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#!/bin/ksh -p
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2015, Delphix. All rights reserved.
# Copyright (c) 2019, Kjeld Schouten-Lebbing. All rights reserved.
#
. $STF_SUITE/tests/functional/rsend/rsend.kshlib
. $STF_SUITE/include/properties.shlib
#
# Description:
# Verify that the amount of data in a send -c stream matches compressratio.
#
# Strategy:
# 1. For random compression types, and compressible / incompressible data:
# 2. Create a snap with data
# 3. Compare the size of the stream with the data on the dataset, adjusted
# by compressratio for normal send, and compared to used for send -c.
#
verify_runnable "both"
log_assert "Verify send -c streams are compressed"
log_onexit cleanup_pool $POOL2
typeset sendfs=$POOL2/$FS
typeset megs=128
for prop in "${compress_prop_vals[@]}"; do
for compressible in 'yes' 'no'; do
log_must zfs create -o compress=$prop $sendfs
if [[ $compressible = 'yes' ]]; then
write_compressible $(get_prop mountpoint $sendfs) \
${megs}m
else
typeset file="$(get_prop mountpoint $sendfs)/ddfile"
log_must dd if=/dev/urandom of=$file bs=1024k count=$megs
fi
log_must zfs snapshot $sendfs@snap
# Calculate the sizes and verify the compression ratio.
log_must eval "zfs send $sendfs@snap >$BACKDIR/uncompressed"
verify_stream_size $BACKDIR/uncompressed $sendfs
log_must eval "zfs send -c $sendfs@snap >$BACKDIR/compressed"
verify_stream_size $BACKDIR/compressed $sendfs
log_must rm $BACKDIR/uncompressed $BACKDIR/compressed
log_must_busy zfs destroy -r $sendfs
done
done
log_pass "Verify send -c streams are compressed"
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