#!/bin/bash
set -x
# Warning the contents of DATA_DEV and META_DEV will be over written by this test
DATA_DEV=/dev/xxx
META_DEV=/dev/xxx

THIN_ID=7
SNAP_ID=8

DATA_SIZE=`blockdev --getsize $DATA_DEV`

THIN_DEV_NAME=xfs-thin-dev
THIN_SNAPSHOT_DEV_NAME=xfs-thin-dev-snapshot
THIN_POOL_NAME=xfs-test-pool

DATA_BLOCK_SIZE=2048
LOWATER_MARK=512
THIN_VIRT_SIZE=2147483648

# Zero any stale labels on the test devices
dd if=/dev/zero of=$DATA_DEV bs=2048 count=4
dd if=/dev/zero of=$META_DEV bs=2048 count=4

dmsetup create $THIN_POOL_NAME \
        --table "0 $DATA_SIZE thin-pool $META_DEV $DATA_DEV \
                 $DATA_BLOCK_SIZE $LOWATER_MARK"

dmsetup message /dev/mapper/$THIN_POOL_NAME 0 "create_thin $THIN_ID"
dmsetup create $THIN_DEV_NAME --table "0 $THIN_VIRT_SIZE thin /dev/mapper/$THIN_POOL_NAME $THIN_ID"
time mkfs.xfs /dev/mapper/$THIN_DEV_NAME

dmsetup status /dev/mapper/$THIN_POOL_NAME

dmsetup suspend /dev/mapper/$THIN_DEV_NAME
dmsetup message /dev/mapper/$THIN_POOL_NAME 0 "create_snap $SNAP_ID $THIN_ID"
dmsetup resume /dev/mapper/$THIN_DEV_NAME

dmsetup create $THIN_SNAPSHOT_DEV_NAME --table "0 $THIN_VIRT_SIZE thin /dev/mapper/$THIN_POOL_NAME $SNAP_ID"

dmsetup status /dev/mapper/$THIN_POOL_NAME

time xfs_admin -U 7e13b6e5-3be2-4ee4-a8d4-23ab8f59b91b /dev/mapper/$THIN_SNAPSHOT_DEV_NAME

dmsetup status /dev/mapper/$THIN_POOL_NAME

sleep 2

dmsetup remove $THIN_DEV_NAME $THIN_SNAPSHOT_DEV_NAME $THIN_POOL_NAME