Re: [patch] convert aio event reap to use atomic-op instead of spin_lock

[Zach Brown]

> Ken uses the other (superior!) way of implementing ringbuffers: the head
> and tail pointers (the naming of which AIO appears to have reversed) are
> not constrained to the ringsize - they are simply allowed to wrap through
> 0xfffffff.

A-ha!  That sure sounds great.

I'd be happy to see the kernel side fs/aio.c ring management move in
that direction, sure, with a specific patch to do that.

I get less excited when we talk about changing the index semantics as
part of supporting serialization of the ring with userspace.

- z
-
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/