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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2015 Oracle. All Rights Reserved.
#
# FS QA Test No. btrfs/100
#
# Test device replace works when the source device has EIO
#
#
. ./common/preamble
_begin_fstest auto replace volume eio
# Override the default cleanup function.
_cleanup()
{
_dmerror_cleanup
rm -f $tmp.*
}
# Import common functions.
. ./common/filter
. ./common/filter.btrfs
. ./common/dmerror
_supported_fs btrfs
_require_scratch_dev_pool 3
_require_dm_target error
dev1="`echo $SCRATCH_DEV_POOL | $AWK_PROG '{print $2}'`"
dev2="`echo $SCRATCH_DEV_POOL | $AWK_PROG '{print $3}'`"
_dmerror_init
_mkfs_dev "-f -d raid1 -m raid1 $dev1 $DMERROR_DEV"
_dmerror_mount
_run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
$BTRFS_UTIL_PROG filesystem show -m $SCRATCH_MNT | _filter_btrfs_filesystem_show
error_devid=`$BTRFS_UTIL_PROG filesystem show -m $SCRATCH_MNT |\
grep -E $DMERROR_DEV | $AWK_PROG '{print $2}'`
snapshot_cmd="$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT"
snapshot_cmd="$snapshot_cmd $SCRATCH_MNT/snap_\`date +'%H_%M_%S_%N'\`"
run_check $FSSTRESS_PROG -d $SCRATCH_MNT -n 200 -p 8 $FSSTRESS_AVOID -x \
"$snapshot_cmd" -X 50
# now load the error into the DMERROR_DEV
_dmerror_load_error_table
_run_btrfs_util_prog replace start -B $error_devid $dev2 $SCRATCH_MNT
_run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
$BTRFS_UTIL_PROG filesystem show -m $SCRATCH_MNT | _filter_btrfs_filesystem_show
echo "=== device replace completed"
status=0; exit
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