>From 21b1da618d0fcb4cd4666d10c41583274ed4eeed Mon Sep 17 00:00:00 2001 From: Alexander Tsvetkov Date: Wed, 10 Dec 2014 15:31:02 +0300 Subject: [PATCH] added test for max_dir_size_kb mount option --- tests/ext4/309 | 213 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/ext4/309.out | 2 + tests/ext4/group | 3 +- 3 files changed, 217 insertions(+), 1 deletion(-) create mode 100755 tests/ext4/309 create mode 100755 tests/ext4/309.out diff --git a/tests/ext4/309 b/tests/ext4/309 new file mode 100755 index 0000000..e2f4e43 --- /dev/null +++ b/tests/ext4/309 @@ -0,0 +1,213 @@ +#! /bin/bash +# FS QA Test +# +# Test for mount option max_dir_size_kb +# +#----------------------------------------------------------------------- +# Copyright (c) 2014 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 +tmp=/tmp/$$ + +testdir=$SCRATCH_MNT/testdir +testfile=$SCRATCH_MNT/testfile +sdir=`dirname $0` +sdir=`cd "$sdir"; pwd` + +echo "QA output created by $seq" +echo "Silence is golden" +rm -f $seqres.full + +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() { + if [ ! -z SCRATCH_MNT ]; then + rm -fr $SCRATCH_MNT/test* + _scratch_unmount + fi +} + +_filter_error() { + sed -n -e "s/.*\($1\).*/\"\1\"/p" +} + +_clear_testdir() { + dirs="$testdir *$" + for i in $dirs; do + rm -fr $i/* + done +} + +# $1 - device +# $2 - options +_make_ext4fs() { + device=$1 + opts=$2 + umount $device 1>/dev/null 2>&1 + mkfs.ext4 $opts $device 1>/dev/null 2>&1 +} + +# $1 - options +# $2 - mount point +_make_loopfs() { + lpf=$testfile + dd if=/dev/zero of=$lpf bs=4k count=256 1>/dev/null 2>&1 + loopdev=$(losetup -f) + losetup $loopdev $lpf + mkfs.ext4 -O ^dir_index,^has_journal $loopdev 1>/dev/null 2>&1 + mount -t ext4 $1 $loopdev $2 +} + +# $1 - expected limit after items creation +# $2 - command to create item +# $3 - where to create (testdir by default) +_create_items() { + limit=$1 + create_cmd=$2 + dir=${3:-$testdir} + sync + echo 3 > /proc/sys/vm/drop_caches + MAX_INUM=$(((limit*1024*2)/24)) + for i in $(seq 0 $MAX_INUM); do + tmp_name=`mktemp -u` + item=`basename $tmp_name` + if [ -e $dir/$item ]; then + continue + fi + create_cmd="$2 $dir/$item 2>$tmp.out 1>/dev/null" + eval "$create_cmd" + res=$? + if [ $res -ne 0 ]; then + _filter_error "No space left on device" < $tmp.out > $tmp.out2 + if [ -s $tmp.out2 ]; then + cat $tmp.out2 | tr -d '\n' >> $seqres.full + else + echo "FAIL! expected ENOSPC" | tee -a $seqres.full + fi + break + fi + done + size=$(stat -c %s $dir) + size=$((size/1024)) + if [ $size -gt $limit ]; then + echo "FAIL! expected dir size: $limit, actually: $size" | tee -a $seqres.full + fi + rm -f $tmp* +} + +# get standard environment, filters and checks +. ./common/rc + +# real QA test starts here + +_supported_fs ext4 +_supported_os Linux +_require_scratch + +LIMIT1=8 +LIMIT2=16 + +_make_ext4fs $SCRATCH_DEV "-O ^dir_index,^filetype" +_scratch_mount "-o max_dir_size_kb=$LIMIT1" +mkdir $testdir 2>/dev/null + +echo -e "\nExceed $LIMIT1 Kb limit with new files in testdir/: " >> $seqres.full +_create_items $LIMIT1 "touch" + +echo -e "\nRemount with $LIMIT1 Kb limit,\nnew item in testdir/ should result to ENOSPC: " >>$seqres.full +_scratch_mount "-o remount,max_dir_size_kb=$LIMIT1" +_create_items $LIMIT1 "touch" + +echo -e "\nExceed $LIMIT2 Kb limit with new files in testdir/: " >> $seqres.full +_scratch_mount "-o remount,max_dir_size_kb=$LIMIT2" +_create_items $LIMIT2 "touch" + +echo -e "\nExceed $LIMIT2 Kb limit with new files in testdir2/: " >> $seqres.full +mkdir $SCRATCH_MNT/testdir2 2>/dev/null +_create_items $LIMIT2 "touch" "$SCRATCH_MNT/testdir2" + +echo -e "\nRemount with $LIMIT1 Kb limit,\nnew item in testdir/ should result to ENOSPC: " >> $seqres.full +_scratch_mount "-o remount,max_dir_size_kb=$LIMIT1" +_create_items $LIMIT2 "touch" +echo -e "\nnew item in testdir2/ should result to ENOSPC: " >> $seqres.full +_create_items $LIMIT2 "touch" "$SCRATCH_MNT/testdir2" +_clear_testdir "$SCRATCH_MNT/testdir2" +rmdir $testdir +mkdir $testdir + +echo -e "\nExceed $LIMIT1 Kb directory limit with new subdirectories: " >> $seqres.full +_create_items $LIMIT1 "mkdir" +_clear_testdir + +echo -e "\nExceed $LIMIT1 Kb directory limit with symlinks: " >> $seqres.full +dd if=/dev/urandom of=$testfile bs=1 seek=4096 count=4096 > /dev/null 2>&1 +_create_items $LIMIT1 "ln -s $testfile" +_clear_testdir + +echo -e "\nExceed $LIMIT1 Kb directory limit with hardlinks: " >> $seqres.full +_create_items $LIMIT1 "ln $testfile" +_clear_testdir + +echo -e "\nExceed $LIMIT1 Kb directory limit with FIFOs: " >> $seqres.full +_create_items $LIMIT1 "mkfifo" +_clear_testdir + +echo -e "\nCreate ext4 fs on testdir/subdir with $LIMIT2 Kb limit," >> $seqres.full +mkdir $testdir/subdir 2>/dev/null +_make_ext4fs $TEST_DEV "-O ^dir_index,^filetype" +mount -t ext4 -o max_dir_size_kb=$LIMIT2 $TEST_DEV $testdir/subdir + +echo "exceed $LIMIT1 Kb limit of testdir/:" >> $seqres.full +_create_items $LIMIT1 "touch" + +echo -e "\nexceed $LIMIT2 Kb limit of testdir/subdir:" >> $seqres.full +_create_items $LIMIT2 "touch" "$testdir/subdir" + +echo -e "\ntestdir/ limit $LIMIT2 Kb, testdir/subdir limit $LIMIT1 Kb," >> $seqres.full +umount $TEST_DEV 1>/dev/null 2>&1 +_scratch_mount "-o remount,max_dir_size_kb=$LIMIT2" +mount -t ext4 -o max_dir_size_kb=$LIMIT1 $TEST_DEV $testdir/subdir + +echo "exceed new $LIMIT2 Kb limit of testdir/ with a set of files:" >> $seqres.full +_create_items $LIMIT2 "touch" +echo -e "\nnew item in testdir/subdir should result to ENOSPC: " >> $seqres.full +_create_items $LIMIT2 "touch" "$testdir/subdir" + +umount $TEST_DEV 1>/dev/null 2>&1 +_clear_testdir + +echo -e "\ntestdir/ limit $LIMIT2 Kb, loop fs: testdir/subdir limit $LIMIT1 Kb," >> $seqres.full +mkdir $testdir/subdir + +_make_loopfs "-o max_dir_size_kb=$LIMIT1" "$testdir/subdir" + +echo "exceed $LIMIT1 Kb limit of testdir/subdir with a set of files:" >> $seqres.full +_create_items $LIMIT1 "touch" "$testdir/subdir" + +echo -e "\nexceed $LIMIT2 Kb limit of testdir/ with a set of files:" >> $seqres.full +_create_items $LIMIT2 "touch" + +umount $testdir/subdir +losetup -d $loopdev +_clear_testdir + +# success, all done +status=0 +exit 0 diff --git a/tests/ext4/309.out b/tests/ext4/309.out new file mode 100755 index 0000000..56330d6 --- /dev/null +++ b/tests/ext4/309.out @@ -0,0 +1,2 @@ +QA output created by 309 +Silence is golden diff --git a/tests/ext4/group b/tests/ext4/group index aa6a53b..9bf1061 100644 --- a/tests/ext4/group +++ b/tests/ext4/group @@ -14,4 +14,5 @@ 305 auto 306 auto rw resize quick 307 auto ioctl rw -308 auto ioctl rw prealloc quick \ No newline at end of file +308 auto ioctl rw prealloc quick +309 auto -- 1.9.3