On Tue, 28 Apr 2009, Alasdair G Kergon wrote: > 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? No. > (Because of the "wait for all outstanding I/O" bit that eventually I > want to see removed to facilitate true barrier passing?) With dm-delay, "true barrier passing" doesn't have sense. Dm-delay is designed to delay requests, so no one wants high performance from it :) > Alasdair > -- > agk@xxxxxxxxxx Mikulas -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
