On Wed, 2011-06-29 at 22:24 -0700, Allison Henderson wrote:
> This patch adds a new test 255 that tests fallocate punch hole,
> but is for use by generic filesystems. It is similar to 252,
> but uses a weaker fiemap filter that only displays the location
> of the hole, and not the extent types.
>
> Signed-off-by: Allison Henderson <achender@xxxxxxxxxxxxxxxxxx>
I realize Christoph already committed this but I
spotted something so I thought I might as well
mention it. I haven't tested any of this, so
it may be OK after all, but if it's not then
the filter_hole_fiemap() function ought to be
updated.
-Alex
. . .
> diff --git a/common.punch b/common.punch
> index c18f88a..a48b7ae 100644
> --- a/common.punch
> +++ b/common.punch
> @@ -218,6 +218,23 @@ _filter_fiemap()
> _coalesce_extents
> }
>
> +# Filters fiemap output to only print the
> +# file offset column and whether or not
> +# it is an extent or a hole
> +_filter_hole_fiemap()
> +{
> + awk --posix '
> + $3 ~ /hole/ {
> + print $1, $2, $3;
> + next;
> + }
> + $5 ~ /0x[[:digit:]]+/ {
I believe this should be:
$5 ~ /0x[[:xdigit:]]+/ {
(I.e., hex digits, not just decimals.)
> + print $1, $2, "extent";
> + }' |
> + _coalesce_extents
> +}
> +
> +
> # Prints the md5 checksum of a given file
> _md5_checksum()
> {
. . .
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