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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2014 Filipe Manana. All Rights Reserved.
#
# FS QA Test No. btrfs/025
#
# Test for an issue in btrfs send where it sent clone operations to user
# space with a range (offset + length) that was not aligned with the block
# size. This caused the btrfs receive command to send such clone operations
# to the ioctl clone API, which would return -EINVAL errors to btrfs receive,
# causing the receive command to abort immediately.
#
. ./common/preamble
_begin_fstest auto quick send clone prealloc
tmp=`mktemp -d`
# Override the default cleanup function.
_cleanup()
{
rm -fr $tmp
}
. ./common/filter
_supported_fs btrfs
_require_scratch
_require_xfs_io_command "falloc"
_scratch_mkfs >/dev/null 2>&1
_scratch_mount
run_check $XFS_IO_PROG -f -c "truncate 819200" $SCRATCH_MNT/foo
_btrfs filesystem sync $SCRATCH_MNT
run_check $XFS_IO_PROG -c "falloc -k 819200 667648" $SCRATCH_MNT/foo
_btrfs filesystem sync $SCRATCH_MNT
run_check $XFS_IO_PROG -c "pwrite 1482752 2978" $SCRATCH_MNT/foo
_btrfs filesystem sync $SCRATCH_MNT
_btrfs subvolume snapshot -r $SCRATCH_MNT \
$SCRATCH_MNT/mysnap1
run_check $XFS_IO_PROG -c "truncate 883305" $SCRATCH_MNT/foo
_btrfs filesystem sync $SCRATCH_MNT
_btrfs subvolume snapshot -r $SCRATCH_MNT \
$SCRATCH_MNT/mysnap2
_btrfs send -f $tmp/1.snap $SCRATCH_MNT/mysnap1
_btrfs send -p $SCRATCH_MNT/mysnap1 -f $tmp/2.snap \
$SCRATCH_MNT/mysnap2 2>&1
md5sum $SCRATCH_MNT/foo | _filter_scratch
md5sum $SCRATCH_MNT/mysnap1/foo | _filter_scratch
md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch
_scratch_unmount
_check_btrfs_filesystem $SCRATCH_DEV
_scratch_mkfs >/dev/null 2>&1
_scratch_mount
_btrfs receive -f $tmp/1.snap $SCRATCH_MNT
md5sum $SCRATCH_MNT/mysnap1/foo | _filter_scratch
_btrfs receive -f $tmp/2.snap $SCRATCH_MNT
md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch
_scratch_unmount
_check_btrfs_filesystem $SCRATCH_DEV
status=0
exit
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