Hi!
> Remove the need for having CAP_SYS_RAWIO when doing a FIBMAP call on an open
> file descriptor.
>
> It would be nice to allow users to have permission to see where their data is
> landing on disk, and there really isn't a good reason to keep them from
> getting at this information.
I believe it is to prevent users from intentionally creating extremely
fragmented files...
You can read 60MB in a second, but fragmented 60MB file could take
10msec * 60MB/4KB = 150 seconds. That's factor 150 slowdown...
...but I agree that SYS_RAWIO may be wrong capability to cover this.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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