Re: O_DIRECT please; Sybase 12.5

Stephen C. Tweedie
2001-07-03T09:48:31Z

Hi,

On Fri, Jun 29, 2001 at 02:39:00AM -0700, Dan Kegel wrote:

> It supports raw partitions, which is good; that might satisfy my
> boss (although the administration will be a pain, and I'm not
> sure whether it's really supported by Dell RAID devices).

All block devices support raw IO --- the raw IO mechanism talks to the
device driver through the normal kernel-internal block IO entry
points.

> I'd prefer O_DIRECT :-(

Andrea Arcangeli has already posted patches you can try for ext2. The
functionality isn't in the mainline kernel yet, though.

--Stephen