72 lines
2.8 KiB
Bash
72 lines
2.8 KiB
Bash
|
#!/usr/bin/env bash
|
||
|
|
# SPDX-License-Identifier: BSD-3-Clause
|
||
|
|
# Copyright (C) 2023 SUSE LLC.
|
||
|
|
# All rights reserved.
|
||
|
|
#
|
||
|
|
testdir=$(readlink -f $(dirname $0))
|
||
|
|
rootdir=$(readlink -f $testdir/../..)
|
||
|
|
source $rootdir/test/common/autotest_common.sh
|
||
|
|
source $rootdir/test/lvol/common.sh
|
||
|
|
source $rootdir/test/bdev/nbd_common.sh
|
||
|
|
|
||
|
|
function test_shallow_copy_compare() {
|
||
|
|
# Create lvs
|
||
|
|
bs_malloc_name=$(rpc_cmd bdev_malloc_create 20 $MALLOC_BS)
|
||
|
|
lvs_uuid=$(rpc_cmd bdev_lvol_create_lvstore "$bs_malloc_name" lvs_test)
|
||
|
|
|
||
|
|
# Create lvol with 4 cluster
|
||
|
|
lvol_size=$((LVS_DEFAULT_CLUSTER_SIZE_MB * 4))
|
||
|
|
lvol_uuid=$(rpc_cmd bdev_lvol_create -u "$lvs_uuid" lvol_test "$lvol_size" -t)
|
||
|
|
|
||
|
|
# Fill second and fourth cluster of lvol
|
||
|
|
nbd_start_disks "$DEFAULT_RPC_ADDR" "$lvol_uuid" /dev/nbd0
|
||
|
|
dd if=/dev/urandom of=/dev/nbd0 oflag=direct bs="$LVS_DEFAULT_CLUSTER_SIZE" count=1 seek=1
|
||
|
|
dd if=/dev/urandom of=/dev/nbd0 oflag=direct bs="$LVS_DEFAULT_CLUSTER_SIZE" count=1 seek=3
|
||
|
|
nbd_stop_disks "$DEFAULT_RPC_ADDR" /dev/nbd0
|
||
|
|
|
||
|
|
# Create snapshots of lvol bdev
|
||
|
|
snapshot_uuid=$(rpc_cmd bdev_lvol_snapshot lvs_test/lvol_test lvol_snapshot)
|
||
|
|
|
||
|
|
# Fill first and third cluster of lvol
|
||
|
|
nbd_start_disks "$DEFAULT_RPC_ADDR" "$lvol_uuid" /dev/nbd0
|
||
|
|
dd if=/dev/urandom of=/dev/nbd0 oflag=direct bs="$LVS_DEFAULT_CLUSTER_SIZE" count=1
|
||
|
|
dd if=/dev/urandom of=/dev/nbd0 oflag=direct bs="$LVS_DEFAULT_CLUSTER_SIZE" count=1 seek=2
|
||
|
|
nbd_stop_disks "$DEFAULT_RPC_ADDR" /dev/nbd0
|
||
|
|
|
||
|
|
# Set lvol as read only to perform the copy
|
||
|
|
rpc_cmd bdev_lvol_set_read_only "$lvol_uuid"
|
||
|
|
|
||
|
|
# Create external bdev to make a shallow copy of lvol on
|
||
|
|
ext_malloc_name=$(rpc_cmd bdev_malloc_create "$lvol_size" $MALLOC_BS)
|
||
|
|
|
||
|
|
# Make a shallow copy of lvol over external bdev
|
||
|
|
rpc_cmd bdev_lvol_shallow_copy "$lvol_uuid" "$ext_malloc_name"
|
||
|
|
|
||
|
|
# Create nbd devices of lvol and external bdev for comparison
|
||
|
|
nbd_start_disks "$DEFAULT_RPC_ADDR" "$lvol_uuid" /dev/nbd0
|
||
|
|
nbd_start_disks "$DEFAULT_RPC_ADDR" "$ext_malloc_name" /dev/nbd1
|
||
|
|
|
||
|
|
# Compare lvol and external bdev in first and third cluster
|
||
|
|
cmp -n "$LVS_DEFAULT_CLUSTER_SIZE" /dev/nbd0 /dev/nbd1
|
||
|
|
cmp -n "$LVS_DEFAULT_CLUSTER_SIZE" /dev/nbd0 /dev/nbd1 "$((LVS_DEFAULT_CLUSTER_SIZE * 2))" "$((LVS_DEFAULT_CLUSTER_SIZE * 2))"
|
||
|
|
|
||
|
|
# Check that second and fourth cluster of external bdev are zero filled
|
||
|
|
cmp -n "$LVS_DEFAULT_CLUSTER_SIZE" /dev/nbd1 /dev/zero "$LVS_DEFAULT_CLUSTER_SIZE"
|
||
|
|
cmp -n "$LVS_DEFAULT_CLUSTER_SIZE" /dev/nbd1 /dev/zero "$((LVS_DEFAULT_CLUSTER_SIZE * 3))"
|
||
|
|
|
||
|
|
# Stop nbd devices
|
||
|
|
nbd_stop_disks "$DEFAULT_RPC_ADDR" /dev/nbd1
|
||
|
|
nbd_stop_disks "$DEFAULT_RPC_ADDR" /dev/nbd0
|
||
|
|
}
|
||
|
|
|
||
|
|
$SPDK_BIN_DIR/spdk_tgt &
|
||
|
|
spdk_pid=$!
|
||
|
|
trap 'killprocess "$spdk_pid"; exit 1' SIGINT SIGTERM EXIT
|
||
|
|
waitforlisten $spdk_pid
|
||
|
|
modprobe nbd
|
||
|
|
|
||
|
|
run_test "test_shallow_copy_compare" test_shallow_copy_compare
|
||
|
|
|
||
|
|
trap - SIGINT SIGTERM EXIT
|
||
|
|
killprocess $spdk_pid
|