On Tue, Dec 09, 2014 at 11:27:26PM +0400, Dmitry Monakhov wrote:
> Perform online fs-resize(from 1T to 15T) and check that fs is usable
>
> Signed-off-by: Dmitry Monakhov <dmonakhov@xxxxxxxxxx>
> ---
> tests/ext4/004 | 100 +++++++++++++++++++++++++++++++++++++++++++++++++++++
> tests/ext4/004.out | 16 +++++++++
> tests/ext4/group | 1 +
> 3 files changed, 117 insertions(+)
> create mode 100755 tests/ext4/004
> create mode 100644 tests/ext4/004.out
>
> diff --git a/tests/ext4/004 b/tests/ext4/004
> new file mode 100755
> index 0000000..0c54ade
> --- /dev/null
> +++ b/tests/ext4/004
> @@ -0,0 +1,100 @@
> +#! /bin/bash
> +# FS QA Test No. 004
> +#
> +# Online resize2fs functional test
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (c) 2014 Dmitry Monakhov. 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 "_cleanup; exit \$status" 0 1 2 3 15
> +
> +
> +_cleanup()
> +{
> + _scratch_unmount
> +}
Why the custom cleanup function? It needs to cleanup $tmp, the test
harness will unmount the scratch device.
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +
> +E2FSCK_PROG="`set_prog_path e2fsck`"
> +RESIZE2FS_PROG="`set_prog_path resize2fs`"
> +_supported_fs ext4
> +_supported_os Linux
> +_require_command $MKFS_EXT4_PROG mkfs.ext4
> +_require_command $E2FSCK_PROG e2fsck
> +_require_command $RESIZE2FS_PROG resize2fs
> +_require_scratch
> +
> +# real QA test starts here
> +_scratch_mkfs >> $seqres.full 2>&1
> +_scratch_mount
> +mkdir $SCRATCH_MNT/mnt
> +touch $SCRATCH_MNT/img
LOOP_DEV=$SCRATCH_MNT/img
LOOP_MNT=$SCRATCH_MNT/mnt
and use those everywhere.
> +truncate --size 1G $SCRATCH_MNT/img || _fail "Can not grow $SCRATCH_MNT/img"
$XFS_IO_PROG -c "truncate 1g" ....
> +$MKFS_EXT4_PROG -F -b 4096 -i $((1024*1024*64)) $MKFS_OPTIONS -O 64bit $SCRATCH_MNT/img \
> + >> $seqres.full 2>&1 || _fail "$MKFS_EXT4_PROG failed see $seqres.full"
Indents are 8 space tabs. i.e.
$MKFS_EXT4_PROG -F -b 4096 -i $((1024*1024*64)) \
$MKFS_OPTIONS -O 64bit $SCRATCH_MNT/img >> $seqres.full 2>&1 || \
_fail "$MKFS_EXT4_PROG failed see $seqres.full"
> +
> +for ((size = 1; size < 16; size++))
> +do
> + truncate --size ${size}T $SCRATCH_MNT/img || _fail "Can not grow $SCRATCH_MNT/img file"
> + loop=`_create_loop_device $SCRATCH_MNT/img`
> + _mount -t $FSTYP $MOUNT_OPTIONS $loop $SCRATCH_MNT/mnt
> +
> + echo "Resize to ${size}T"
> + $RESIZE2FS_PROG $loop >> $seqres.full 2>&1 || \
> + _fail "Could not resize FS to $size Tb"
8 space tabs.
> + du -sch $SCRATCH_MNT/img >> $seqres.full
> + # Create space-holders
> + for ((i=0 ; i < 1000;i++))
> + do
> + fallocate -l 1001M $SCRATCH_MNT/mnt/space-$size-$i
$XFS_IO_PROG -c "falloc ...
Also 8 space tabs...
> + done
> +
> + # Consume all space remaining
> + fallocate -l 1T $SCRATCH_MNT/mnt/space-$size-last 2> /dev/null && \
> + _fail "Too may space consumed"
Same.
> + # Cut 1Mb for eash space-holders in order to create very fragmented fs
> + for ((i=0 ; i < 1000;i++))
> + do
> + truncate --size 1000M $SCRATCH_MNT/mnt/space-$size-$i
$XFS_IO_PROG -c "truncate 1000m" ....
Cheers,
Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
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