Re: performance of O_DIRECT on md/lvm

From: Benjamin LaHaise (bcrl@redhat.com)
Date: Mon Jan 21 2002 - 00:35:52 EST


On Mon, Jan 21, 2002 at 02:12:24AM +0100, Andrea Arcangeli wrote:
> yes, in short the API to allow the userspace to keep the I/O pipeline
> full with a ring of user buffers is not available at the moment.

See http://www.kvack.org/~blah/aio/ . Seems to work pretty nicely
for raw io.

                -ben
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Wed Jan 23 2002 - 21:00:42 EST