Re: [PATCH 4/4 v3] XFS TESTS: Fix 252 Failure: Add Generic FS Punch Hole Test 255

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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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