>From e30cd49f5ab84c029c0b376e702caeac42f59f49 Mon Sep 17 00:00:00 2001 From: Alexander Tsvetkov Date: Mon, 15 Dec 2014 18:49:42 +0300 Subject: [PATCH] added test for max_dir_size_kb mount option --- tests/ext4/309 | 178 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/ext4/309.out | 2 + tests/ext4/group | 1 + 3 files changed, 181 insertions(+) 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..34ceb2b --- /dev/null +++ b/tests/ext4/309 @@ -0,0 +1,178 @@ +#! /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=$SCRATCH_MNT/dir.$seq +testfile=$SCRATCH_MNT/testfile + +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() +{ + cd / + rm -rf $tmp.* +} + +remove_files() +{ + dirs="$testdir $*" + for i in $dirs; do + rm -fr $i/* + done +} + +# $1 - expected limit after items creation +# $2 - command to create item +# $3 - where to create (testdir by default) +_create_items() +{ + limit=$1 + dir=${2:-$testdir} + MKTEMP_OPT="" + [ "$3" = "mkdir" ] && MKTEMP_OPT="-d" + sync + echo 3 > /proc/sys/vm/drop_caches + MAX_INUM=$((limit * 1024 * 2 / 24)) + for i in $(seq 0 $MAX_INUM); do + error=$(mktemp $MKTEMP_OPT --tmpdir=$dir 2>&1 >/dev/null) + res=$? + if [ $res -ne 0 ]; then + echo $error >> $seqres.full + [[ ! $error =~ ^.*'No space left on device'$ ]] && echo "FAIL! expected ENOSPC" | tee -a $seqres.full + break + fi + done + size=$(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 +} + +run_test() +{ + LIMIT1=$1 + LIMIT2=$2 + MKFS_OPT=$3 + + _scratch_unmount >/dev/null 2>&1 + _scratch_mkfs $MKFS_OPT >>$seqres.full 2>&1 + _scratch_mount -o max_dir_size_kb=$LIMIT1 + mkdir $testdir + + echo -e "\nExceed $LIMIT1 Kb limit with new files in testdir/: " >> $seqres.full + _create_items $LIMIT1 + + 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 + + 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 + + echo -e "\nExceed $LIMIT2 Kb limit with new files in testdir2/: " >> $seqres.full + mkdir $SCRATCH_MNT/testdir2 2>/dev/null + _create_items $LIMIT2 "$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 + echo -e "\nnew item in testdir2/ should result to ENOSPC: " >> $seqres.full + _create_items $LIMIT2 "$SCRATCH_MNT/testdir2" + remove_files "$SCRATCH_MNT/testdir2" + rmdir $testdir + mkdir $testdir + dd if=/dev/urandom of=$testfile bs=1 seek=4096 count=4096 > /dev/null 2>&1 + + echo -e "\nExceed $LIMIT1 Kb directory limit with new subdirectories: " >> $seqres.full + _create_items $LIMIT1 $testdir "mkdir" + remove_files + + echo -e "\nCreate ext4 fs on testdir/subdir with $LIMIT2 Kb limit," >> $seqres.full + mkdir $testdir/subdir 2>/dev/null + umount $TEST_DEV 1>/dev/null 2>&1 + _mkfs_dev $TEST_DEV $MKFS_OPT >>$seqres.full 2>&1 + _mount -o max_dir_size_kb=$LIMIT2 $TEST_DEV $testdir/subdir + + echo "exceed $LIMIT1 Kb limit of testdir/:" >> $seqres.full + _create_items $LIMIT1 + + echo -e "\nexceed $LIMIT2 Kb limit of testdir/subdir:" >> $seqres.full + _create_items $LIMIT2 "$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 -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 + echo -e "\nnew item in testdir/subdir should result to ENOSPC: " >> $seqres.full + _create_items $LIMIT2 "$testdir/subdir" + + umount $TEST_DEV 1>/dev/null 2>&1 + remove_files + + echo -e "\nTestdir/ limit $LIMIT2 Kb, loop fs: testdir/subdir limit $LIMIT1 Kb," >> $seqres.full + mkdir $testdir/subdir + + $MKFS_EXT4_PROG -F $MKFS_OPT $testfile 2m >> $seqres.full 2>&1 + _mount -o loop,max_dir_size_kb=$LIMIT1 $testfile $testdir/subdir + + echo "exceed $LIMIT1 Kb limit of testdir/subdir with a set of files:" >> $seqres.full + _create_items $LIMIT1 "$testdir/subdir" + + echo -e "\nexceed $LIMIT2 Kb limit of testdir/ with a set of files:" >> $seqres.full + _create_items $LIMIT2 + + umount -d $testdir/subdir + remove_files +} + +# get standard environment, filters and checks +. ./common/rc + +# real QA test starts here + +_supported_fs ext4 +_supported_os Linux +_require_scratch +_require_loop + +run_test 8 16 +run_test 4 32 "-O ^dir_index" +run_test 5 11 "-b 1024" + +# 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 e7f1f2a..78d643b 100644 --- a/tests/ext4/group +++ b/tests/ext4/group @@ -16,3 +16,4 @@ 306 auto rw resize quick 307 auto ioctl rw 308 auto ioctl rw prealloc quick +309 auto -- 1.9.3