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xfs: test rmapbt updates are correct with insert/collapse range
Make sure that we update the rmapbt correctly when we collapse-range a file and the extents on both sides of the hole can be merged. We can construct this pretty trivially with insert-range and write, so test that too. 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
5cec561327
commit
1c7f4dbf37
Executable
+128
@@ -0,0 +1,128 @@
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#! /bin/bash
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# FS QA Test No. 114
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#
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# Make sure that we can handle insert-range followed by collapse-range.
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# In particular, make sure that fcollapse works for rmap when the
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# extents on either side of the collapse area are mergeable.
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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 "$tmp".*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/reflink
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# real QA test starts here
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_supported_os Linux
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_supported_fs xfs
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_require_test_program "punch-alternating"
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_require_xfs_scratch_rmapbt
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_require_xfs_io_command "fcollapse"
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_require_xfs_io_command "finsert"
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rm -f "$seqres.full"
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echo "Format and mount"
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_scratch_mkfs > "$seqres.full" 2>&1
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_scratch_mount
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blksz=65536
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blocks1=150 # enough extents to force btree format
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blocks2=16 # local format
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len1=$((blocks1 * blksz))
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len2=$((blocks2 * blksz))
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file_blksz=$(_get_file_block_size $SCRATCH_MNT)
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echo "Create some files"
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$XFS_IO_PROG -f \
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-c "falloc 0 $len1" \
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-c "pwrite -S 0x68 -b 1048576 0 $len1" \
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$SCRATCH_MNT/f1 >> $seqres.full
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$XFS_IO_PROG -f \
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-c "falloc 0 $len2" \
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-c "pwrite -S 0x68 -b 1048576 0 $len2" \
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$SCRATCH_MNT/f2 >> $seqres.full
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./src/punch-alternating -o $((16 * blksz / file_blksz)) \
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-s $((blksz / file_blksz)) \
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-i $((blksz * 2 / file_blksz)) \
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$SCRATCH_MNT/f1 >> "$seqres.full"
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echo "Insert and write file range"
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$XFS_IO_PROG \
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-c "finsert $((8 * blksz)) $blksz" \
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-c "pwrite -S 0x69 $((8 * blksz)) $blksz" \
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-c "fsync" \
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$SCRATCH_MNT/f1 >> $seqres.full
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$XFS_IO_PROG \
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-c "finsert $((8 * blksz)) $blksz" \
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-c "pwrite -S 0x69 $((8 * blksz)) $blksz" \
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-c "fsync" \
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$SCRATCH_MNT/f2 >> $seqres.full
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# Make reflink copies to force it to use the fancy rmap operations.
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# The test's functionality doesn't depend on the fs supporting reflink.
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_cp_reflink $SCRATCH_MNT/f1 $SCRATCH_MNT/e1 >> $seqres.full 2>&1
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_cp_reflink $SCRATCH_MNT/f2 $SCRATCH_MNT/e2 >> $seqres.full 2>&1
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echo "f1 bmap" >> $seqres.full
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$XFS_IO_PROG -c 'bmap -elpv' $SCRATCH_MNT/f1 >> $seqres.full
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echo "f2 bmap" >> $seqres.full
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$XFS_IO_PROG -c 'bmap -elpv' $SCRATCH_MNT/f2 >> $seqres.full
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echo "fsmap" >> $seqres.full
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$XFS_IO_PROG -c 'fsmap -v' $SCRATCH_MNT >> $seqres.full
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echo "Remount"
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_scratch_unmount
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_scratch_xfs_check
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_scratch_mount
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echo "Collapse file"
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$XFS_IO_PROG -c "fcollapse $((8 * blksz)) $blksz" $SCRATCH_MNT/f1 >> $seqres.full
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$XFS_IO_PROG -c "fcollapse $((8 * blksz)) $blksz" $SCRATCH_MNT/f2 >> $seqres.full
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echo "f1 bmap" >> $seqres.full
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$XFS_IO_PROG -c 'bmap -elpv' $SCRATCH_MNT/f1 >> $seqres.full
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echo "f2 bmap" >> $seqres.full
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$XFS_IO_PROG -c 'bmap -elpv' $SCRATCH_MNT/f2 >> $seqres.full
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echo "fsmap" >> $seqres.full
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$XFS_IO_PROG -c 'fsmap -v' $SCRATCH_MNT >> $seqres.full
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echo "Check file"
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md5sum $SCRATCH_MNT/f1 | _filter_scratch
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md5sum $SCRATCH_MNT/f2 | _filter_scratch
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od -tx1 -Ad -c $SCRATCH_MNT/f1 >> $seqres.full
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od -tx1 -Ad -c $SCRATCH_MNT/f2 >> $seqres.full
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# success, all done
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status=0
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exit
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@@ -0,0 +1,9 @@
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QA output created by 114
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Format and mount
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Create some files
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Insert and write file range
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Remount
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Collapse file
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Check file
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f45e899d0ed7c055f7baa4e2039eb152 SCRATCH_MNT/f1
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e57a7dd63e41d5ba02a754dd72386c3d SCRATCH_MNT/f2
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@@ -111,6 +111,7 @@
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111 ioctl
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112 fuzzers
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113 fuzzers
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114 auto quick clone rmap
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116 quota auto quick
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117 fuzzers
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118 auto quick fsr dangerous
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