 80k" $sync_cmd \
+               -c "$collapse_cmd 48k 32k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  15. data -> hole @ 0"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+       fi
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "pwrite 0 80k" $sync_cmd \
+               -c "$collapse_cmd 0k 32k" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       [ $? -ne 0 ] && die_now
+       _md5_checksum $testfile
+
+       echo "  16. data -> cache cold ->hole"
+       if [ "$remove_testfile" ]; then
+               rm -f $testfile
+               rm -f $testfile.2
+       else
+               cp $testfile $testfile.2
+       fi
+       $XFS_IO_PROG -f -c "truncate 48k" \
+               -c "pwrite 0k 48k" -c "fsync" $testfile.2 \
+               > /dev/null
+       $XFS_IO_PROG -f -c "truncate 80k" \
+               -c "pwrite 0 80k" $sync_cmd \
+               -c "$collapse_cmd 0k 32k" \
+               -c "fadvise -d" \
+               -c "$map_cmd -v" $testfile | $filter_cmd
+       diff $testfile $testfile.2
+       [ $? -ne 0 ] && die_now
+       rm -f $testfile.2
+       _md5_checksum $testfile
+
+}
diff --git a/common/rc b/common/rc
index 77e96c4..1779eed 100644
--- a/common/rc
+++ b/common/rc
@@ -1248,6 +1248,20 @@ _require_xfs_io_falloc_punch()
                _notrun "xfs_io fallocate punch command failed (no fs support?)"
 }
 
+# check that xfs_io, kernel and filesystem all support fallocate with collapse
+# range
+_require_xfs_io_falloc_collapse()
+{
+       testfile=$TEST_DIR/$$.falloc
+       testio=`$XFS_IO_PROG -F -f -c "pwrite 0 20k" -c "fsync" \
+               -c "fcollapse 4k 8k" $testfile 2>&1`
+       rm -f $testfile 2>&1 > /dev/null
+       echo $testio | grep -q "not found" && \
+               _notrun "xfs_io fallocate collapse range support is missing"
+       echo $testio | grep -q "Operation not supported" && \
+               _notrun "xfs_io fallocate collapse range failed (no fs 
support?)"
+}
+
 # check that xfs_io, kernel and filesystem support fiemap
 _require_xfs_io_fiemap()
 {
diff --git a/tests/shared/316 b/tests/shared/316
new file mode 100644
index 0000000..66a8489
--- /dev/null
+++ b/tests/shared/316
@@ -0,0 +1,70 @@
+#! /bin/bash
+# FS QA Test No. 316
+#
+# Test fallocate collapse range
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2013 Samsung Electronics.  All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+#-----------------------------------------------------------------------
+#
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1       # failure is the default!
+
+_cleanup()
+{
+    rm -f $tmp.*
+}
+
+trap "_cleanup ; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+# we need to include common/punch to get defination fo filter functions
+. ./common/rc
+. ./common/filter
+. ./common/punch
+. ./common/collapse
+
+# real QA test starts here
+_supported_fs xfs ext4
+_supported_os Linux
+
+_require_xfs_io_falloc_punch
+_require_xfs_io_falloc
+_require_xfs_io_fiemap
+_require_xfs_io_falloc_collapse
+
+testfile=$TEST_DIR/316.$$
+
+# Standard collapse range tests
+_test_generic_collapse falloc fcollapse fpunch fiemap _filter_hole_fiemap 
$testfile
+
+# Delayed allocation collapse range tests
+_test_generic_collapse -d falloc fcollapse fpunch fiemap _filter_hole_fiemap 
$testfile
+
+# Multi collapse tests
+_test_generic_collapse -k falloc fcollapse fpunch fiemap _filter_hole_fiemap 
$testfile
+
+# Delayed allocation multi collapse range tests
+_test_generic_collapse -d -k falloc fcollapse fpunch fiemap 
_filter_hole_fiemap $testfile
+
+status=0 ; exit
diff --git a/tests/shared/316.out b/tests/shared/316.out
new file mode 100644
index 0000000..09ebf0d
--- /dev/null
+++ b/tests/shared/316.out
@@ -0,0 +1,221 @@
+QA output created by 316
+       1. into a hole
+f4f35d60b3cc18aaa6d8d92f0cd3708a
+       2. into allocated space
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       3. into unwritten space
+0: [0..95]: extent
+f4f35d60b3cc18aaa6d8d92f0cd3708a
+       4. hole -> data
+0: [0..31]: hole
+1: [32..63]: extent
+2: [64..95]: hole
+d8f51c20223dbce5c7c90db87bc221b0
+       5. hole -> unwritten
+0: [0..31]: hole
+1: [32..63]: extent
+2: [64..95]: hole
+f4f35d60b3cc18aaa6d8d92f0cd3708a
+       6. data -> hole
+0: [0..31]: extent
+1: [32..95]: hole
+f07217d5ac7ffa15dd8910c4aa912674
+       7. data -> unwritten
+0: [0..63]: extent
+1: [64..95]: hole
+f07217d5ac7ffa15dd8910c4aa912674
+       8. unwritten -> hole
+0: [0..31]: extent
+1: [32..95]: hole
+f4f35d60b3cc18aaa6d8d92f0cd3708a
+       9. unwritten -> data
+0: [0..63]: extent
+1: [64..95]: hole
+d8f51c20223dbce5c7c90db87bc221b0
+       10. hole -> data -> hole
+bb7df04e1b0a2570657527a7e108ae23
+       11. data -> hole -> data
+0: [0..63]: extent
+0f0151cbed83e4bf6e5bde26e82ab115
+       12. unwritten -> data -> unwritten
+0: [0..63]: extent
+bb7df04e1b0a2570657527a7e108ae23
+       13. data -> unwritten -> data
+0: [0..63]: extent
+0f0151cbed83e4bf6e5bde26e82ab115
+       14. data -> hole @ EOF
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       15. data -> hole @ 0
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       16. data -> cache cold ->hole
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       1. into a hole
+f4f35d60b3cc18aaa6d8d92f0cd3708a
+       2. into allocated space
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       3. into unwritten space
+0: [0..95]: extent
+f4f35d60b3cc18aaa6d8d92f0cd3708a
+       4. hole -> data
+0: [0..31]: hole
+1: [32..63]: extent
+2: [64..95]: hole
+d8f51c20223dbce5c7c90db87bc221b0
+       5. hole -> unwritten
+0: [0..31]: hole
+1: [32..63]: extent
+2: [64..95]: hole
+f4f35d60b3cc18aaa6d8d92f0cd3708a
+       6. data -> hole
+0: [0..31]: extent
+1: [32..95]: hole
+f07217d5ac7ffa15dd8910c4aa912674
+       7. data -> unwritten
+0: [0..63]: extent
+1: [64..95]: hole
+f07217d5ac7ffa15dd8910c4aa912674
+       8. unwritten -> hole
+0: [0..31]: extent
+1: [32..95]: hole
+f4f35d60b3cc18aaa6d8d92f0cd3708a
+       9. unwritten -> data
+0: [0..63]: extent
+1: [64..95]: hole
+d8f51c20223dbce5c7c90db87bc221b0
+       10. hole -> data -> hole
+bb7df04e1b0a2570657527a7e108ae23
+       11. data -> hole -> data
+0: [0..63]: extent
+0f0151cbed83e4bf6e5bde26e82ab115
+       12. unwritten -> data -> unwritten
+0: [0..63]: extent
+bb7df04e1b0a2570657527a7e108ae23
+       13. data -> unwritten -> data
+0: [0..63]: extent
+0f0151cbed83e4bf6e5bde26e82ab115
+       14. data -> hole @ EOF
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       15. data -> hole @ 0
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       16. data -> cache cold ->hole
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       1. into a hole
+0: [0..31]: extent
+1: [32..95]: hole
+f07217d5ac7ffa15dd8910c4aa912674
+       2. into allocated space
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       3. into unwritten space
+0: [0..95]: extent
+f07217d5ac7ffa15dd8910c4aa912674
+       4. hole -> data
+0: [0..63]: extent
+1: [64..95]: hole
+e5c94f6299822646f9f57aeacd8bdc01
+       5. hole -> unwritten
+0: [0..63]: extent
+1: [64..95]: hole
+f07217d5ac7ffa15dd8910c4aa912674
+       6. data -> hole
+0: [0..31]: extent
+1: [32..95]: hole
+f07217d5ac7ffa15dd8910c4aa912674
+       7. data -> unwritten
+0: [0..63]: extent
+1: [64..95]: hole
+f07217d5ac7ffa15dd8910c4aa912674
+       8. unwritten -> hole
+0: [0..31]: extent
+1: [32..95]: hole
+f07217d5ac7ffa15dd8910c4aa912674
+       9. unwritten -> data
+0: [0..63]: extent
+1: [64..95]: hole
+e5c94f6299822646f9f57aeacd8bdc01
+       10. hole -> data -> hole
+0: [0..31]: extent
+1: [32..63]: hole
+76cc863b386460b228a493933813a6a0
+       11. data -> hole -> data
+0: [0..63]: extent
+0f0151cbed83e4bf6e5bde26e82ab115
+       12. unwritten -> data -> unwritten
+0: [0..63]: extent
+76cc863b386460b228a493933813a6a0
+       13. data -> unwritten -> data
+0: [0..63]: extent
+0f0151cbed83e4bf6e5bde26e82ab115
+       14. data -> hole @ EOF
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       15. data -> hole @ 0
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       16. data -> cache cold ->hole
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       1. into a hole
+0: [0..31]: extent
+1: [32..95]: hole
+f07217d5ac7ffa15dd8910c4aa912674
+       2. into allocated space
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       3. into unwritten space
+0: [0..95]: extent
+f07217d5ac7ffa15dd8910c4aa912674
+       4. hole -> data
+0: [0..63]: extent
+1: [64..95]: hole
+e5c94f6299822646f9f57aeacd8bdc01
+       5. hole -> unwritten
+0: [0..63]: extent
+1: [64..95]: hole
+f07217d5ac7ffa15dd8910c4aa912674
+       6. data -> hole
+0: [0..31]: extent
+1: [32..95]: hole
+f07217d5ac7ffa15dd8910c4aa912674
+       7. data -> unwritten
+0: [0..63]: extent
+1: [64..95]: hole
+f07217d5ac7ffa15dd8910c4aa912674
+       8. unwritten -> hole
+0: [0..31]: extent
+1: [32..95]: hole
+f07217d5ac7ffa15dd8910c4aa912674
+       9. unwritten -> data
+0: [0..63]: extent
+1: [64..95]: hole
+e5c94f6299822646f9f57aeacd8bdc01
+       10. hole -> data -> hole
+0: [0..31]: extent
+1: [32..63]: hole
+76cc863b386460b228a493933813a6a0
+       11. data -> hole -> data
+0: [0..63]: extent
+0f0151cbed83e4bf6e5bde26e82ab115
+       12. unwritten -> data -> unwritten
+0: [0..63]: extent
+76cc863b386460b228a493933813a6a0
+       13. data -> unwritten -> data
+0: [0..63]: extent
+0f0151cbed83e4bf6e5bde26e82ab115
+       14. data -> hole @ EOF
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       15. data -> hole @ 0
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
+       16. data -> cache cold ->hole
+0: [0..95]: extent
+f1894a71ac539f6f90426d98a4990a47
diff --git a/tests/shared/group b/tests/shared/group
index 0ad640b..3a69294 100644
--- a/tests/shared/group
+++ b/tests/shared/group
@@ -11,4 +11,4 @@
 289 auto quick
 298 auto trim
 305 aio dangerous enospc rw stress
-
+316 auto quick collapse
-- 
1.7.9.5

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