Re: [PATCH V2 3/5] Fix btrfs/055 to work on non-4k block sized filesystems

Filipe Manana
2015-12-10T17:25:28Z

On Mon, Nov 30, 2015 at 10:16 AM, Chandan Rajendra
<chandan@linux.vnet.ibm.com> wrote:
> This commit makes use of the new _filter_xfs_io_blocks_modified and _filter_od
> filtering functions to print information in terms of file blocks rather than
> file offset.
>
> Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>

Thanks!

> ---
> tests/btrfs/055 | 128 ++++++++++--------
> tests/btrfs/055.out | 378 +++++++++++++++++++++++++---------------------------
> 2 files changed, 259 insertions(+), 247 deletions(-)
>
> diff --git a/tests/btrfs/055 b/tests/btrfs/055
> index c0dd9ed..1f50850 100755
> --- a/tests/btrfs/055
> +++ b/tests/btrfs/055
> @@ -60,88 +60,110 @@ test_btrfs_clone_with_holes()
> _scratch_mkfs "$1" >/dev/null 2>&1
> _scratch_mount
>
> - # Create a file with 4 extents and 1 hole, all with a size of 8Kb each.
> - # The hole is in the range [16384, 24576[.
> - $XFS_IO_PROG -s -f -c "pwrite -S 0x01 -b 8192 0 8192" \
> - -c "pwrite -S 0x02 -b 8192 8192 8192" \
> - -c "pwrite -S 0x04 -b 8192 24576 8192" \
> - -c "pwrite -S 0x05 -b 8192 32768 8192" \
> - $SCRATCH_MNT/foo | _filter_xfs_io
> + BLOCK_SIZE=$(get_block_size $SCRATCH_MNT)
>
> - # Clone destination file, 1 extent of 96kb.
> - $XFS_IO_PROG -s -f -c "pwrite -S 0xff -b 98304 0 98304" \
> - $SCRATCH_MNT/bar | _filter_xfs_io
> + EXTENT_SIZE=$((2 * $BLOCK_SIZE))
>
> - # Clone 2nd extent, 8Kb hole and 3rd extent of foo into bar.
> - $CLONER_PROG -s 8192 -d 0 -l 24576 $SCRATCH_MNT/foo $SCRATCH_MNT/bar
> + OFFSET=0
> +
> + # Create a file with 4 extents and 1 hole, all with 2 blocks each.
> + # The hole is in the block range [4, 5[.
> + $XFS_IO_PROG -s -f -c "pwrite -S 0x01 -b $EXTENT_SIZE $OFFSET $EXTENT_SIZE" \
> + $SCRATCH_MNT/foo | _filter_xfs_io_blocks_modified
> +
> + OFFSET=$(($OFFSET + $EXTENT_SIZE))
> + $XFS_IO_PROG -s -f -c "pwrite -S 0x02 -b $EXTENT_SIZE $OFFSET $EXTENT_SIZE" \
> + $SCRATCH_MNT/foo | _filter_xfs_io_blocks_modified
> +
> + OFFSET=$(($OFFSET + 2 * $EXTENT_SIZE))
> + $XFS_IO_PROG -s -f -c "pwrite -S 0x04 -b $EXTENT_SIZE $OFFSET $EXTENT_SIZE" \
> + $SCRATCH_MNT/foo | _filter_xfs_io_blocks_modified
> +
> + OFFSET=$(($OFFSET + $EXTENT_SIZE))
> + $XFS_IO_PROG -s -f -c "pwrite -S 0x05 -b $EXTENT_SIZE $OFFSET $EXTENT_SIZE" \
> + $SCRATCH_MNT/foo | _filter_xfs_io_blocks_modified
> +
> + # Clone destination file, 1 extent of 24 blocks.
> + EXTENT_SIZE=$((24 * $BLOCK_SIZE))
> + $XFS_IO_PROG -s -f -c "pwrite -S 0xff -b $EXTENT_SIZE 0 $EXTENT_SIZE" \
> + $SCRATCH_MNT/bar | _filter_xfs_io_blocks_modified
> +
> + # Clone 2nd extent, 2-blocks sized hole and 3rd extent of foo into bar.
> + $CLONER_PROG -s $((2 * $BLOCK_SIZE)) -d 0 -l $((6 * $BLOCK_SIZE)) \
> + $SCRATCH_MNT/foo $SCRATCH_MNT/bar
>
> # Verify both extents and the hole were cloned.
> echo "1) Check both extents and the hole were cloned"
> - od -t x1 $SCRATCH_MNT/bar
> + od -t x1 $SCRATCH_MNT/bar | _filter_od
>
> - # Cloning range starts at the middle of an hole.
> - $CLONER_PROG -s 20480 -d 32768 -l 12288 $SCRATCH_MNT/foo \
> - $SCRATCH_MNT/bar
> + # Cloning range starts at the middle of a hole.
> + $CLONER_PROG -s $((5 * $BLOCK_SIZE)) -d $((8 * $BLOCK_SIZE)) \
> + -l $((3 * $BLOCK_SIZE)) $SCRATCH_MNT/foo $SCRATCH_MNT/bar
>
> - # Verify that half of the hole and the following 8Kb extent were cloned.
> - echo "2) Check half hole and one 8Kb extent were cloned"
> - od -t x1 $SCRATCH_MNT/bar
> + # Verify that half of the hole and the following 2 block extent were cloned.
> + echo "2) Check half hole and the following 2 block extent were cloned"
> + od -t x1 $SCRATCH_MNT/bar | _filter_od
>
> - # Cloning range ends at the middle of an hole.
> - $CLONER_PROG -s 0 -d 65536 -l 20480 $SCRATCH_MNT/foo $SCRATCH_MNT/bar
> + # Cloning range ends at the middle of a hole.
> + $CLONER_PROG -s 0 -d $((16 * $BLOCK_SIZE)) -l $((5 * $BLOCK_SIZE)) \
> + $SCRATCH_MNT/foo $SCRATCH_MNT/bar
>
> - # Verify that 2 extents of 8kb and a 4kb hole were cloned.
> - echo "3) Check that 2 extents of 8kb eacg and a 4kb hole were cloned"
> - od -t x1 $SCRATCH_MNT/bar
> + # Verify that 2 extents of 2 blocks size and a 1-block hole were cloned.
> + echo "3) Check that 2 extents of 2 blocks each and a hole of 1 block were cloned"
> + od -t x1 $SCRATCH_MNT/bar | _filter_od
>
> - # Create a 24Kb hole at the end of the source file (foo).
> - $XFS_IO_PROG -c "truncate 65536" $SCRATCH_MNT/foo
> + # Create a 6-block hole at the end of the source file (foo).
> + $XFS_IO_PROG -c "truncate $((16 * $BLOCK_SIZE))" $SCRATCH_MNT/foo \
> + | _filter_xfs_io_blocks_modified
> sync
>
> # Now clone a range that overlaps that hole at the end of the foo file.
> - # It should clone the last 4Kb of the extent at offset 32768 and the
> - # first 8kb of the 24kb hole at the end of foo.
> - $CLONER_PROG -s 36864 -d 86016 -l 12288 $SCRATCH_MNT/foo \
> - $SCRATCH_MNT/bar
> + # It should clone the 10th block and the first two blocks of the hole
> + # at the end of foo.
> + $CLONER_PROG -s $((9 * $BLOCK_SIZE)) -d $((21 * $BLOCK_SIZE)) \
> + -l $((3 * $BLOCK_SIZE)) $SCRATCH_MNT/foo $SCRATCH_MNT/bar
>
> - # Verify that the second half of the 8Kb extent at offset 32768 of foo
> - # and the first 8Kb of the 24kb hole of foo were cloned into bar.
> - echo "4) Check that 4kb of 1 extent and 8Kb of an hole were cloned"
> - od -t x1 $SCRATCH_MNT/bar
> + # Verify that the 9th block of foo and the first 2 blocks of the
> + # 6-block hole of foo were cloned into bar.
> + echo "4) Check that a block of 1 extent and 2 blocks of a hole were cloned"
> + od -t x1 $SCRATCH_MNT/bar | _filter_od
>
> # Clone the same range as before, but clone it into a different offset
> # of the target (bar) such that it increases the size of the target
> - # by 8Kb.
> - $CLONER_PROG -s 36864 -d 94208 -l 12288 $SCRATCH_MNT/foo \
> - $SCRATCH_MNT/bar
> + # by 2 blocks.
> + $CLONER_PROG -s $((9 * $BLOCK_SIZE)) -d $((23 * $BLOCK_SIZE)) \
> + -l $((3 * $BLOCK_SIZE)) $SCRATCH_MNT/foo $SCRATCH_MNT/bar
>
> - # Verify that the second half of the 8Kb extent at offset 32768 of foo
> - # and the first 8Kb of the 24kb hole of foo were cloned into bar at
> - # bar's offset 94208 and that bar's size increased by 8Kb.
> - echo "5) Check that 4kb of 1 extent and 8Kb of an hole were cloned and file size increased"
> - od -t x1 $SCRATCH_MNT/bar
> + # Verify that the 9th block of foo and the first 2 blocks of the 6-block
> + # hole of foo were cloned into bar at bar's 23rd block and that bar's
> + # size increased by 2 blocks.
> + echo "5) Check that a block of 1 extent and 2 blocks of a hole were" \
> + "cloned and file size increased"
> + od -t x1 $SCRATCH_MNT/bar | _filter_od
>
> # Create a new completely sparse file (no extents, it's a big hole).
> - $XFS_IO_PROG -f -c "truncate 100000" $SCRATCH_MNT/qwerty
> + $XFS_IO_PROG -f -c "truncate $((25 * $BLOCK_SIZE))" $SCRATCH_MNT/qwerty \
> + | _filter_xfs_io_blocks_modified
> sync
>
> # Test cloning a range from the sparse file to the bar file without
> # increasing bar's size.
> - $CLONER_PROG -s 4096 -d 0 -l 8192 $SCRATCH_MNT/qwerty $SCRATCH_MNT/bar
> + $CLONER_PROG -s $((1 * $BLOCK_SIZE)) -d 0 -l $((2 * $BLOCK_SIZE)) \
> + $SCRATCH_MNT/qwerty $SCRATCH_MNT/bar
>
> - # First 8Kb of bar should now be zeroes.
> - echo "6) Check that 8kb of the hole were cloned"
> - od -t x1 $SCRATCH_MNT/bar
> + # First 2 blocks of bar should now be zeroes.
> + echo "6) Check that 2 blocks of the hole were cloned"
> + od -t x1 $SCRATCH_MNT/bar | _filter_od
>
> # Test cloning a range from the sparse file to the end of the bar file.
> - # The bar file currently has a size of 106496 bytes.
> - $CLONER_PROG -s 0 -d 106496 -l 32768 $SCRATCH_MNT/qwerty \
> + # The bar file currently has 26 blocks.
> + $CLONER_PROG -s 0 -d $((26 * $BLOCK_SIZE)) -l $((8 * $BLOCK_SIZE)) $SCRATCH_MNT/qwerty \
> $SCRATCH_MNT/bar
>
> - # Verify bar's size increased to 106496 + 32768 bytes (136Kb), and its
> - # last 32768 bytes are all zeroes.
> - echo "7) Check that 32kb of the hole were cloned and the file size increased"
> - od -t x1 $SCRATCH_MNT/bar
> + # Verify bar's size increased to 26 + 8 blocks, and its
> + # last 8 blocks are all zeroes.
> + echo "7) Check that 8 blocks of the hole were cloned and the file size increased"
> + od -t x1 $SCRATCH_MNT/bar | _filter_od
>
> # Verify that there are no consistency errors.
> _check_scratch_fs
> diff --git a/tests/btrfs/055.out b/tests/btrfs/055.out
> index d8d4893..2d29d6f 100644
> --- a/tests/btrfs/055.out
> +++ b/tests/btrfs/055.out
> @@ -1,347 +1,337 @@
> QA output created by 055
> Testing without the NO_HOLES feature
> -wrote 8192/8192 bytes at offset 0
> -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
> -wrote 8192/8192 bytes at offset 8192
> -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
> -wrote 8192/8192 bytes at offset 24576
> -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
> -wrote 8192/8192 bytes at offset 32768
> -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
> -wrote 98304/98304 bytes at offset 0
> -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
> +Blocks modified: [0 - 1]
> +Blocks modified: [2 - 3]
> +Blocks modified: [6 - 7]
> +Blocks modified: [8 - 9]
> +Blocks modified: [0 - 23]
> 1) Check both extents and the hole were cloned
> -0000000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +0 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0020000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0040000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +4 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0060000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +6 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0300000
> -2) Check half hole and one 8Kb extent were cloned
> -0000000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +30
> +2) Check half hole and the following 2 block extent were cloned
> +0 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0020000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0040000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +4 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0060000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +6 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0100000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0110000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +11 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0130000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +13 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0300000
> -3) Check that 2 extents of 8kb eacg and a 4kb hole were cloned
> -0000000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +30
> +3) Check that 2 extents of 2 blocks each and a hole of 1 block were cloned
> +0 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0020000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0040000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +4 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0060000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +6 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0100000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0110000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +11 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0130000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +13 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0200000 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> +20 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> *
> -0220000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +22 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0240000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +24 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0250000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +25 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0300000
> -4) Check that 4kb of 1 extent and 8Kb of an hole were cloned
> -0000000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +30
> +4) Check that a block of 1 extent and 2 blocks of a hole were cloned
> +0 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0020000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0040000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +4 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0060000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +6 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0100000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0110000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +11 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0130000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +13 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0200000 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> +20 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> *
> -0220000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +22 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0240000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +24 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0250000 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> +25 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> *
> -0260000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +26 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0300000
> -5) Check that 4kb of 1 extent and 8Kb of an hole were cloned and file size increased
> -0000000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +30
> +5) Check that a block of 1 extent and 2 blocks of a hole were cloned and file size increased
> +0 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0020000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0040000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +4 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0060000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +6 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0100000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0110000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +11 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0130000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +13 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0200000 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> +20 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> *
> -0220000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +22 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0240000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +24 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0250000 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> +25 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> *
> -0260000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +26 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0270000 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> +27 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> *
> -0300000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0320000
> -6) Check that 8kb of the hole were cloned
> -0000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +32
> +6) Check that 2 blocks of the hole were cloned
> +0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0040000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +4 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0060000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +6 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0100000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0110000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +11 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0130000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +13 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0200000 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> +20 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> *
> -0220000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +22 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0240000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +24 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0250000 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> +25 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> *
> -0260000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +26 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0270000 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> +27 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> *
> -0300000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0320000
> -7) Check that 32kb of the hole were cloned and the file size increased
> -0000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +32
> +7) Check that 8 blocks of the hole were cloned and the file size increased
> +0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0040000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +4 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0060000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +6 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0100000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0110000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +11 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0130000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +13 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0200000 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> +20 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> *
> -0220000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +22 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0240000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +24 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0250000 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> +25 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> *
> -0260000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +26 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0270000 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> +27 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> *
> -0300000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0420000
> +42
> Testing with the NO_HOLES feature enabled
> -wrote 8192/8192 bytes at offset 0
> -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
> -wrote 8192/8192 bytes at offset 8192
> -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
> -wrote 8192/8192 bytes at offset 24576
> -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
> -wrote 8192/8192 bytes at offset 32768
> -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
> -wrote 98304/98304 bytes at offset 0
> -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
> +Blocks modified: [0 - 1]
> +Blocks modified: [2 - 3]
> +Blocks modified: [6 - 7]
> +Blocks modified: [8 - 9]
> +Blocks modified: [0 - 23]
> 1) Check both extents and the hole were cloned
> -0000000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +0 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0020000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0040000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +4 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0060000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +6 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0300000
> -2) Check half hole and one 8Kb extent were cloned
> -0000000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +30
> +2) Check half hole and the following 2 block extent were cloned
> +0 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0020000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0040000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +4 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0060000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +6 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0100000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0110000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +11 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0130000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +13 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0300000
> -3) Check that 2 extents of 8kb eacg and a 4kb hole were cloned
> -0000000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +30
> +3) Check that 2 extents of 2 blocks each and a hole of 1 block were cloned
> +0 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0020000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0040000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +4 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0060000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +6 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0100000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0110000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +11 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0130000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +13 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0200000 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> +20 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> *
> -0220000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +22 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0240000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +24 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0250000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +25 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0300000
> -4) Check that 4kb of 1 extent and 8Kb of an hole were cloned
> -0000000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +30
> +4) Check that a block of 1 extent and 2 blocks of a hole were cloned
> +0 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0020000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0040000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +4 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0060000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +6 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0100000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0110000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +11 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0130000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +13 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0200000 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> +20 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> *
> -0220000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +22 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0240000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +24 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0250000 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> +25 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> *
> -0260000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +26 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0300000
> -5) Check that 4kb of 1 extent and 8Kb of an hole were cloned and file size increased
> -0000000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +30
> +5) Check that a block of 1 extent and 2 blocks of a hole were cloned and file size increased
> +0 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0020000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0040000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +4 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0060000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +6 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0100000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0110000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +11 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0130000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +13 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0200000 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> +20 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> *
> -0220000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +22 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0240000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +24 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0250000 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> +25 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> *
> -0260000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +26 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0270000 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> +27 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> *
> -0300000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0320000
> -6) Check that 8kb of the hole were cloned
> -0000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +32
> +6) Check that 2 blocks of the hole were cloned
> +0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0040000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +4 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0060000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +6 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0100000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0110000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +11 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0130000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +13 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0200000 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> +20 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> *
> -0220000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +22 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0240000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +24 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0250000 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> +25 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> *
> -0260000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +26 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0270000 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> +27 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> *
> -0300000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0320000
> -7) Check that 32kb of the hole were cloned and the file size increased
> -0000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +32
> +7) Check that 8 blocks of the hole were cloned and the file size increased
> +0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0040000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +4 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0060000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +6 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0100000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0110000 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> +11 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04
> *
> -0130000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> +13 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> *
> -0200000 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> +20 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> *
> -0220000 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> +22 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02
> *
> -0240000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +24 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0250000 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> +25 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> *
> -0260000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +26 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0270000 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> +27 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05
> *
> -0300000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> -0420000
> +42
> --
> 2.1.0
>

--
Filipe David Manana,

"Reasonable men adapt themselves to the world.
Unreasonable men adapt the world to themselves.
That's why all progress depends on unreasonable men."