mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
a860a167d8
fstests only supports Linux, so get rid of this unnecessary predicate. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
110 lines
3.9 KiB
Bash
Executable File
110 lines
3.9 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2017 SUSE Linux Products GmbH. All Rights Reserved.
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#
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# FS QA Test No. btrfs/149
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#
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# Test that an incremental send/receive operation will not fail when the
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# destination filesystem has compression enabled and the source filesystem
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# has an extent at a file offset 0 that is not compressed and that is
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# shared.
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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 $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/reflink
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# real QA test starts here
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_supported_fs btrfs
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_require_test
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_require_scratch
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_require_scratch_reflink
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_require_odirect
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_require_btrfs_command inspect-internal dump-super
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send_files_dir=$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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# On 64K pagesize systems the compression is more efficient, so max_inline
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# helps to create regular (non inline) extent irrespective of the final
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# write size.
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_scratch_mount "-o compress -o max_inline=0"
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# Write to our file using direct IO, so that this way the write ends up not
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# getting compressed, that is, we get a regular extent which is neither
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# inlined nor compressed.
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# Alternatively, we could have mounted the fs without compression enabled,
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# which would result as well in an uncompressed regular extent.
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sectorsize=$(_scratch_btrfs_sectorsize)
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$XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 $sectorsize" $SCRATCH_MNT/foobar |\
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_filter_xfs_io_numbers
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$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
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$SCRATCH_MNT/mysnap1 > /dev/null
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# Clone the regular (not inlined) extent.
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$XFS_IO_PROG -c \
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"reflink $SCRATCH_MNT/foobar 0 $((2 * $sectorsize)) $sectorsize" \
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$SCRATCH_MNT/foobar | _filter_xfs_io_numbers
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$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
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$SCRATCH_MNT/mysnap2 > /dev/null
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$BTRFS_UTIL_PROG send -f $send_files_dir/1.snap \
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$SCRATCH_MNT/mysnap1 2>&1 >/dev/null | _filter_scratch
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# Now do an incremental send of the second snapshot. The send stream can have
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# a clone operation to clone the extent at offset 0 to offset (2 x sectorsize).
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# This operation would fail on the receiver if it has compression enabled, since
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# the write operation of the extent at offset 0 was compressed because it was a
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# buffered write operation, and btrfs' clone implementation does not allow
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# cloning inline extents to offsets different from 0.
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$BTRFS_UTIL_PROG send -p $SCRATCH_MNT/mysnap1 -f $send_files_dir/2.snap \
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$SCRATCH_MNT/mysnap2 2>&1 >/dev/null | _filter_scratch
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sum_src_snap1=$(md5sum $SCRATCH_MNT/mysnap1/foobar | awk '{print $1}')
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sum_src_snap2=$(md5sum $SCRATCH_MNT/mysnap2/foobar | awk '{print $1}')
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echo "File digests in the original filesystem:" >> $seqres.full
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echo "md5sum $SCRATCH_MNT/mysnap1/foobar " $sum_src_snap1 >> $seqres.full
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echo "md5sum $SCRATCH_MNT/mysnap2/foobar " $sum_src_snap2 >> $seqres.full
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# Now recreate the filesystem by receiving both send streams and verify we get
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# the same file content that the original filesystem had.
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_scratch_unmount
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_scratch_mkfs >>$seqres.full 2>&1
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_scratch_mount "-o compress"
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$BTRFS_UTIL_PROG receive -f $send_files_dir/1.snap $SCRATCH_MNT > /dev/null
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$BTRFS_UTIL_PROG receive -f $send_files_dir/2.snap $SCRATCH_MNT > /dev/null
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sum_dest_snap1=$(md5sum $SCRATCH_MNT/mysnap1/foobar | awk '{print $1}')
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sum_dest_snap2=$(md5sum $SCRATCH_MNT/mysnap2/foobar | awk '{print $1}')
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echo "File digests in the new filesystem:" | tee -a $seqres.full
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echo "md5sum $SCRATCH_MNT/mysnap1/foobar " $sum_src_snap1 >> $seqres.full
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echo "md5sum $SCRATCH_MNT/mysnap2/foobar " $sum_src_snap2 >> $seqres.full
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[[ $sum_src_snap1 == $sum_dest_snap1 ]] && echo "src and dest 'mysnap1' checksum matched"
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[[ $sum_src_snap2 == $sum_dest_snap2 ]] && echo "src and dest 'mysnap2' checksum matched"
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status=0
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exit
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