Alan Cox wrote: >> I think there have been enough cases where this draining was necessary. >> IIRC, ata_piix was involved in those cases, right? If so, can you >> please submit a patch which applies this only to affected controllers? >> I don't feel too confident about applying this to all SFF controllers. > > Old IDE does it on all controllers bar a couple. So we have a very good > knowledge of what does/doesn't work. The one that needs care in old ide > is an ordering issue where a state machine reset done first causes the > drain of the I/O to hang. Hmmm... So, do we apply draining to all PATA? Or is ata_piix SATA affected too? -- tejun - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html