On 10/21/05 14:04, Christoph Hellwig wrote: >>How about this: Why not as a char device? > > you can implement a char device using the block layer. See > drivers/scsi/{ch.c,osst.c,sg.c,st.c} for examples. Christoph, you failed to see that my question was _rhetorical_. > That beeing said I tried this approach. It looks pretty cool when you > think about it, but the block layer is quite a bit too heavyweight for > queueing up a few SMP requests, and we need to carry too much useless > code around for it. That's the last reason not to implement SMP as a block device. But this is good that you tried it and it "flopped". This way people will stop repeating "SMP... block device". Luben -- http://linux.adaptec.com/sas/ http://www.adaptec.com/sas/ - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html