--- /dev/null
+#! /bin/bash
+# FS QA Test No. generic/347
+#
+# Test very basic thin device usage, exhaustion, and growth
+#
+# Copyright (c) 2015 Red Hat, Inc. 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
+
+BACKING_SIZE=$((500 * 1024 * 1024 / 512)) # 500M
+VIRTUAL_SIZE=$((10 * $BACKING_SIZE)) # 5000M
+GROW_SIZE=$((100 * 1024 * 1024 / 512)) # 100M
+
+_cleanup()
+{
+ _dmthin_cleanup
+ rm -f $tmp.*
+}
+
+_setup_thin()
+{
+ _dmthin_init $BACKING_SIZE $VIRTUAL_SIZE
+ _dmthin_set_queue
+ _mkfs_dev $DMTHIN_VOL_DEV
+ _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
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/dmthin
+
+_supported_fs generic
+_supported_os Linux
+_require_dm_target thin-pool
+
+_setup_thin
+_workout
+_dmthin_check_fs
+_dmthin_cleanup
+
+echo "=== completed"
+
+status=0
+exit