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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2018 Oracle.  All Rights Reserved.
#
# FS QA Test 164 seed device delete test
#
# Test case to verify that a seed device can be deleted
#  Create a seed device
#  Create a sprout device
#  Remount RW
#  Run device delete on the seed device
. ./common/preamble
_begin_fstest auto quick volume remount

# Override the default cleanup function.
_cleanup()
{
	cd /
	rm -f $tmp.*
	_btrfs_rescan_devices
}

_supported_fs btrfs
_require_btrfs_forget_or_module_loadable
_require_scratch_dev_pool 2

_scratch_dev_pool_get 2

dev_seed=$(echo $SCRATCH_DEV_POOL | $AWK_PROG '{print $1}')
dev_sprout=$(echo $SCRATCH_DEV_POOL | $AWK_PROG '{print $2}')

create_seed()
{
	_mkfs_dev $dev_seed
	run_check _mount $dev_seed $SCRATCH_MNT
	$XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 256K" $SCRATCH_MNT/foobar >\
		/dev/null
	echo -- gloden --
	od -x $SCRATCH_MNT/foobar
	_btrfs filesystem show -m $SCRATCH_MNT
	_scratch_unmount
	$BTRFS_TUNE_PROG -S 1 $dev_seed
	run_check _mount $dev_seed $SCRATCH_MNT
}

add_sprout()
{
	_btrfs device add -f $dev_sprout $SCRATCH_MNT >>\
		$seqres.full
	run_check mount -o rw,remount $dev_seed $SCRATCH_MNT
	_btrfs filesystem show -m $SCRATCH_MNT
}

delete_seed()
{
	_btrfs device delete $dev_seed $SCRATCH_MNT
	_scratch_unmount
	_btrfs_forget_or_module_reload
	run_check _mount $dev_sprout $SCRATCH_MNT
	_btrfs filesystem show -m $SCRATCH_MNT
	echo -- sprout --
	od -x $SCRATCH_MNT/foobar
	_scratch_unmount
}

seed_is_mountable()
{
	run_check _mount $dev_seed $SCRATCH_MNT
	_btrfs filesystem show -m $SCRATCH_MNT
	_scratch_unmount
}

create_seed
add_sprout
delete_seed

seed_is_mountable

_scratch_dev_pool_put
_btrfs_rescan_devices

status=0
exit