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Re: [PATCH] xfstests: fix flink test

To: Josef Bacik <jbacik@xxxxxx>, linux-btrfs@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx
Subject: Re: [PATCH] xfstests: fix flink test
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Wed, 07 May 2014 23:16:27 -0500
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1399496087-20431-1-git-send-email-jbacik@xxxxxx>
References: <1399496087-20431-1-git-send-email-jbacik@xxxxxx>
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.5.0
On 5/7/14, 3:54 PM, Josef Bacik wrote:
> I don't have flink support in my xfsprogs, but it doesn't fail with "command 
> not
> found" or whatever, it fails because I don't have the -T option.  So fix
> _require_xfs_io_command to check for an invalid option and not run.  This way 
> I
> get notrun instead of a failure.  Thanks,

This actually doesn't work for me on an old kernel, if that matters; it
fails with:

/mnt/test: Is a directory

and nothing catches that.  Old xfsprogs tries to open the file
in question RDWR even before it gets to the -T option (which
would fail, I guess), and you can't do that for directories.

So I suppose we could explicitly test for that when checking
flink:

        [ $command = "flink" ] && echo $testio | grep -q "Is a directory" && \
                _notrun "xfs_io flink support is missing"

or alternately, first just run xfs_io w/ the command but no file;
today, at least, that works:

[root@bp-05 xfstests]# xfs_io -c flink
command "flink" not found
[root@bp-05 xfstests]# xfs_io -c pread
[root@bp-05 xfstests]# 

so could do this before the case statement:

        $XFS_IO_PROG -c $command 2>&1 | grep -q "not found" && \
                _notrun "xfs_io $command support is missing"

but that might be subject to future changes in xfs_io command
parsing...

-Eric


> Signed-off-by: Josef Bacik <jbacik@xxxxxx>
> ---
>  common/rc | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/common/rc b/common/rc
> index 5c13db5..4fa7e63 100644
> --- a/common/rc
> +++ b/common/rc
> @@ -1258,6 +1258,8 @@ _require_xfs_io_command()
>               _notrun "xfs_io $command support is missing"
>       echo $testio | grep -q "Operation not supported" && \
>               _notrun "xfs_io $command failed (old kernel/wrong fs?)"
> +     echo $testio | grep -q "invalid option" && \
> +             _notrun "xfs_io $command support is missing"
>  }
>  
>  # Check that a fs has enough free space (in 1024b blocks)
> -- 1.8.3.1 _______________________________________________ xfs mailing list 
> xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
> 

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