e4defrag support?

[Michał Piotrowski]

W dniu 6 października 2010 15:42 użytkownik Eric Sandeen
<sandeen at redhat.com> napisał:
> Michał Piotrowski wrote:
>> W dniu 6 października 2010 05:01 użytkownik Eric Sandeen
>> <sandeen at redhat.com> napisał:
>
> ...
>
>>> cool!  I suppose I could turn it on in rawhide, or you could just
>>> build your own e2fsprogs to get it ...
>>
>> I already built my own version.
>
> Ok, let me know if you can break anything! :)
>
> (Some of my concern, which is admittedly hand-wavy, is the
> kernelside design of the thing, but any outright breakage
> of the current implementation would be good to find as well)
>
> Some things to test would be attempting to defrag files
> which are being actively written to / read from in various
> ways - concurrent access, mmap, etc

I want to start with basic scenario:
- mad file/directory/link creation/delete/move - something like fsrace/fsfuzzer
- create file checksums
- defrag file/dir/image
- verify checksums

>.  Also possibly testing large
> and/or sparse files, files with extended attributes, testing
> enospc conditions ....
>
> If you find a way to break it we can enshrine it as a regression
> test in the testsuite.

I plan to log all actions taken by the script - something like a
"reply" option :)

I do not know if it will work but worth a try

>
> Thanks!
>
> -Eric

Regards,
Michal