On Mon, Nov 30, 2015 at 10:16 AM, Chandan Rajendra
<[email protected]> wrote:
> The helpers introduced in this commit will be used to make btrfs tests that
> assume 4k as the block size to work on non-4k blocksized filesystem instances
> as well.
>
> Signed-off-by: Chandan Rajendra <[email protected]>
Reviewed-by: Filipe Manana <[email protected]>
Thanks!
> ---
> common/filter | 45 +++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 45 insertions(+)
>
> diff --git a/common/filter b/common/filter
> index af456c9..05f2fab 100644
> --- a/common/filter
> +++ b/common/filter
> @@ -229,6 +229,38 @@ _filter_xfs_io_unique()
> common_line_filter | _filter_xfs_io
> }
>
> +_filter_xfs_io_units_modified()
> +{
> + UNIT=$1
> + UNIT_SIZE=$2
> +
> + $AWK_PROG -v unit="$UNIT" -v unit_size=$UNIT_SIZE '
> + /wrote/ {
> + split($2, bytes, "/")
> +
> + bytes_written = strtonum(bytes[1])
> +
> + offset = strtonum($NF)
> +
> + unit_start = offset / unit_size
> + unit_start = int(unit_start)
> + unit_end = (offset + bytes_written - 1) / unit_size
> + unit_end = int(unit_end)
> +
> + printf("%ss modified: [%d - %d]\n", unit, unit_start,
> unit_end)
> +
> + next
> + }
> + '
> +}
> +
> +_filter_xfs_io_blocks_modified()
> +{
> + BLOCK_SIZE=$(get_block_size $SCRATCH_MNT)
> +
> + _filter_xfs_io_units_modified "Block" $BLOCK_SIZE
> +}
> +
> _filter_test_dir()
> {
> sed -e "s,$TEST_DEV,TEST_DEV,g" -e "s,$TEST_DIR,TEST_DIR,g"
> @@ -323,5 +355,18 @@ _filter_ro_mount() {
> -e "s/mount: cannot mount block device/mount: cannot mount/g"
> }
>
> +_filter_od()
> +{
> + BLOCK_SIZE=$(get_block_size $SCRATCH_MNT)
> + $AWK_PROG -v block_size=$BLOCK_SIZE '
> + /^[0-9]+/ {
> + offset = strtonum("0"$1);
> + $1 = sprintf("%o", offset / block_size);
> + print $0;
> + }
> + /\*/
> + '
> +}
> +
> # make sure this script returns success
> /bin/true
> --
> 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."
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