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

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On Wed, 2011-07-13 at 15:37 -0700, Allison Henderson wrote:
> On 07/13/2011 09:31 AM, Alex Elder wrote:
> > 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.)
> >
> 
> Hi Alex,
> 
> I think you are right.  The extent flags are printed in hex, so it 
> should be xdigit.  The existing _filter_fiemap routine that I modeled 
> this code from is also only parsing decimal digits.  Even though the 
> tests are not showing any problems right now, it should probably be 
> fixed.  Should I submit a patch to correct it?


Please, yes--to fix both.  And please verify the problem
while you're at it if possible.  Thank you.

					-Alex

> Allison Henderson
> 
> >> +			print $1, $2, "extent";
> >> +		}' |
> >> +	_coalesce_extents
> >> +}
> >> +
> >> +
> >>   # Prints the md5 checksum of a given file
> >>   _md5_checksum()
> >>   {
> >
> > . . .
> >
> 



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