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btrfs/149: make it sectorsize independent
Originally this test case was designed to work with 4K sectorsize. Now enhance it to work with any sector sizes and makes the following changes: .out file not to contain any traces of sector size. Use max_inline=0 mount option so that it meets the requisite of non inline regular extent. Don't log the md5sum results to the output file as the data size vary by the sectorsize. Signed-off-by: Anand Jain <anand.jain@oracle.com> Reviewed-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Anand Jain
Eryu Guan
@@ -367,3 +367,10 @@ _run_btrfs_balance_start()
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run_check $BTRFS_UTIL_PROG balance start $bal_opt $*
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}
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#return the sector size of the btrfs scratch fs
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_scratch_btrfs_sectorsize()
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{
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$BTRFS_UTIL_PROG inspect-internal dump-super $SCRATCH_DEV |\
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grep sectorsize | awk '{print $2}'
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}
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@@ -271,6 +271,11 @@ _filter_xfs_io_pages_modified()
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_filter_xfs_io_units_modified "Page" $PAGE_SIZE
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}
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_filter_xfs_io_numbers()
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{
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_filter_xfs_io | sed -E 's/[0-9]+/XXXX/g'
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}
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_filter_test_dir()
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{
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# TEST_DEV may be a prefix of TEST_DIR (e.g. /mnt, /mnt/ovl-mnt)
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+30
-16
@@ -6,7 +6,7 @@
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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 a 4K extent at a file offset 0 that is not compressed and that is
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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 $0`
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@@ -36,6 +36,7 @@ _require_test
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_require_scratch
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_require_scratch_reflink
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_require_odirect
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_require_btrfs_command inspect-internal dump-super
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send_files_dir=$TEST_DIR/btrfs-test-$seq
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@@ -44,21 +45,27 @@ 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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_scratch_mount "-o compress"
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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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$XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 4K" $SCRATCH_MNT/foobar | _filter_xfs_io
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sectorsize=$(_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 "reflink $SCRATCH_MNT/foobar 0 8K 4K" $SCRATCH_MNT/foobar \
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| _filter_xfs_io
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$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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@@ -67,17 +74,19 @@ $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 8K. This operation
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# would fail on the receiver if it has compression enabled, since the write
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# operation of the extent at offset 0 was compressed because it was a buffered
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# write operation, and btrfs' clone implementation does not allow cloning inline
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# extents to offsets different from 0.
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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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echo "File digests in the original filesystem:"
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md5sum $SCRATCH_MNT/mysnap1/foobar | _filter_scratch
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md5sum $SCRATCH_MNT/mysnap2/foobar | _filter_scratch
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sum_src_snap1=$(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 >> $seqres.full
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# Now recreate the filesystem by receiving both send streams and verify we get
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# the same file content that the original filesystem had.
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@@ -88,9 +97,14 @@ _scratch_mount "-o compress"
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$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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echo "File digests in the new filesystem:"
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md5sum $SCRATCH_MNT/mysnap1/foobar | _filter_scratch
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md5sum $SCRATCH_MNT/mysnap2/foobar | _filter_scratch
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sum_dest_snap1=$(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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+4
-7
@@ -1,14 +1,11 @@
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QA output created by 149
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wrote 4096/4096 bytes at offset 0
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wrote XXXX/XXXX bytes at offset XXXX
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XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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linked 4096/4096 bytes at offset 8192
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linked XXXX/XXXX bytes at offset XXXX
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XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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At subvol SCRATCH_MNT/mysnap1
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At subvol SCRATCH_MNT/mysnap2
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File digests in the original filesystem:
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1696b8fe138e867797eb6683cf13d99c SCRATCH_MNT/mysnap1/foobar
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28feb14349a6f6c67a11967278ed7359 SCRATCH_MNT/mysnap2/foobar
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At subvol mysnap1
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File digests in the new filesystem:
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1696b8fe138e867797eb6683cf13d99c SCRATCH_MNT/mysnap1/foobar
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28feb14349a6f6c67a11967278ed7359 SCRATCH_MNT/mysnap2/foobar
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src and dest 'mysnap1' checksum matched
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src and dest 'mysnap2' checksum matched
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