mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Dave Chinner
2529c9486a
Fully scripted conversion, see script in initial SPDX license commit message. tests/xfs/044 was hand massaged to remove duplicate copyright and divider lines before running the script. Signed-off-by: Dave Chinner <dchinner@redhat.com>
136 lines
3.9 KiB
Bash
Executable File
136 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) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
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#
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# FS QA Test No. 042
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#
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# xfs_fsr QA tests
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# create a large fragmented file and check that xfs_fsr doesn't corrupt
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# it or the other contents of the filesystem
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#
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set +x
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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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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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_cleanup()
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{
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_scratch_unmount
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rm -f $tmp.*
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}
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trap "_cleanup ; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_fs xfs
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_supported_os Linux
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_require_scratch
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[ "$XFS_FSR_PROG" = "" ] && _notrun "xfs_fsr not found"
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# Test performs several operations to produce a badly fragmented file, then
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# create enough contiguous free space for xfs_fsr to defragment the fragmented
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# file:
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#
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# - create fs with 3 minimum sized (16Mb) allocation groups
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# - create 16x1MB contiguous files which will become large free space extents
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# when deleted
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# - put a small "space" between each of the 16 contiuguous files to ensure we
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# have separated free space extents
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# - fill the remaining free space with a "fill file"
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# - mount/unmount/fill remaining free space with a pad file
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# - punch alternate single block holes in the the "fill file" to create
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# fragmented free space.
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# - use fill2 to generate a very large fragmented file
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# - delete the 16 large contiguous files created initially
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# - run xfs_fsr on the filesystem
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# - check checksums for remaining files
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rm -f $seqres.full
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_do_die_on_error=message_only
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echo -n "Make a 48 megabyte filesystem on SCRATCH_DEV and mount... "
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_scratch_mkfs_xfs -dsize=48m,agcount=3 2>&1 >/dev/null || _fail "mkfs failed"
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_scratch_mount
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echo "done"
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echo -n "Reserve 16 1Mb unfragmented regions... "
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for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
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do
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_do "$XFS_IO_PROG -f -c \"resvsp 0 1m\" $SCRATCH_MNT/hole$i"
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_do "$XFS_IO_PROG -f -c \"resvsp 0 4k\" $SCRATCH_MNT/space$i"
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_do "xfs_bmap -vp $SCRATCH_MNT/hole$i"
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done
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echo "done"
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# set up filesystem
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echo -n "Fill filesystem with fill file... "
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for i in `seq 0 1 31`; do
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_do "$XFS_IO_PROG -f -c \"falloc ${i}m 1m\" $SCRATCH_MNT/fill"
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done
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_do "xfs_bmap -vp $SCRATCH_MNT/fill"
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echo "done"
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# flush the filesystem - make sure there is no space "lost" to pre-allocation
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_do "_scratch_unmount"
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_do "_try_scratch_mount"
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echo -n "Use up any further available space... "
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_do "$XFS_IO_PROG -f -c \"falloc 0 1m\" $SCRATCH_MNT/pad"
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echo "done"
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# create fragmented file
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#_do "Delete every second file" "_cull_files"
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echo -n "Punch every second 4k block... "
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for i in `seq 0 8 32768`; do
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# This generates excessive output that significantly slows down the
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# test. It's not necessary for debug, so just bin it.
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$XFS_IO_PROG -f -c "unresvsp ${i}k 4k" $SCRATCH_MNT/fill \
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> /dev/null 2>&1
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done
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_do "xfs_bmap -vp $SCRATCH_MNT/fill"
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_do "sum $SCRATCH_MNT/fill >$tmp.fillsum1"
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echo "done"
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echo -n "Create one very large file... "
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_do "src/fill2 -d nbytes=16000000,file=$SCRATCH_MNT/fragmented"
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echo "done"
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_do "xfs_bmap -v $SCRATCH_MNT/fragmented"
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_do "sum $SCRATCH_MNT/fragmented >$tmp.sum1"
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_do "Remove other files" "rm -rf $SCRATCH_MNT/{pad,hole*}"
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# defragment
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_do "Run xfs_fsr on filesystem" "$XFS_FSR_PROG -v $SCRATCH_MNT/fragmented"
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_do "xfs_bmap -v $SCRATCH_MNT/fragmented"
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echo -n "Check fill file... "
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_do "sum $SCRATCH_MNT/fill >$tmp.fillsum2"
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if ! _do "diff $tmp.fillsum1 $tmp.fillsum2"; then
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echo "fail"
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echo "Fill file is corrupt/missing after fsr. Test failed see $seqres.full"
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status=1; exit
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fi
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echo "done"
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# check
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echo -n "Check large file... "
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_do "sum $SCRATCH_MNT/fragmented >$tmp.sum2"
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if ! _do "diff $tmp.sum1 $tmp.sum2"; then
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echo "fail"
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echo "File is corrupt/missing after fsr. Test failed see $seqres.full"
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status=1; exit
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fi
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echo "done"
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# success, all done
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echo "xfs_fsr tests passed."
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status=0 ; exit
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