| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (C) 2017 SUSE Linux Products GmbH. All Rights Reserved. |
| # |
| # FS QA Test No. btrfs/137 |
| # |
| # Test that both incremental and full send operations preserve file holes. |
| # |
| 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 $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/punch |
| |
| # real QA test starts here |
| _supported_fs btrfs |
| _require_test |
| _require_scratch |
| _require_xfs_io_command "fiemap" |
| |
| send_files_dir=$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 |
| |
| # Create the first test file. |
| $XFS_IO_PROG -f -c "pwrite -S 0xaa 0 4K" $SCRATCH_MNT/foo | _filter_xfs_io |
| |
| # Create a second test file with a 1Mb hole. |
| $XFS_IO_PROG -f \ |
| -c "pwrite -S 0xaa 0 4K" \ |
| -c "pwrite -S 0xbb 1028K 4K" \ |
| $SCRATCH_MNT/bar | _filter_xfs_io |
| |
| $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \ |
| $SCRATCH_MNT/snap1 >/dev/null |
| |
| # Now add one new extent to our first test file, increasing its size and leaving |
| # a 1Mb hole between the first extent and this new extent. |
| $XFS_IO_PROG -c "pwrite -S 0xbb 1028K 4K" $SCRATCH_MNT/foo | _filter_xfs_io |
| |
| # Now overwrite the last extent of our second test file. |
| $XFS_IO_PROG -c "pwrite -S 0xcc 1028K 4K" $SCRATCH_MNT/bar | _filter_xfs_io |
| |
| $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \ |
| $SCRATCH_MNT/snap2 >/dev/null |
| |
| echo |
| echo "File digests in the original filesystem:" |
| md5sum $SCRATCH_MNT/snap1/foo | _filter_scratch |
| md5sum $SCRATCH_MNT/snap1/bar | _filter_scratch |
| md5sum $SCRATCH_MNT/snap2/foo | _filter_scratch |
| md5sum $SCRATCH_MNT/snap2/bar | _filter_scratch |
| |
| echo |
| echo "File snap1/foo fiemap results in the original filesystem:" |
| $XFS_IO_PROG -r -c "fiemap -v" $SCRATCH_MNT/snap1/foo | _filter_fiemap |
| echo |
| echo "File snap1/bar fiemap results in the original filesystem:" |
| $XFS_IO_PROG -r -c "fiemap -v" $SCRATCH_MNT/snap1/bar | _filter_fiemap |
| echo |
| echo "File snap2/foo fiemap results in the original filesystem:" |
| $XFS_IO_PROG -r -c "fiemap -v" $SCRATCH_MNT/snap2/foo | _filter_fiemap |
| echo |
| echo "File snap2/bar fiemap results in the original filesystem:" |
| $XFS_IO_PROG -r -c "fiemap -v" $SCRATCH_MNT/snap2/bar | _filter_fiemap |
| echo |
| |
| # Create the send streams to apply later on a new filesystem. |
| $BTRFS_UTIL_PROG send -f $send_files_dir/1.snap $SCRATCH_MNT/snap1 2>&1 \ |
| | _filter_scratch |
| $BTRFS_UTIL_PROG send -p $SCRATCH_MNT/snap1 -f $send_files_dir/2.snap \ |
| $SCRATCH_MNT/snap2 2>&1 | _filter_scratch |
| |
| # Create a new filesystem, receive the send streams and verify that the file |
| # contents are the same as in the original filesystem and that the file holes |
| # exists in both snapshots. |
| _scratch_unmount |
| _scratch_mkfs >>$seqres.full 2>&1 |
| _scratch_mount |
| $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 |
| echo "File digests in the new filesystem:" |
| md5sum $SCRATCH_MNT/snap1/foo | _filter_scratch |
| md5sum $SCRATCH_MNT/snap1/bar | _filter_scratch |
| md5sum $SCRATCH_MNT/snap2/foo | _filter_scratch |
| md5sum $SCRATCH_MNT/snap2/bar | _filter_scratch |
| |
| echo |
| echo "File snap1/foo fiemap results in the new filesystem:" |
| $XFS_IO_PROG -r -c "fiemap -v" $SCRATCH_MNT/snap1/foo | _filter_fiemap |
| echo |
| echo "File snap1/bar fiemap results in the new filesystem:" |
| $XFS_IO_PROG -r -c "fiemap -v" $SCRATCH_MNT/snap1/bar | _filter_fiemap |
| echo |
| echo "File snap2/foo fiemap results in the new filesystem:" |
| $XFS_IO_PROG -r -c "fiemap -v" $SCRATCH_MNT/snap2/foo | _filter_fiemap |
| echo |
| echo "File snap2/bar fiemap results in the new filesystem:" |
| $XFS_IO_PROG -r -c "fiemap -v" $SCRATCH_MNT/snap2/bar | _filter_fiemap |
| |
| status=0 |
| exit |