mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Dave Chinner
1ff4192932
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
97 lines
3.0 KiB
Bash
Executable File
97 lines
3.0 KiB
Bash
Executable File
#! /bin/bash
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
# Copyright (C) 2017 SUSE Linux Products GmbH. All Rights Reserved.
|
|
#
|
|
# FS QA Test No. btrfs/149
|
|
#
|
|
# Test that an incremental send/receive operation will not fail when the
|
|
# destination filesystem has compression enabled and the source filesystem
|
|
# has a 4K extent at a file offset 0 that is not compressed and that is
|
|
# shared.
|
|
#
|
|
seq=`basename $0`
|
|
seqres=$RESULT_DIR/$seq
|
|
echo "QA output created by $seq"
|
|
|
|
tmp=/tmp/$$
|
|
status=1 # failure is the default!
|
|
trap "_cleanup; exit \$status" 0 1 2 3 15
|
|
|
|
_cleanup()
|
|
{
|
|
cd /
|
|
rm -fr $send_files_dir
|
|
rm -f $tmp.*
|
|
}
|
|
|
|
# get standard environment, filters and checks
|
|
. ./common/rc
|
|
. ./common/filter
|
|
. ./common/reflink
|
|
|
|
# real QA test starts here
|
|
_supported_fs btrfs
|
|
_supported_os Linux
|
|
_require_test
|
|
_require_scratch
|
|
_require_scratch_reflink
|
|
_require_odirect
|
|
|
|
send_files_dir=$TEST_DIR/btrfs-test-$seq
|
|
|
|
rm -f $seqres.full
|
|
rm -fr $send_files_dir
|
|
mkdir $send_files_dir
|
|
|
|
_scratch_mkfs >>$seqres.full 2>&1
|
|
_scratch_mount "-o compress"
|
|
|
|
# Write to our file using direct IO, so that this way the write ends up not
|
|
# getting compressed, that is, we get a regular extent which is neither
|
|
# inlined nor compressed.
|
|
# Alternatively, we could have mounted the fs without compression enabled,
|
|
# which would result as well in an uncompressed regular extent.
|
|
$XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 4K" $SCRATCH_MNT/foobar | _filter_xfs_io
|
|
|
|
$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
|
|
$SCRATCH_MNT/mysnap1 > /dev/null
|
|
|
|
# Clone the regular (not inlined) extent.
|
|
$XFS_IO_PROG -c "reflink $SCRATCH_MNT/foobar 0 8K 4K" $SCRATCH_MNT/foobar \
|
|
| _filter_xfs_io
|
|
|
|
$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
|
|
$SCRATCH_MNT/mysnap2 > /dev/null
|
|
|
|
$BTRFS_UTIL_PROG send -f $send_files_dir/1.snap \
|
|
$SCRATCH_MNT/mysnap1 2>&1 >/dev/null | _filter_scratch
|
|
|
|
# Now do an incremental send of the second snapshot. The send stream can have
|
|
# a clone operation to clone the extent at offset 0 to offset 8K. This operation
|
|
# would fail on the receiver if it has compression enabled, since the write
|
|
# operation of the extent at offset 0 was compressed because it was a buffered
|
|
# write operation, and btrfs' clone implementation does not allow cloning inline
|
|
# extents to offsets different from 0.
|
|
$BTRFS_UTIL_PROG send -p $SCRATCH_MNT/mysnap1 -f $send_files_dir/2.snap \
|
|
$SCRATCH_MNT/mysnap2 2>&1 >/dev/null | _filter_scratch
|
|
|
|
echo "File digests in the original filesystem:"
|
|
md5sum $SCRATCH_MNT/mysnap1/foobar | _filter_scratch
|
|
md5sum $SCRATCH_MNT/mysnap2/foobar | _filter_scratch
|
|
|
|
# Now recreate the filesystem by receiving both send streams and verify we get
|
|
# the same file content that the original filesystem had.
|
|
_scratch_unmount
|
|
_scratch_mkfs >>$seqres.full 2>&1
|
|
_scratch_mount "-o compress"
|
|
|
|
$BTRFS_UTIL_PROG receive -f $send_files_dir/1.snap $SCRATCH_MNT > /dev/null
|
|
$BTRFS_UTIL_PROG receive -f $send_files_dir/2.snap $SCRATCH_MNT > /dev/null
|
|
|
|
echo "File digests in the new filesystem:"
|
|
md5sum $SCRATCH_MNT/mysnap1/foobar | _filter_scratch
|
|
md5sum $SCRATCH_MNT/mysnap2/foobar | _filter_scratch
|
|
|
|
status=0
|
|
exit
|