Re: O_DIRECT question

From: bert hubert
Date: Thu Jan 11 2007 - 11:24:10 EST


On Thu, Jan 11, 2007 at 07:50:26AM -0800, Linus Torvalds wrote:
> Yes. O_DIRECT is really fundamentally broken. There's just no way to fix
> it sanely. Except by teaching people not to use it, and making the normal

Does this mean that it will eat data today? Or that it is broken because it
requires heaps of work on the kernel side?

If it will eat data, when? What are the issues, cache coherency?

I understand what you say about O_DIRECT, but considering that it is seeing
use today, it would be good to know the extent of the practical problems.

Thanks.

--
http://www.PowerDNS.com Open source, database driven DNS Software
http://netherlabs.nl Open and Closed source services
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/