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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
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()
{
cd /
rm -f $tmp.*
_btrfs_rescan_devices
}
# get standard environment, filters and checks
. ./common/rc
. ./common/module
# remove previous $seqres.full before test
rm -f $seqres.full
# real QA test starts here
# Modify as appropriate.
_supported_fs btrfs
_require_btrfs_forget_or_module_loadable
_require_scratch_dev_pool 2
_scratch_dev_pool_get 2
dev_seed=$(echo $SCRATCH_DEV_POOL | awk '{print $1}')
dev_sprout=$(echo $SCRATCH_DEV_POOL | awk '{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
_run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
_scratch_unmount
$BTRFS_TUNE_PROG -S 1 $dev_seed
run_check _mount $dev_seed $SCRATCH_MNT
}
add_sprout()
{
_run_btrfs_util_prog device add -f $dev_sprout $SCRATCH_MNT
run_check mount -o rw,remount $dev_seed $SCRATCH_MNT
_run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
}
delete_seed()
{
_run_btrfs_util_prog device delete $dev_seed $SCRATCH_MNT
_scratch_unmount
_btrfs_forget_or_module_reload
run_check _mount $dev_sprout $SCRATCH_MNT
_run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
echo -- sprout --
od -x $SCRATCH_MNT/foobar
_scratch_unmount
}
seed_is_mountable()
{
run_check _mount $dev_seed $SCRATCH_MNT
_run_btrfs_util_prog 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
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