[dm-devel] Re: [PATCH 12/17] bottom-layer barrier support
Alasdair G Kergon
agk at redhat.com
Mon Apr 27 23:44:06 UTC 2009
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 at redhat.com
More information about the dm-devel
mailing list