On Wed, Apr 09, 2008 at 03:40:34AM +0200, Michael Schmitz wrote: > > However, not only FS data is byteswapped, complete disk including partition > > table and everything else is. Will "rq->cmd_type == REQ_TYPE_FS" also catch > > all these cases? > > IIRC only identify data (and perhaps ATAPI data) need to be byteswapped > twice (or not at all), so REQ_TYPE_FS should catch all other cases. my main worry is whether REQ_TYPE_FS is set even when using raw disk access, eg reading partition table or raw partitions. The partition table initialisation is one of the reasons why using dmapper would be a major pain btw. > (Good catch about ATAPI there, BTW - I never thought about that, and ISTR > that IDE CD-ROMs never worked in Linux. That would be the reason why..) IDE CDROM works perfectly on the Q40? Richard -- 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
