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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2023 Oracle. All Rights Reserved.
#
# FS QA Test 298
#
# Check if the device scan registers for a single-device seed and drops
# it from the kernel if it is eventually marked as non-seed.
#
. ./common/preamble
_begin_fstest auto quick seed
_supported_fs btrfs
_require_command "$BTRFS_TUNE_PROG" btrfstune
_require_command "$WIPEFS_PROG" wipefs
_require_scratch_dev_pool 2
_scratch_dev_pool_get 1
_spare_dev_get
$WIPEFS_PROG -a $SCRATCH_DEV
$WIPEFS_PROG -a $SPARE_DEV
echo "#setup seed sprout device" >> $seqres.full
_scratch_mkfs "-b 300M" >> $seqres.full 2>&1 || \
_fail "Fail to make SCRATCH_DEV with -b 300M"
$BTRFS_TUNE_PROG -S 1 $SCRATCH_DEV
_scratch_mount >> $seqres.full 2>&1
$BTRFS_UTIL_PROG device add $SPARE_DEV $SCRATCH_MNT >> $seqres.full
_scratch_unmount
$BTRFS_UTIL_PROG device scan --forget
echo "#Scan seed device and check using mount" >> $seqres.full
$BTRFS_UTIL_PROG device scan $SCRATCH_DEV >> $seqres.full
_mount $SPARE_DEV $SCRATCH_MNT
umount $SCRATCH_MNT
echo "#check again, ensures seed device still in kernel" >> $seqres.full
_mount $SPARE_DEV $SCRATCH_MNT
umount $SCRATCH_MNT
echo "#Now scan of non-seed device makes kernel forget" >> $seqres.full
$BTRFS_TUNE_PROG -f -S 0 $SCRATCH_DEV >> $seqres.full 2>&1
$BTRFS_UTIL_PROG device scan $SCRATCH_DEV >> $seqres.full
echo "#Sprout mount must fail for missing seed device" >> $seqres.full
_mount $SPARE_DEV $SCRATCH_MNT > /dev/null 2>&1
[[ $? == 32 ]] || _fail "mount failed to fail"
_spare_dev_put
_scratch_dev_pool_put
# success, all done
echo Silence is golden
status=0
exit
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