Re: [dm-devel] Re: [PATCH 12/17] bottom-layer barrier support

[Alasdair G Kergon <agk redhat com>]

On Mon, Apr 27, 2009 at 07:41:47PM -0400, Mikulas Patocka wrote:
> There is separate read_delay and write_delay. Flushes are governed by 
> write_delay.
 
And the value of read_delay has no impact on the flush?

(Because of the "wait for all outstanding I/O" bit that eventually I
want to see removed to facilitate true barrier passing?)

Alasdair
-- 
agk redhat com