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SubjectRe: [RFC PATCH 0/2] On-demand Filesystem Initialisation
On Sun, Jun 01, 2008 at 03:51:53PM +0100, Tom Spink wrote:
>
> (resend to include CCs)

What cc's? Still no xfs cc on it. I added it to this reply....
> This (short) patch series is another RFC for the patch that introduces on-demand
> filesystem initialisation. In addition to the original infrastructure
> implementation (with clean-ups), it changes XFS to use this new infrastructure.
>
> I wrote a toy filesystem (testfs) to simulate scheduling/allocation delays and
> to torture the mount/unmount cycles. I didn't manage to deadlock the system
> in my tests. XFS also works as expected aswell, in that the global threads
> are not created until an XFS filesystem is mounted for the first time. When the
> last XFS filesystem is unmounted, the threads go away.
>
> Please let me know what you think!

Why even bother? This is why we have /modular/ kernels - if you're
not using XFS then don't load it and you won't see those pesky
threads. That'll save on a bunch of memory as well because the xfs
module ain't small (>480k on i386)....
Cheers,

Dave.
--
Dave Chinner
david@fromorbit.com


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