Messages in this thread | | | Date | Tue, 27 May 2003 03:29:55 -0400 | From | Jeff Garzik <> | Subject | Re: [BK PATCHES] add ata scsi driver |
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Linus Torvalds wrote: > One prime example of this is cdrecord, and the incredible braindamage that > the name "SCSI" foisted upon it. Why? Because everybody (ie schily) > _knows_ that SCSI is addressed by bus/id/lun, and thinks that anything > else is wrong. So you have total idiocies like the "cdrecord -scanbus" > crap for finding your device, and totally useless naming that makes no > sense in any sane environment. > > Calling something SCSI when it isn't brings on these kinds of bad things: > people make assuptions that aren't sensible or desireable. > > Names have power. There's baggage and assumptions in a name. In the case > of SCSI, there is a _lot_ of baggage.
Now that argument I can buy.
There's still helper functions to be created before a native block driver can directly use struct requests for fully native queueing. Brand new device, host registration code. PM, hotplug, yadda yadda. It winds up being a lot of code still, and it not as simple as you and Jens seem to be making the task out to be. That's why I brought up /dev/{disk,floppy,cdrom}...
If all that work is to be done for a brand new, native block driver, we should at least intend on using the code as a bus-agnostic command transport layer, with packages of helpers like my current "libata" doing the command set work (and sometimes, some amount of low-level driver work, where commonality exists).
Jeff
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