mirror of
https://github.com/linux-apfs/apfstests.git
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Dave Chinner
1ff4192932
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
104 lines
3.1 KiB
Bash
Executable File
104 lines
3.1 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2015 SUSE Linux Products GmbH. All Rights Reserved.
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#
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# FS QA Test No. btrfs/110
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#
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# Test that sending and receiving snapshots across different filesystems works
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# for full and incremental send operations.
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -fr $send_files_dir
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_fs btrfs
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_supported_os Linux
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_require_scratch
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send_files_dir=$TEST_DIR/btrfs-test-$seq
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rm -f $seqres.full
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rm -fr $send_files_dir
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mkdir $send_files_dir
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_scratch_mkfs >>$seqres.full 2>&1
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_scratch_mount
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# Create a test file
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$XFS_IO_PROG -f -c "pwrite -S 0xaa 0K 32K" $SCRATCH_MNT/foo | _filter_xfs_io
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# Create the first snapshot.
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_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/snap1
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echo "File digest in the first filesystem, first snapshot:"
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md5sum $SCRATCH_MNT/snap1/foo | _filter_scratch
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# Save send stream for this snapshot.
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_run_btrfs_util_prog send -f $send_files_dir/1.snap $SCRATCH_MNT/snap1
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# Create a new filesystem and receive the snapshot.
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_scratch_unmount
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_scratch_mkfs >>$seqres.full 2>&1
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_scratch_mount
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_run_btrfs_util_prog receive -f $send_files_dir/1.snap $SCRATCH_MNT
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echo "File digest in the second filesystem, first snapshot:"
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# Must match the digest we got in the first filesystem.
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md5sum $SCRATCH_MNT/snap1/foo | _filter_scratch
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# Snapshot the first snapshot as rw, modify this new snapshot and then snapshot
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# it as RO to use in a send operation (send requires RO snapshots).
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_run_btrfs_util_prog subvolume snapshot $SCRATCH_MNT/snap1 $SCRATCH_MNT/snap2_rw
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$XFS_IO_PROG -c "pwrite -S 0xbb 4K 4K" \
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$SCRATCH_MNT/snap2_rw/foo | _filter_xfs_io
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_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT/snap2_rw \
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$SCRATCH_MNT/snap2
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echo "File digest in the second filesystem, second snapshot:"
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md5sum $SCRATCH_MNT/snap2/foo | _filter_scratch
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_run_btrfs_util_prog send -p $SCRATCH_MNT/snap1 -f $send_files_dir/2.snap \
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$SCRATCH_MNT/snap2
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# Create a new filesystem and receive both the first snapshot, through the first
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# send stream we created, and the second snapshot through the incremental send
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# stream we just created. Verify this works and the file data is correct in both
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# snapshots.
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_scratch_unmount
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_scratch_mkfs >>$seqres.full 2>&1
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_scratch_mount
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_run_btrfs_util_prog receive -f $send_files_dir/1.snap $SCRATCH_MNT
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# Receiving the second snapshot used to fail because the send stream used an
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# incorrect value for the clone sources uuid field - it used the uuid of
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# snapshot 1, which is different on each filesystem, instead of the received
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# uuid value, which is preserved across different filesystems.
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_run_btrfs_util_prog receive -f $send_files_dir/2.snap $SCRATCH_MNT
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echo "File digests in the third filesystem:"
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# Must match the digests we got in the previous filesystems.
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md5sum $SCRATCH_MNT/snap1/foo | _filter_scratch
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md5sum $SCRATCH_MNT/snap2/foo | _filter_scratch
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status=0
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exit
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