Messages in this thread | | | Date | Sun, 6 Jul 2008 08:20:58 -0400 | From | Theodore Tso <> | Subject | Re: PATCH] fix potential latency issues in JBD's journal code |
| |
On Sat, Jul 05, 2008 at 10:30:21PM -0700, Arjan van de Ven wrote: > it's debatable. Because this submit-bh() will sometimes block... it > wouldn't get IO started for that case. I think this is where I'd like > Jens to say what he thinks the rules are; clearly the elevator needs to > treat all of these guys as sync, but maybe the plugging should be .. > flexible.
Stupid idea.... maybe the unplugging should be done on the wait side? Has this been considered already?
- Ted
| |