mirror of
https://github.com/linux-apfs/apfstests.git
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xfs: seek data and holes that are in the CoW fork only
Create a file with a hole in the data fork and CoW reservations in the same region in the CoW fork. Ensure that SEEK_HOLE/DATA find the data. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
Darrick J. Wong
committed by
Eryu Guan
Eryu Guan
parent
1bd599745e
commit
ca9c677346
Executable
+160
@@ -0,0 +1,160 @@
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#! /bin/bash
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# FS QA Test No. 420
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#
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# Test SEEK_HOLE/SEEK_DATA into a region that is marked CoW'd for
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# speculative preallocation in the CoW fork and isn't backed by
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# data fork extents.
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#
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# - Set a huge cowextsize hint.
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# - Create a file "DD " (two data blocks, six hole blocks)
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# - Reflink copy this file to a second file.
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# - Write to the first block of the second file to create a single
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# large CoW reservation covering the whole file.
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# - Write to block 3, which should be a hole in the data fork.
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# - Display the SEEK_HOLE/SEEK_DATA info for the second file to confirm
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# that we see the data in blocks 0-1, the hole at block 2, the data
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# at block 3, and the hole for the rest of the file.
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#
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# Basically we want to create a file with the following data/CoW forks:
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#
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# data: DD------
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# cow: dddddddd
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# ^--^---------- these blocks are dirty
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#
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# And then check that SEEK_HOLE and SEEK_DATA actually find that second
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# dirty block even though we've never had a data fork extent mapping the
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# second dirty block. We need the huge cowextsize so that the hole
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# area receives preallocation in the CoW fork.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2017, Oracle and/or its affiliates. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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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here=`pwd`
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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 -rf $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_os Linux
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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 "fpunch"
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rm -f $seqres.full
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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=8
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filesize=$((blksz * nr))
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echo "Create the original files"
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$XFS_IO_PROG -c "cowextsize" $testdir >> $seqres.full
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$XFS_IO_PROG -c "cowextsize $filesize" $testdir >> $seqres.full
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$XFS_IO_PROG -c "cowextsize" $testdir >> $seqres.full
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$XFS_IO_PROG -f -c "pwrite -S 0x61 0 $((blksz * 2))" -c "truncate $filesize" -c "fpunch $((blksz * 2)) $((blksz * (nr - 2) ))" $testdir/file1 >> $seqres.full
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_cp_reflink $testdir/file1 $testdir/file2 >> $seqres.full
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$XFS_IO_PROG -f -c "pwrite -S 0 0 $filesize" -c "pwrite -S 0x61 0 $((blksz * 2))" $testdir/file3 >> $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/file3 | _filter_scratch
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echo "CoW the shared part then write into the empty part" | tee -a $seqres.full
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$XFS_IO_PROG -c "cowextsize" $testdir/file1 >> $seqres.full
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$XFS_IO_PROG -c "cowextsize" $testdir/file2 >> $seqres.full
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$XFS_IO_PROG -c "pwrite -S 0x63 0 $blksz" $testdir/file2 >> $seqres.full
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$XFS_IO_PROG -c "pwrite -S 0x63 $((blksz * 3)) $blksz" $testdir/file2 >> $seqres.full
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$XFS_IO_PROG -c "pwrite -S 0x63 0 $blksz" $testdir/file3 >> $seqres.full
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$XFS_IO_PROG -c "pwrite -S 0x63 $((blksz * 3)) $blksz" $testdir/file3 >> $seqres.full
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file1 >> $seqres.full 2>&1
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file2 >> $seqres.full 2>&1
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file3 >> $seqres.full 2>&1
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echo "Seek holes and data in file1"
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$XFS_IO_PROG -c "seek -a -r 0" $testdir/file1
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echo "Seek holes and data in file2"
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$XFS_IO_PROG -c "seek -a -r 0" $testdir/file2
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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/file3 | _filter_scratch
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echo "sync filesystem" | tee -a $seqres.full
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sync
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file1 >> $seqres.full 2>&1
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file2 >> $seqres.full 2>&1
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file3 >> $seqres.full 2>&1
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echo "Seek holes and data in file1"
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$XFS_IO_PROG -c "seek -a -r 0" $testdir/file1
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echo "Seek holes and data in file2"
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$XFS_IO_PROG -c "seek -a -r 0" $testdir/file2
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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/file3 | _filter_scratch
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echo "Remount" | tee -a $seqres.full
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_scratch_cycle_mount
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file1 >> $seqres.full 2>&1
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file2 >> $seqres.full 2>&1
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file3 >> $seqres.full 2>&1
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echo "Seek holes and data in file1"
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$XFS_IO_PROG -c "seek -a -r 0" $testdir/file1
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echo "Seek holes and data in file2"
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$XFS_IO_PROG -c "seek -a -r 0" $testdir/file2
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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/file3 | _filter_scratch
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# success, all done
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status=0
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exit
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@@ -0,0 +1,52 @@
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QA output created by 420
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Format and mount
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Create the original files
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Compare files
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c2803804acc9936eef8aab42c119bfac SCRATCH_MNT/test-420/file1
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c2803804acc9936eef8aab42c119bfac SCRATCH_MNT/test-420/file2
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c2803804acc9936eef8aab42c119bfac SCRATCH_MNT/test-420/file3
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CoW the shared part then write into the empty part
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Seek holes and data in file1
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Whence Result
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DATA 0
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HOLE 131072
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Seek holes and data in file2
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Whence Result
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DATA 0
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HOLE 131072
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DATA 196608
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HOLE 262144
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Compare files
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c2803804acc9936eef8aab42c119bfac SCRATCH_MNT/test-420/file1
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017c08a9320aad844ce86aa9631afb98 SCRATCH_MNT/test-420/file2
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017c08a9320aad844ce86aa9631afb98 SCRATCH_MNT/test-420/file3
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sync filesystem
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Seek holes and data in file1
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Whence Result
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DATA 0
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HOLE 131072
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Seek holes and data in file2
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Whence Result
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DATA 0
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HOLE 131072
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DATA 196608
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HOLE 262144
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Compare files
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c2803804acc9936eef8aab42c119bfac SCRATCH_MNT/test-420/file1
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017c08a9320aad844ce86aa9631afb98 SCRATCH_MNT/test-420/file2
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017c08a9320aad844ce86aa9631afb98 SCRATCH_MNT/test-420/file3
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Remount
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Seek holes and data in file1
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Whence Result
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DATA 0
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HOLE 131072
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Seek holes and data in file2
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Whence Result
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DATA 0
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HOLE 131072
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DATA 196608
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HOLE 262144
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Compare files
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c2803804acc9936eef8aab42c119bfac SCRATCH_MNT/test-420/file1
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017c08a9320aad844ce86aa9631afb98 SCRATCH_MNT/test-420/file2
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017c08a9320aad844ce86aa9631afb98 SCRATCH_MNT/test-420/file3
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Executable
+160
@@ -0,0 +1,160 @@
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#! /bin/bash
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# FS QA Test No. 421
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#
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# Test SEEK_HOLE/SEEK_DATA into a region that is marked CoW'd for
|
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# speculative preallocation in the CoW fork and isn't backed by
|
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# data fork extents.
|
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#
|
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# - Set a huge cowextsize hint.
|
||||
# - Create a file "DD " (two data blocks, six hole blocks)
|
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# - Reflink copy this file to a second file.
|
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# - dio write to the first block of the second file to create a single
|
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# large CoW reservation covering the whole file.
|
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# - dio write to block 3, which should be a hole in the data fork.
|
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# - Display the SEEK_HOLE/SEEK_DATA info for the second file to confirm
|
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# that we see the data in blocks 0-1, the hole at block 2, the data
|
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# at block 3, and the hole for the rest of the file.
|
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#
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# Basically we want to create a file with the following data/CoW forks:
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#
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# data: DD------
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# cow: dddddddd
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# ^--^---------- these blocks are dirty
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#
|
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# And then check that SEEK_HOLE and SEEK_DATA actually find that second
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# dirty block even though we've never had a data fork extent mapping the
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# second dirty block. We need the huge cowextsize so that the hole
|
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# area receives preallocation in the CoW fork.
|
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2017, Oracle and/or its affiliates. All Rights Reserved.
|
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#
|
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# This program is free software; you can redistribute it and/or
|
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# modify it under the terms of the GNU General Public License as
|
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# published by the Free Software Foundation.
|
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#
|
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# This program is distributed in the hope that it would be useful,
|
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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# GNU General Public License for more details.
|
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#
|
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# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write the Free Software Foundation,
|
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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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here=`pwd`
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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 -rf $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_os Linux
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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 "fpunch"
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rm -f $seqres.full
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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 $testdir
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blksz=65536
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nr=8
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filesize=$((blksz * nr))
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echo "Create the original files"
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$XFS_IO_PROG -c "cowextsize" $testdir >> $seqres.full
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$XFS_IO_PROG -c "cowextsize $filesize" $testdir >> $seqres.full
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$XFS_IO_PROG -c "cowextsize" $testdir >> $seqres.full
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$XFS_IO_PROG -f -c "pwrite -S 0x61 0 $((blksz * 2))" -c "truncate $filesize" -c "fpunch $((blksz * 2)) $((blksz * (nr - 2) ))" $testdir/file1 >> $seqres.full
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_cp_reflink $testdir/file1 $testdir/file2 >> $seqres.full
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$XFS_IO_PROG -f -c "pwrite -S 0 0 $filesize" -c "pwrite -S 0x61 0 $((blksz * 2))" $testdir/file3 >> $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/file3 | _filter_scratch
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echo "CoW the shared part then write into the empty part" | tee -a $seqres.full
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$XFS_IO_PROG -c "cowextsize" $testdir/file1 >> $seqres.full
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$XFS_IO_PROG -c "cowextsize" $testdir/file2 >> $seqres.full
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$XFS_IO_PROG -d -c "pwrite -S 0x63 0 $blksz" $testdir/file2 >> $seqres.full
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$XFS_IO_PROG -d -c "pwrite -S 0x63 $((blksz * 3)) $blksz" $testdir/file2 >> $seqres.full
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$XFS_IO_PROG -d -c "pwrite -S 0x63 0 $blksz" $testdir/file3 >> $seqres.full
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$XFS_IO_PROG -d -c "pwrite -S 0x63 $((blksz * 3)) $blksz" $testdir/file3 >> $seqres.full
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file1 >> $seqres.full 2>&1
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file2 >> $seqres.full 2>&1
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file3 >> $seqres.full 2>&1
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echo "Seek holes and data in file1"
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$XFS_IO_PROG -c "seek -a -r 0" $testdir/file1
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echo "Seek holes and data in file2"
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$XFS_IO_PROG -c "seek -a -r 0" $testdir/file2
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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/file3 | _filter_scratch
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echo "sync filesystem" | tee -a $seqres.full
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sync
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file1 >> $seqres.full 2>&1
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file2 >> $seqres.full 2>&1
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file3 >> $seqres.full 2>&1
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echo "Seek holes and data in file1"
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$XFS_IO_PROG -c "seek -a -r 0" $testdir/file1
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echo "Seek holes and data in file2"
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$XFS_IO_PROG -c "seek -a -r 0" $testdir/file2
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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/file3 | _filter_scratch
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echo "Remount" | tee -a $seqres.full
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_scratch_cycle_mount
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file1 >> $seqres.full 2>&1
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file2 >> $seqres.full 2>&1
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$XFS_IO_PROG -c "bmap -ev" -c "bmap -cv" $testdir/file3 >> $seqres.full 2>&1
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echo "Seek holes and data in file1"
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$XFS_IO_PROG -c "seek -a -r 0" $testdir/file1
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echo "Seek holes and data in file2"
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$XFS_IO_PROG -c "seek -a -r 0" $testdir/file2
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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/file3 | _filter_scratch
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# success, all done
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status=0
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exit
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@@ -0,0 +1,52 @@
|
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QA output created by 421
|
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Format and mount
|
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Create the original files
|
||||
Compare files
|
||||
c2803804acc9936eef8aab42c119bfac SCRATCH_MNT/test-421/file1
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c2803804acc9936eef8aab42c119bfac SCRATCH_MNT/test-421/file2
|
||||
c2803804acc9936eef8aab42c119bfac SCRATCH_MNT/test-421/file3
|
||||
CoW the shared part then write into the empty part
|
||||
Seek holes and data in file1
|
||||
Whence Result
|
||||
DATA 0
|
||||
HOLE 131072
|
||||
Seek holes and data in file2
|
||||
Whence Result
|
||||
DATA 0
|
||||
HOLE 131072
|
||||
DATA 196608
|
||||
HOLE 262144
|
||||
Compare files
|
||||
c2803804acc9936eef8aab42c119bfac SCRATCH_MNT/test-421/file1
|
||||
017c08a9320aad844ce86aa9631afb98 SCRATCH_MNT/test-421/file2
|
||||
017c08a9320aad844ce86aa9631afb98 SCRATCH_MNT/test-421/file3
|
||||
sync filesystem
|
||||
Seek holes and data in file1
|
||||
Whence Result
|
||||
DATA 0
|
||||
HOLE 131072
|
||||
Seek holes and data in file2
|
||||
Whence Result
|
||||
DATA 0
|
||||
HOLE 131072
|
||||
DATA 196608
|
||||
HOLE 262144
|
||||
Compare files
|
||||
c2803804acc9936eef8aab42c119bfac SCRATCH_MNT/test-421/file1
|
||||
017c08a9320aad844ce86aa9631afb98 SCRATCH_MNT/test-421/file2
|
||||
017c08a9320aad844ce86aa9631afb98 SCRATCH_MNT/test-421/file3
|
||||
Remount
|
||||
Seek holes and data in file1
|
||||
Whence Result
|
||||
DATA 0
|
||||
HOLE 131072
|
||||
Seek holes and data in file2
|
||||
Whence Result
|
||||
DATA 0
|
||||
HOLE 131072
|
||||
DATA 196608
|
||||
HOLE 262144
|
||||
Compare files
|
||||
c2803804acc9936eef8aab42c119bfac SCRATCH_MNT/test-421/file1
|
||||
017c08a9320aad844ce86aa9631afb98 SCRATCH_MNT/test-421/file2
|
||||
017c08a9320aad844ce86aa9631afb98 SCRATCH_MNT/test-421/file3
|
||||
@@ -417,3 +417,5 @@
|
||||
417 dangerous_fuzzers dangerous_scrub dangerous_online_repair
|
||||
418 dangerous_fuzzers dangerous_scrub dangerous_repair
|
||||
419 auto quick
|
||||
420 auto quick clone dedupe
|
||||
421 auto quick clone dedupe
|
||||
|
||||
Reference in New Issue
Block a user