#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2013 Fusion IO.  All Rights Reserved.
#
# FS QA Test No. btrfs/016
#
# btrfs send hole punch test
#
. ./common/preamble
_begin_fstest auto quick send prealloc

tmp=`mktemp -d`
tmp_dir=send_temp_$seq

. ./common/filter

_supported_fs btrfs
_require_scratch
_require_fssum
_require_xfs_io_command "falloc"

_scratch_mkfs > /dev/null 2>&1
_scratch_mount

mkdir $SCRATCH_MNT/$tmp_dir
$BTRFS_UTIL_PROG subvolume create $SCRATCH_MNT/$tmp_dir/send \
	> $seqres.full 2>&1 || _fail "failed subvolume create"

_ddt of=$SCRATCH_MNT/$tmp_dir/send/foo bs=1M count=10 >> $seqres.full \
	2>&1 || _fail "dd failed"
$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT/$tmp_dir/send \
	$SCRATCH_MNT/$tmp_dir/snap >> $seqres.full 2>&1 || _fail "failed snap"
$XFS_IO_PROG -c "fpunch 1m 1m" $SCRATCH_MNT/$tmp_dir/send/foo
$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT/$tmp_dir/send \
	$SCRATCH_MNT/$tmp_dir/snap1 >> $seqres.full 2>&1 || _fail "failed snap"

# -A disable access time check.
# And -T disable xattrs to prevent SELinux changes causing false alerts, and the
# test case only cares about hole punching.
$FSSUM_PROG -AT -f -w $tmp/fssum.snap $SCRATCH_MNT/$tmp_dir/snap >> $seqres.full \
	2>&1 || _fail "fssum gen failed"
$FSSUM_PROG -AT -f -w $tmp/fssum.snap1 $SCRATCH_MNT/$tmp_dir/snap1 >> $seqres.full \
	2>&1 || _fail "fssum gen failed"

$BTRFS_UTIL_PROG send -f $tmp/send.snap $SCRATCH_MNT/$tmp_dir/snap >> \
	$seqres.full 2>&1 || _fail "failed send"
$BTRFS_UTIL_PROG send -p $SCRATCH_MNT/$tmp_dir/snap \
	-f $tmp/send.snap1 $SCRATCH_MNT/$tmp_dir/snap1 \
	>> $seqres.full 2>&1 || _fail "failed send"

_scratch_unmount
_scratch_mkfs > /dev/null 2>&1
_scratch_mount

$BTRFS_UTIL_PROG receive -f $tmp/send.snap $SCRATCH_MNT >> $seqres.full 2>&1 \
	|| _fail "failed recv"
$BTRFS_UTIL_PROG receive -f $tmp/send.snap1 $SCRATCH_MNT >> $seqres.full 2>&1 \
	|| _fail "failed recv"

$FSSUM_PROG -r $tmp/fssum.snap $SCRATCH_MNT/snap >> $seqres.full 2>&1 \
	|| _fail "fssum failed"
$FSSUM_PROG -r $tmp/fssum.snap1 $SCRATCH_MNT/snap1 >> $seqres.full 2>&1 \
	|| _fail "fssum failed"

echo "Silence is golden"
status=0
exit