Jeff Moyer <jmoyer@xxxxxxxxxx> writes: >> Hence once the filesystem has waited on the REQ_WRITE|REQ_FLUSH IO >> to complete, we know that all the earlier REQ_WRITE IOs are on >> stable storage, too. Hence there's no need for the elevator to drain >> the queue to guarantee completion ordering - the dispatch ordering >> and flush/fua write semantics guarantee that when the flush/fua >> completes, all the IOs dispatch prior to that flush/fua write are >> also on stable storage... > > Des xfs rely on this model for correctness? If so, I'd say we've got a > problem. Dave? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>