[PATCH] xfstests btrfs/284: shorten duration, fix output

[Rich Johnston]

On 04/26/2013 01:45 PM, Eric Sandeen wrote:
> test 284 had... some issues.
>
> First, it took so long nobody ran it; so shorten the extent
> count by a factor of about 100.
>
> Having fixed that, we see failures in 2 cases; when start or
> len is -1, but the golden output file didn't have error
> output, as if they should pass.
>
> I'm going to argue that these *should* both fail; start = -1
> has no real meaning.  length = -1 might mean "the rest
> of the file" but if that's what you really want, just
> don't specify -l.
>
> So add failure output for those cases.
>
> Send all command output to $seq.full, in case that changes
> in the future; just capture the return value.
>
> Then remove the return value echo on failure (50?) because
> who knows when that might change to some other magic value.
>
> Ok, then when defrag actually works, old defrag returned
> "20" (because?) but a recent commit changed it to 0.
> So accommodate that too.
>
> And remove a stray "HAVE_DEFRAG=1" while we're at it.
> That variable is never used.
>

So should I be seeing failures with
btrfs-progs-0.20-0.2.git91d9eec.el6.x86_64 installed?

./check btrfs/284
FSTYP         -- btrfs
PLATFORM      -- Linux/x86_64 cxfsxe4 3.9.0+
MKFS_OPTIONS  -- /dev/sdk2
MOUNT_OPTIONS -- /dev/sdk2 /mnt/scratch

btrfs/284	 - output mismatch (see 
/usr/src/rcj/xfstests/results/btrfs/284.out.bad)
     --- tests/btrfs/284.out	2013-05-14 09:31:35.000000000 -0500
     +++ /usr/src/rcj/xfstests/results/btrfs/284.out.bad	2013-05-14 
10:10:45.000000000 -0500
     @@ -6,7 +6,6 @@
      btrfs filesystem defragment failed!
      a single file | start > file size && 0 < len < file size | off
      a single file | start = 0 && len < 0 | off (should fail)
     -btrfs filesystem defragment failed!
      a single file | start = 0 && len > file size | off
      a single file | start = 0 && 0 < len < file size | off
      a directory | default | off
      ...
      (Run 'diff -u tests/btrfs/284.out 
/usr/src/rcj/xfstests/results/btrfs/284.out.bad' to see the entire diff)
Ran: btrfs/284
Failures: btrfs/284
Failed 1 of 1 tests