From: Vivek Haldar <haldar@xxxxxxxxxx>
Scenarios covered:
1. Fallocate X bytes
2. Write Y bytes
3. Truncate to Z bytes
for various values of X, Y and Z, and check both file size and
number of filesystem blocks used by the file after each of
1, 2 and 3.
Signed-off-by: Vivek Haldar <haldar@xxxxxxxxxx>
---
254 | 254 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
254.out | 48 ++++++++++++
group | 1 +
3 files changed, 303 insertions(+), 0 deletions(-)
create mode 100644 254
create mode 100644 254.out
diff --git a/254 b/254
new file mode 100644
index 0000000..bb11b2e
--- /dev/null
+++ b/254
@@ -0,0 +1,254 @@
+#! /bin/bash
+# FS QA Test No. 254
+#
+# Test fallocate, write, ftruncate combinations.
+#
+# Scenarios covered:
+# 1. Fallocate X bytes
+# 2. Write Y bytes
+# 3. Truncate to Z bytes
+# for various values of X, Y and Z, and check both file size and
+# number of filesystem blocks used by the file after each of
+# 1, 2 and 3.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2011 Google, 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
+#-----------------------------------------------------------------------
+#
+# creator
+owner=haldar@xxxxxxxxxx
+
+seq=`basename $0`
+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
+
+# fallocate, write and truncate with various options and checks.
+_test()
+{
+ falloc_size=${1} # bytes
+ falloc_keep_size=${2} # boolean
+ expected_size_after_falloc=${3}
+ expected_blocks_after_falloc=${4}
+ write_size=${5}
+ expected_size_after_write=${6}
+ expected_blocks_after_write=${7}
+ trunc_size=${8}
+ expected_size_after_trunc=${9}
+ expected_blocks_after_trunc=${10}
+ dont_delete_test_file=${11} # boolean
+
+ echo "falloc/write/truncate test: \
+ falloc_size=${falloc_size} \
+ falloc_keep_size=${falloc_keep_size} \
+ expected_size_after_falloc=${expected_size_after_falloc} \
+ expected_blocks_after_falloc=${expected_blocks_after_falloc} \
+ write_size=${write_size} \
+ expected_size_after_write=${expected_size_after_write} \
+ expected_blocks_after_write=${expected_blocks_after_write} \
+ trunc_size=${trunc_size} \
+ expected_size_after_trunc=${expected_size_after_trunc} \
+ expected_blocks_after_trunc=${expected_blocks_after_trunc} \
+ dont_delete_test_file=${dont_delete_test_file}"
+
+ if [ $dont_delete_test_file ] ; then
+ echo "Re-using test file."
+ else
+ rm -f $test_file
+ fi
+
+ # falloc
+ keep_size_flag=''
+ if $falloc_keep_size ; then
+ keep_size_flag='-k'
+ fi
+ if [ $falloc_size -gt 0 ]; then
+ ${XFS_IO_PROG} -F -f -d \
+ -c "falloc $keep_size_flag 0 $falloc_size" \
+ $test_file | _filter_xfs_io_unique
+ else
+ touch $test_file
+ fi
+
+ # check sizes after falloc
+ size_after_falloc=`stat --format="%s" $test_file`
+ blocks_after_falloc=`du --block-size=4096 -s $test_file | cut -f 1`
+
+ if [ $expected_size_after_falloc -ne $size_after_falloc ]; then
+ status=1
+ echo "Expected size after falloc to be $expected_size_after_falloc \
+ but it was actually $size_after_falloc."
+ exit ${status}
+ fi
+
+ if [ $expected_blocks_after_falloc -ne $blocks_after_falloc ]; then
+ status=1
+ echo "Expected blocks after falloc to be $expected_blocks_after_falloc \
+ but it was actually $blocks_after_falloc."
+ exit ${status}
+ fi
+
+ # write
+ if [ $write_size -gt 0 ]; then
+ ${XFS_IO_PROG} -F -f -d \
+ -c "pwrite 0 $write_size" \
+ $test_file | _filter_xfs_io_unique
+ fi
+
+ # check sizes after write
+ size_after_write=`stat --format="%s" $test_file`
+ blocks_after_write=`du --block-size=4096 -s $test_file | cut -f 1`
+
+ if [ $expected_size_after_write -ne $size_after_write ]; then
+ status=1
+ echo "Expected size after write to be $expected_size_after_write \
+ but it was actually $size_after_write."
+ exit ${status}
+ fi
+
+ if [ $expected_blocks_after_write -ne $blocks_after_write ]; then
+ status=1
+ echo "Expected blocks after write to be $expected_blocks_after_write \
+ but it was actually $blocks_after_write."
+ exit ${status}
+ fi
+
+ # trunc
+ if [ $trunc_size -gt 0 ]; then
+ ${XFS_IO_PROG} -F -f -d \
+ -c "truncate $trunc_size" \
+ $test_file | _filter_xfs_io_unique
+ fi
+
+ # check sizes after trunc
+ size_after_trunc=`stat --format="%s" $test_file`
+ blocks_after_trunc=`du --block-size=4096 -s $test_file | cut -f 1`
+
+ if [ $expected_size_after_trunc -ne $size_after_trunc ]; then
+ status=1
+ echo "Expected size after truncate to be $expected_size_after_trunc \
+ but it was actually $size_after_trunc."
+ exit ${status}
+ fi
+
+ if [ $expected_blocks_after_trunc -ne $blocks_after_trunc ]; then
+ status=1
+ echo "Expected blocks after trunc to be $expected_blocks_after_trunc \
+ but it was actually $blocks_after_trunc."
+ exit ${status}
+ fi
+}
+
+# Check that a file has the given bit pattern.
+_test_file_contents()
+{
+ file_name=${1}
+ offset=${2}
+ len=${3}
+ expected_pattern=${4}
+ expected_count=${5}
+
+ count=`${XFS_IO_PROG} -F -f -d -c \
+ "pread -v $offset $len" $file_name \
+ | grep -w -c $expected_pattern`
+
+ if [ $expected_count -ne $count ]; then
+ status=1
+ echo "Expected count $expected_count for $file_name at \
+ offset $offset for $len bytes for pattern $expected_pattern \
+ but count was $count."
+ exit ${status}
+ fi
+}
+
+# Get standard environment, filters and checks.
+. ./common.rc
+. ./common.filter
+
+# Prerequisites for the test run.
+_supported_fs generic
+_supported_os Linux
+_require_xfs_io_falloc
+
+# Remove any leftover files from last run.
+rm -f ${TEST_DIR}/test*
+
+test_file=${TEST_DIR}/test
+
+# Generic test cleanup function.
+_cleanup()
+{
+ cd /
+ rm -f $tmp.*
+ rm -f $test_file
+}
+
+# Begin test cases.
+
+# KEEP_SIZE
+_test 10240 true 0 3 0 0 3 0 0 3
+_test 8192 true 0 2 0 0 2 0 0 2
+_test 4096 true 0 1 0 0 1 0 0 1
+
+# !KEEP_SIZE
+_test 10240 false 10240 3 0 10240 3 0 10240 3
+_test 8192 false 8192 2 0 8192 2 0 8192 2
+_test 4096 false 4096 1 0 4096 1 0 4096 1
+_test_file_contents $test_file 1024 512 "00" 32 # check null.
+
+_test 10240 true 0 3 4096 4096 3 0 4096 3
+_test 10240 true 0 3 8192 8192 3 0 8192 3
+_test 10240 true 0 3 10240 10240 3 0 10240 3
+
+_test 16384 true 0 4 16384 16384 4 0 16384 4
+
+# just truncate tests, without falloc.
+_test 0 false 0 0 8192 8192 2 8192 8192 2
+_test 0 false 0 0 8192 8192 2 4096 4096 1
+_test 0 false 0 0 8192 8192 2 16384 16384 2
+_test_file_contents $test_file 8192 512 "00" 32 # check null.
+_test_file_contents $test_file 4096 512 "cd" 32 # check non-null.
+
+# write beyond fallocate size and then truncate to the written size.
+_test 8192 true 0 2 16384 16384 4 16384 16384 4
+_test_file_contents $test_file 8192 512 "cd" 32 # check non-null.
+
+# fallocate, write, truncate below the written size, and then truncate up. Then
+# try to read the previously written data to see whether it returns zero or the
+# stale data.
+_test 8192 true 0 2 16384 16384 4 12288 12288 3
+_test 0 true 12288 3 0 12288 3 16384 16384 3 true
+_test_file_contents $test_file 1024 512 "cd" 32 # check non-null.
+_test_file_contents $test_file 12288 512 "00" 32 # check null.
+
+# fallocate, write with the fallocate size, write after the fallocate size, and
+# then truncate to a size smaller than the fallocate size.
+_test 8192 true 0 2 8192 8192 2 0 8192 2
+_test 0 true 8192 2 12288 12288 3 4096 4096 1 true
+
+
+# The following reproduce an existing bug.
+# See http://patchwork.ozlabs.org/patch/96080/
+_test 10240 true 0 3 4096 4096 3 8192 8192 2
+_test 10240 true 0 3 0 0 3 8192 8192 2
+_test 16384 true 0 4 0 0 4 16384 16384 4
+
+
+status=0
+exit ${status}
diff --git a/254.out b/254.out
new file mode 100644
index 0000000..fe70f0e
--- /dev/null
+++ b/254.out
@@ -0,0 +1,48 @@
+QA output created by 254
+falloc/write/truncate test: falloc_size=10240 falloc_keep_size=true expected_size_after_falloc=0 expected_blocks_after_falloc=3 write_size=0 expected_size_after_write=0 expected_blocks_after_write=3 trunc_size=0 expected_size_after_trunc=0 expected_blocks_after_trunc=3 dont_delete_test_file=
+falloc/write/truncate test: falloc_size=8192 falloc_keep_size=true expected_size_after_falloc=0 expected_blocks_after_falloc=2 write_size=0 expected_size_after_write=0 expected_blocks_after_write=2 trunc_size=0 expected_size_after_trunc=0 expected_blocks_after_trunc=2 dont_delete_test_file=
+falloc/write/truncate test: falloc_size=4096 falloc_keep_size=true expected_size_after_falloc=0 expected_blocks_after_falloc=1 write_size=0 expected_size_after_write=0 expected_blocks_after_write=1 trunc_size=0 expected_size_after_trunc=0 expected_blocks_after_trunc=1 dont_delete_test_file=
+falloc/write/truncate test: falloc_size=10240 falloc_keep_size=false expected_size_after_falloc=10240 expected_blocks_after_falloc=3 write_size=0 expected_size_after_write=10240 expected_blocks_after_write=3 trunc_size=0 expected_size_after_trunc=10240 expected_blocks_after_trunc=3 dont_delete_test_file=
+falloc/write/truncate test: falloc_size=8192 falloc_keep_size=false expected_size_after_falloc=8192 expected_blocks_after_falloc=2 write_size=0 expected_size_after_write=8192 expected_blocks_after_write=2 trunc_size=0 expected_size_after_trunc=8192 expected_blocks_after_trunc=2 dont_delete_test_file=
+falloc/write/truncate test: falloc_size=4096 falloc_keep_size=false expected_size_after_falloc=4096 expected_blocks_after_falloc=1 write_size=0 expected_size_after_write=4096 expected_blocks_after_write=1 trunc_size=0 expected_size_after_trunc=4096 expected_blocks_after_trunc=1 dont_delete_test_file=
+falloc/write/truncate test: falloc_size=10240 falloc_keep_size=true expected_size_after_falloc=0 expected_blocks_after_falloc=3 write_size=4096 expected_size_after_write=4096 expected_blocks_after_write=3 trunc_size=0 expected_size_after_trunc=4096 expected_blocks_after_trunc=3 dont_delete_test_file=
+wrote 4096/4096 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+falloc/write/truncate test: falloc_size=10240 falloc_keep_size=true expected_size_after_falloc=0 expected_blocks_after_falloc=3 write_size=8192 expected_size_after_write=8192 expected_blocks_after_write=3 trunc_size=0 expected_size_after_trunc=8192 expected_blocks_after_trunc=3 dont_delete_test_file=
+wrote 8192/8192 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+falloc/write/truncate test: falloc_size=10240 falloc_keep_size=true expected_size_after_falloc=0 expected_blocks_after_falloc=3 write_size=10240 expected_size_after_write=10240 expected_blocks_after_write=3 trunc_size=0 expected_size_after_trunc=10240 expected_blocks_after_trunc=3 dont_delete_test_file=
+wrote 10240/10240 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+falloc/write/truncate test: falloc_size=16384 falloc_keep_size=true expected_size_after_falloc=0 expected_blocks_after_falloc=4 write_size=16384 expected_size_after_write=16384 expected_blocks_after_write=4 trunc_size=0 expected_size_after_trunc=16384 expected_blocks_after_trunc=4 dont_delete_test_file=
+wrote 16384/16384 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+falloc/write/truncate test: falloc_size=0 falloc_keep_size=false expected_size_after_falloc=0 expected_blocks_after_falloc=0 write_size=8192 expected_size_after_write=8192 expected_blocks_after_write=2 trunc_size=8192 expected_size_after_trunc=8192 expected_blocks_after_trunc=2 dont_delete_test_file=
+wrote 8192/8192 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+falloc/write/truncate test: falloc_size=0 falloc_keep_size=false expected_size_after_falloc=0 expected_blocks_after_falloc=0 write_size=8192 expected_size_after_write=8192 expected_blocks_after_write=2 trunc_size=4096 expected_size_after_trunc=4096 expected_blocks_after_trunc=1 dont_delete_test_file=
+wrote 8192/8192 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+falloc/write/truncate test: falloc_size=0 falloc_keep_size=false expected_size_after_falloc=0 expected_blocks_after_falloc=0 write_size=8192 expected_size_after_write=8192 expected_blocks_after_write=2 trunc_size=16384 expected_size_after_trunc=16384 expected_blocks_after_trunc=2 dont_delete_test_file=
+wrote 8192/8192 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+falloc/write/truncate test: falloc_size=8192 falloc_keep_size=true expected_size_after_falloc=0 expected_blocks_after_falloc=2 write_size=16384 expected_size_after_write=16384 expected_blocks_after_write=4 trunc_size=16384 expected_size_after_trunc=16384 expected_blocks_after_trunc=4 dont_delete_test_file=
+wrote 16384/16384 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+falloc/write/truncate test: falloc_size=8192 falloc_keep_size=true expected_size_after_falloc=0 expected_blocks_after_falloc=2 write_size=16384 expected_size_after_write=16384 expected_blocks_after_write=4 trunc_size=12288 expected_size_after_trunc=12288 expected_blocks_after_trunc=3 dont_delete_test_file=
+wrote 16384/16384 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+falloc/write/truncate test: falloc_size=0 falloc_keep_size=true expected_size_after_falloc=12288 expected_blocks_after_falloc=3 write_size=0 expected_size_after_write=12288 expected_blocks_after_write=3 trunc_size=16384 expected_size_after_trunc=16384 expected_blocks_after_trunc=3 dont_delete_test_file=true
+Re-using test file.
+falloc/write/truncate test: falloc_size=8192 falloc_keep_size=true expected_size_after_falloc=0 expected_blocks_after_falloc=2 write_size=8192 expected_size_after_write=8192 expected_blocks_after_write=2 trunc_size=0 expected_size_after_trunc=8192 expected_blocks_after_trunc=2 dont_delete_test_file=
+wrote 8192/8192 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+falloc/write/truncate test: falloc_size=0 falloc_keep_size=true expected_size_after_falloc=8192 expected_blocks_after_falloc=2 write_size=12288 expected_size_after_write=12288 expected_blocks_after_write=3 trunc_size=4096 expected_size_after_trunc=4096 expected_blocks_after_trunc=1 dont_delete_test_file=true
+Re-using test file.
+wrote 12288/12288 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+falloc/write/truncate test: falloc_size=10240 falloc_keep_size=true expected_size_after_falloc=0 expected_blocks_after_falloc=3 write_size=4096 expected_size_after_write=4096 expected_blocks_after_write=3 trunc_size=8192 expected_size_after_trunc=8192 expected_blocks_after_trunc=2 dont_delete_test_file=
+wrote 4096/4096 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+falloc/write/truncate test: falloc_size=10240 falloc_keep_size=true expected_size_after_falloc=0 expected_blocks_after_falloc=3 write_size=0 expected_size_after_write=0 expected_blocks_after_write=3 trunc_size=8192 expected_size_after_trunc=8192 expected_blocks_after_trunc=2 dont_delete_test_file=
+falloc/write/truncate test: falloc_size=16384 falloc_keep_size=true expected_size_after_falloc=0 expected_blocks_after_falloc=4 write_size=0 expected_size_after_write=0 expected_blocks_after_write=4 trunc_size=16384 expected_size_after_trunc=16384 expected_blocks_after_trunc=4 dont_delete_test_file=
diff --git a/group b/group
index 9f88e75..a5e278d 100644
--- a/group
+++ b/group
@@ -367,3 +367,4 @@ deprecated
251 ioctl trim
252 auto quick prealloc
253 auto quick
+254 auto quick prealloc
--
1.7.3.1
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