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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2015 Red Hat, Inc. All Rights Reserved.
#
# FS QA Test No. generic/347
#
# Test very basic thin device usage, exhaustion, and growth
#
#
. ./common/preamble
_begin_fstest auto quick rw thin
BACKING_SIZE=$((500 * 1024 * 1024 / 512)) # 500M
VIRTUAL_SIZE=$((10 * $BACKING_SIZE)) # 5000M
GROW_SIZE=$((100 * 1024 * 1024 / 512)) # 100M
# Override the default cleanup function.
_cleanup()
{
_dmthin_cleanup
rm -f $tmp.*
}
_setup_thin()
{
_dmthin_init $BACKING_SIZE $VIRTUAL_SIZE
_dmthin_set_queue
_dmthin_mkfs
_dmthin_mount
}
_workout()
{
# Overfill it by a bit
for I in `seq 1 500`; do
$XFS_IO_PROG -f -c "pwrite -W 0 1M" $SCRATCH_MNT/file$I &>/dev/null
done
sync
_dmthin_grow $GROW_SIZE
# Write a little more, but don't fill
for I in `seq 501 510`; do
$XFS_IO_PROG -f -c "pwrite 0 1M" $SCRATCH_MNT/file$I &>/dev/null
done
}
# Import common functions.
. ./common/dmthin
_supported_fs generic
_require_scratch_nocheck
_require_dm_target thin-pool
_setup_thin
_workout
_dmthin_check_fs
_dmthin_cleanup
echo "=== completed"
status=0
exit
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