Port xfstests 145, 161, 175, 176, 185?

[Allison Henderson]

On 06/09/2011 04:08 AM, Christoph Hellwig wrote:
> On Wed, Jun 08, 2011 at 11:48:58AM -0700, Allison Henderson wrote:
>> During one of my reviews for the punch hole tests patch set it was
>> mentioned that it would be helpful to take the xfstests 145, 161,
>> 175, 176, 185 and modify them such that they can run with out
>> requiring the dmapi.  These tests contain some more interesting
>> punch hole tests, but they dont normally run unless there is support
>> for dmapi.
>>
>> I did take a peek at them and I was thinking that if we decide to do
>> this, we would probably need to do something like introduce a new
>> set of source code that is similar to what is seen under the dmapi
>> folder, but modified to use a generic interface instead of the dmapi
>> libraries.  We could try to merge them into a single code path, but
>> I think that may introduce more complexities than would be
>> desirable.
>
> Most of it should be doable using xfs_io.  If it's nessecary to write
> new source files because of e.g. concurrency tests that we can't easily
> do from xfs_io please add new source files to the src/ directory.
>
> Also, please don't rewrite the actual existing dmapi test cases, but
> add new ones testing these patterns using the fallocate interface, as
> the coverage for the dmapi interface still is useful.
>

Alrighty, thx Christoph.  I will keep this work item on my todo list then.