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ext4: Ext4 online resize with bigalloc tests.

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Add tests to verify Ext4 online resizing feature with bigalloc
feature enabled. We test various resizing scenarios with different
cluster sizes.

Signed-off-by: Harshad Shirwadkar <harshads@google.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
harshads
2018-01-24 14:58:12 -08:00
committed by Eryu Guan
parent 6fd4ec6c1a
commit f2afd6331d
3 changed files with 343 additions and 0 deletions
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tests/ext4/032
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#! /bin/bash
# FS QA Test ext4/032
#
# Ext4 online resize tests of small and crucial resizes with bigalloc
# feature.
#
#-----------------------------------------------------------------------
# Copyright (c) 2018 Google, Inc. All Rights Reserved.
#
# Author: Harshad Shirwadkar <harshads@google.com>
#
# 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 "_cleanup; exit \$status" 0 1 2 3 15
BLK_SIZ=4096
CLUSTER_SIZ=4096
IMG_FILE=$SCRATCH_DIR/$seq.fs
IMG_MNT=$SCRATCH_DIR/$seq.mnt
## Num clusters to blocks.
c2b()
{
local clusters=$1
echo $(($clusters * $CLUSTER_SIZ / $BLK_SIZ))
}
ext4_online_resize()
{
## sizes are in number of blocks.
local original_size=$1
local final_size=$2
local check_if_supported=${3:-0}
## Start with a clean image file.
echo "" > ${IMG_FILE}
echo "+++ truncate image file to $final_size" | \
tee -a $seqres.full
$XFS_IO_PROG -f -c "truncate $(($final_size * $BLK_SIZ))" ${IMG_FILE}
LOOP_DEVICE=`_create_loop_device $IMG_FILE`
echo "+++ create fs on image file $original_size" | \
tee -a $seqres.full
${MKFS_PROG}.${FSTYP} -F -O bigalloc,resize_inode -C $CLUSTER_SIZ \
-b $BLK_SIZ ${LOOP_DEVICE} $original_size >> \
$seqres.full 2>&1 || _fail "mkfs failed"
echo "+++ mount image file" | tee -a $seqres.full
$MOUNT_PROG -t ${FSTYP} ${LOOP_DEVICE} ${IMG_MNT} > \
/dev/null 2>&1 || _fail "mount failed"
echo "+++ resize fs to $final_size" | tee -a $seqres.full
resize2fs -f ${LOOP_DEVICE} $final_size >$tmp.resize2fs 2>&1
if [ $? -ne 0 ]; then
if [ $check_if_supported -eq 1 ]; then
grep -iq "operation not supported" $tmp.resize2fs \
&& _notrun "online resizing not supported with bigalloc"
fi
_fail "resize failed"
fi
cat $tmp.resize2fs >> $seqres.full
echo "+++ umount fs" | tee -a $seqres.full
$UMOUNT_PROG ${IMG_MNT}
echo "+++ check fs" | tee -a $seqres.full
_check_generic_filesystem $LOOP_DEVICE >> $seqres.full 2>&1 || \
_fail "fsck should not fail"
_destroy_loop_device $LOOP_DEVICE && LOOP_DEVICE=
}
_cleanup()
{
cd /
[ -n "$LOOP_DEVICE" ] && _destroy_loop_device $LOOP_DEVICE > /dev/null 2>&1
rm -f $tmp.*
$UMOUNT_PROG ${IMG_MNT} > /dev/null 2>&1
rm -f ${IMG_FILE} > /dev/null 2>&1
}
# get standard environment and checks
. ./common/rc
# remove previous $seqres.full before test
rm -f $seqres.full
# real QA test starts here
_supported_fs ext4
_supported_os Linux
_require_loop
_require_scratch
# We use resize_inode to make sure that block group descriptor table
# can be extended.
_require_scratch_ext4_feature "bigalloc,resize_inode"
_scratch_mkfs >>$seqres.full 2>&1
_scratch_mount
rm -f $seqres.full
mkdir -p $IMG_MNT || _fail "cannot create loopback mount point"
# Check if online resizing with bigalloc is supported by the kernel
ext4_online_resize 4096 8192 1
## We perform resizing to various multiples of block group sizes to
## ensure that we cover maximum edge cases in the kernel code.
for CLUSTER_SIZ in 4096 16384 65536; do
echo "++ set cluster size to $CLUSTER_SIZ" | tee -a $seqres.full
##
## Extend last group tests
##
## Extending a 1/2 block group to a 2/3 block group.
ext4_online_resize $(c2b 16384) $(c2b 24576)
## Extending a 2/3rd block group to one cluster less than a
## full block group.
ext4_online_resize $(c2b 24576) $(c2b 32767)
## Extending a 2/3rd block group to a full block group.
ext4_online_resize $(c2b 24576) $(c2b 32768)
##
## Extend last group and add more block groups.
##
## Extending a 2/3rd block group to 2 block groups.
ext4_online_resize $(c2b 24576) $(c2b 65536)
## Extending a 2/3rd block group to 15 block groups and one
## cluster.
ext4_online_resize $(c2b 24576) $(c2b 491521)
## Extending a 2/3rd block group to 15 and a half block groups.
ext4_online_resize $(c2b 24576) $(c2b 507904)
## Extending a 2/3rd block group to 16 block groups.
ext4_online_resize $(c2b 24576) $(c2b 524288)
## Extending a 2/3rd block group to 160 block groups.
ext4_online_resize $(c2b 24576) $(c2b 5242880)
##
## Convert to meta_bg.
##
## Extending a 2/3rd block group to 1280 block groups.
ext4_online_resize $(c2b 24576) $(c2b 41943040)
done
status=0
exit
tests/ext4/032.out
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QA output created by 032
+++ truncate image file to 8192
+++ create fs on image file 4096
+++ mount image file
+++ resize fs to 8192
+++ umount fs
+++ check fs
++ set cluster size to 4096
+++ truncate image file to 24576
+++ create fs on image file 16384
+++ mount image file
+++ resize fs to 24576
+++ umount fs
+++ check fs
+++ truncate image file to 32767
+++ create fs on image file 24576
+++ mount image file
+++ resize fs to 32767
+++ umount fs
+++ check fs
+++ truncate image file to 32768
+++ create fs on image file 24576
+++ mount image file
+++ resize fs to 32768
+++ umount fs
+++ check fs
+++ truncate image file to 65536
+++ create fs on image file 24576
+++ mount image file
+++ resize fs to 65536
+++ umount fs
+++ check fs
+++ truncate image file to 491521
+++ create fs on image file 24576
+++ mount image file
+++ resize fs to 491521
+++ umount fs
+++ check fs
+++ truncate image file to 507904
+++ create fs on image file 24576
+++ mount image file
+++ resize fs to 507904
+++ umount fs
+++ check fs
+++ truncate image file to 524288
+++ create fs on image file 24576
+++ mount image file
+++ resize fs to 524288
+++ umount fs
+++ check fs
+++ truncate image file to 5242880
+++ create fs on image file 24576
+++ mount image file
+++ resize fs to 5242880
+++ umount fs
+++ check fs
+++ truncate image file to 41943040
+++ create fs on image file 24576
+++ mount image file
+++ resize fs to 41943040
+++ umount fs
+++ check fs
++ set cluster size to 16384
+++ truncate image file to 98304
+++ create fs on image file 65536
+++ mount image file
+++ resize fs to 98304
+++ umount fs
+++ check fs
+++ truncate image file to 131068
+++ create fs on image file 98304
+++ mount image file
+++ resize fs to 131068
+++ umount fs
+++ check fs
+++ truncate image file to 131072
+++ create fs on image file 98304
+++ mount image file
+++ resize fs to 131072
+++ umount fs
+++ check fs
+++ truncate image file to 262144
+++ create fs on image file 98304
+++ mount image file
+++ resize fs to 262144
+++ umount fs
+++ check fs
+++ truncate image file to 1966084
+++ create fs on image file 98304
+++ mount image file
+++ resize fs to 1966084
+++ umount fs
+++ check fs
+++ truncate image file to 2031616
+++ create fs on image file 98304
+++ mount image file
+++ resize fs to 2031616
+++ umount fs
+++ check fs
+++ truncate image file to 2097152
+++ create fs on image file 98304
+++ mount image file
+++ resize fs to 2097152
+++ umount fs
+++ check fs
+++ truncate image file to 20971520
+++ create fs on image file 98304
+++ mount image file
+++ resize fs to 20971520
+++ umount fs
+++ check fs
+++ truncate image file to 167772160
+++ create fs on image file 98304
+++ mount image file
+++ resize fs to 167772160
+++ umount fs
+++ check fs
++ set cluster size to 65536
+++ truncate image file to 393216
+++ create fs on image file 262144
+++ mount image file
+++ resize fs to 393216
+++ umount fs
+++ check fs
+++ truncate image file to 524272
+++ create fs on image file 393216
+++ mount image file
+++ resize fs to 524272
+++ umount fs
+++ check fs
+++ truncate image file to 524288
+++ create fs on image file 393216
+++ mount image file
+++ resize fs to 524288
+++ umount fs
+++ check fs
+++ truncate image file to 1048576
+++ create fs on image file 393216
+++ mount image file
+++ resize fs to 1048576
+++ umount fs
+++ check fs
+++ truncate image file to 7864336
+++ create fs on image file 393216
+++ mount image file
+++ resize fs to 7864336
+++ umount fs
+++ check fs
+++ truncate image file to 8126464
+++ create fs on image file 393216
+++ mount image file
+++ resize fs to 8126464
+++ umount fs
+++ check fs
+++ truncate image file to 8388608
+++ create fs on image file 393216
+++ mount image file
+++ resize fs to 8388608
+++ umount fs
+++ check fs
+++ truncate image file to 83886080
+++ create fs on image file 393216
+++ mount image file
+++ resize fs to 83886080
+++ umount fs
+++ check fs
+++ truncate image file to 671088640
+++ create fs on image file 393216
+++ mount image file
+++ resize fs to 671088640
+++ umount fs
+++ check fs
tests/ext4/group
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029 auto quick fsmap
030 auto quick dax
031 auto quick dax
032 auto quick ioctl resize
271 auto rw quick
301 aio auto ioctl rw stress defrag
302 aio auto ioctl rw stress defrag