mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
7e98d41a6e
Refactor every test in the entire test suite to use the new boilerplate functions. This also migrates all the test group information into the test files. This patch has been autogenerated via the command: ./tools/convert-group btrfs ceph cifs ext4 f2fs generic nfs ocfs2 overlay perf shared udf xfs Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Allison Henderson <allison.henderson@oracle.com> Reviewed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
111 lines
3.1 KiB
Bash
Executable File
111 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) 2016, Oracle and/or its affiliates. All Rights Reserved.
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#
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# FS QA Test No. 231
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#
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# Test recovery of unused CoW reservations:
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# - Create two reflinked files. Set extsz hint on second file.
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# - Dirty a single byte on a number of CoW reservations in the second file.
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# - Fsync to flush out the dirty pages.
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# - Wait for the reclaim to run.
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# - Write more and see how bad fragmentation is.
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#
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. ./common/preamble
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_begin_fstest auto quick clone
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# Override the default cleanup function.
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_cleanup()
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{
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cd /
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test -n "$old_cowgc_interval" && \
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_xfs_set_cowgc_interval $old_cowgc_interval
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rm -rf $tmp.*
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}
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# Import common functions.
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. ./common/filter
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. ./common/reflink
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# real QA test starts here
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_supported_fs xfs
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_require_scratch_reflink
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_require_cp_reflink
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_require_xfs_io_command "cowextsize"
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_require_xfs_io_command "falloc"
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_require_xfs_io_command "fiemap"
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old_cowgc_interval=$(_xfs_get_cowgc_interval)
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echo "Format and mount"
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_scratch_mkfs > $seqres.full 2>&1
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_scratch_mount >> $seqres.full 2>&1
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testdir=$SCRATCH_MNT/test-$seq
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mkdir $testdir
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blksz=65536
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nr=64
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filesize=$((blksz * nr))
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bufnr=2
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bufsize=$((blksz * bufnr))
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_require_fs_space $SCRATCH_MNT $((filesize / 1024 * 3 * 5 / 4))
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real_blksz=$(_get_block_size $testdir)
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internal_blks=$((filesize / real_blksz))
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echo "Create the original files"
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$XFS_IO_PROG -c "cowextsize $bufsize" $testdir
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$XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file1 >> $seqres.full
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$XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file2.chk >> $seqres.full
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_cp_reflink $testdir/file1 $testdir/file2 >> $seqres.full
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_scratch_cycle_mount
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echo "Compare files"
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md5sum $testdir/file1 | _filter_scratch
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md5sum $testdir/file2 | _filter_scratch
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md5sum $testdir/file2.chk | _filter_scratch
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echo "CoW and leave leftovers"
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_xfs_set_cowgc_interval 2
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seq 2 2 $((nr - 1)) | while read f; do
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$XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f - 1)) 1" $testdir/file2 >> $seqres.full
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$XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f - 1)) 1" $testdir/file2.chk >> $seqres.full
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done
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sync
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echo "Wait for CoW expiration"
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sleep 3
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echo "Allocate free space"
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for i in $(seq 1 32); do
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$XFS_IO_PROG -f -c "falloc 0 1" $testdir/junk.$i >> $seqres.full
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done
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$XFS_IO_PROG -f -c "falloc 0 $filesize" $testdir/junk >> $seqres.full
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echo "CoW and leave leftovers"
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_xfs_set_cowgc_interval $old_cowgc_interval
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seq 2 2 $((nr - 1)) | while read f; do
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$XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f)) 1" $testdir/file2 >> $seqres.full
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$XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f)) 1" $testdir/file2.chk >> $seqres.full
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done
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sync
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echo "Compare files"
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md5sum $testdir/file1 | _filter_scratch
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md5sum $testdir/file2 | _filter_scratch
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md5sum $testdir/file2.chk | _filter_scratch
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echo "Check extent counts"
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old_extents=$(_count_extents $testdir/file1)
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new_extents=$(_count_extents $testdir/file2)
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echo "old extents: $old_extents" >> $seqres.full
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echo "new extents: $new_extents" >> $seqres.full
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echo "maximum extents: $internal_blks" >> $seqres.full
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test $new_extents -le $((3 * nr / bufnr)) || echo "file2 more fragmented than expected"
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# success, all done
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status=0
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exit
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