Failure of xfstests test case 202

[Dave Chinner]

On Fri, Jun 10, 2011 at 01:39:47PM -0700, Chandra Seetharaman wrote:
> Hi all,
> 
> Test case 202 tries to create a single AG filesystem and runs xfs_repair
> on it expecting it to fail.
> 
> But, when I run the test with a filesystem that is bigger than 1TB it
> fails (not pleasantly) since the max AG size is 1TB.
> 
> I am thinking of the following solution, please let me know if there is
> any other elegant fix.
> 
> chandra
> ------------------------
> diff --git a/202 b/202
> index cbdcb57..b871d8b 100755
> --- a/202
> +++ b/202
> @@ -42,10 +42,12 @@ _supported_os Linux
>  _require_scratch
>  
>  echo "== Creating single-AG filesystem =="
> -_scratch_mkfs_xfs -d agcount=1 >/dev/null 2>&1
> +_scratch_mkfs_xfs -d agcount=1 >/dev/null 2>&1 \
> + || _scratch_mkfs_xfs -d agcount=1 -d size=268435455b >/dev/null 2>&1 
> + || _fail "!!! failed to make filesystem"

Why the second mkfs attempt with a fixed block size?  That will
still fail for block size > 4k.  All you need to do is detect the
first attempt failed.

>  
>  echo "== Trying to repair it (should fail) =="
> -_scratch_xfs_repair
> +_scratch_xfs_repair && _fail "!!! xfs_repair of single AG filesystem
> succeeded"

This is not necessary - the golden image compare at the end of the
test will detect this succeeding when it shoul dbe failing.

Cheers,

Dave.
-- 
Dave Chinner
david at fromorbit.com