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[PATCH RESEND 9/12] xfstests: generic/046: Test multiple fallocate inser

To: david@xxxxxxxxxxxxx, tytso@xxxxxxx
Subject: [PATCH RESEND 9/12] xfstests: generic/046: Test multiple fallocate insert/collapse range calls
From: Namjae Jeon <linkinjeon@xxxxxxxxx>
Date: Tue, 17 Feb 2015 00:47:56 +0900
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, a.sangwan@xxxxxxxxxxx, bfoster@xxxxxxxxxx, mtk.manpages@xxxxxxxxx, linux-man@xxxxxxxxxxxxxxx, linux-api@xxxxxxxxxxxxxxx, Namjae Jeon <linkinjeon@xxxxxxxxx>, Namjae Jeon <namjae.jeon@xxxxxxxxxxx>
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From: Namjae Jeon <namjae.jeon@xxxxxxxxxxx>

This testcase(043) tries to test finsert range a single alternate block
multiple times and test merge code of collase range.

Signed-off-by: Namjae Jeon <namjae.jeon@xxxxxxxxxxx>
Signed-off-by: Ashish Sangwan <a.sangwan@xxxxxxxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
---
 tests/generic/046     |   95 +++++++++++++++++++++++++++++++++++++++++++++++++
 tests/generic/046.out |    2 ++
 tests/generic/group   |    1 +
 3 files changed, 98 insertions(+)
 create mode 100644 tests/generic/046
 create mode 100644 tests/generic/046.out

diff --git a/tests/generic/046 b/tests/generic/046
new file mode 100644
index 0000000..5d036e0
--- /dev/null
+++ b/tests/generic/046
@@ -0,0 +1,95 @@
+#! /bin/bash
+# FS QA Test No. generic/046
+#
+# Test multiple fallocate insert/collapse range calls on same file.
+# Call insert range a single alternate block multiple times until the file
+# is left with 100 extents and as much number of extents. And Call collapse
+# range about the previously inserted ranges to test merge code of collapse
+# range. Also check for data integrity and file system consistency.
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 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!
+trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+# real QA test starts here
+_supported_fs generic
+_supported_os Linux
+
+_require_scratch
+_require_xfs_io_command "fiemap"
+_require_xfs_io_command "finsert"
+_require_xfs_io_command "fcollapse"
+src=$SCRATCH_MNT/testfile
+dest=$SCRATCH_MNT/testfile.dest
+BLOCKS=100
+BSIZE=`get_block_size $SCRATCH_MNT`
+rm -f $seqres.full
+
+_scratch_mkfs >> $seqres.full 2>&1 || _fail "mkfs failed"
+_scratch_mount || _fail "mount failed"
+length=$(($BLOCKS * $BSIZE))
+
+# Write file
+_do "$XFS_IO_PROG -f -c \"pwrite 0 $length\" -c fsync $src"
+cp $src $dest
+extent_before=`$XFS_IO_PROG -c "fiemap -v" $dest | grep "^ *[0-9]*:" |wc -l`
+
+# Insert alternate blocks
+for (( j=0; j < $(($BLOCKS/2)); j++ )); do
+       offset=$((($j*$BSIZE)*2))
+       _do "$XFS_IO_PROG -c \"finsert $offset $BSIZE\" $dest"
+done
+
+# Check if 100 extents are present
+$XFS_IO_PROG -c "fiemap -v" $dest | grep "^ *[0-9]*:" |wc -l
+
+_check_scratch_fs
+if [ $? -ne 0 ]; then
+       status=1
+       exit
+fi
+
+# Collapse alternate blocks
+for (( j=0; j < $(($BLOCKS/2)); j++ )); do
+       offset=$((($j*$BSIZE)))
+       _do "$XFS_IO_PROG -c \"fcollapse $offset $BSIZE\" $dest"
+done
+
+extent_after=`$XFS_IO_PROG -c "fiemap -v" $dest | grep "^ *[0-9]*:" |wc -l`
+if [ $extent_before -ne $extent_after ]; then
+       echo "extents mismatched before = $extent_before after = $extent_after"
+fi
+
+# compare original file and test file.
+cmp $src $dest || _fail "file bytes check failed"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/046.out b/tests/generic/046.out
new file mode 100644
index 0000000..2a6a862
--- /dev/null
+++ b/tests/generic/046.out
@@ -0,0 +1,2 @@
+QA output created by 046
+100
diff --git a/tests/generic/group b/tests/generic/group
index 772f910..75e567e 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -48,6 +48,7 @@
 043 auto quick prealloc
 044 auto quick prealloc
 045 auto quick prealloc
+046 auto quick prealloc
 053 acl repair auto quick
 062 attr udf auto quick
 068 other auto freeze dangerous stress
-- 
1.7.9.5

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