On Thu, Jun 19, 2008 at 12:54:19PM -0600, Matthew Wilcox wrote: > On Thu, Jun 19, 2008 at 08:39:38PM +0200, Stefan Richter wrote: > > The problem is AFAIU not exactly how many Scsi_Host instances (initiator > > port representations, or something remotely related to that) are > > instantiated, but rather _when_ they are instantiated. On multi > > protocol buses or networks like USB and FireWire, it makes sense to > > create the SCSI initiator port representation when we discovered that > > there are actually SCSI targets on the bus or network. > > I'm not convinced of that. Why shouldn't we create one scsi host for > all USB scsi devices? I know that today there's a certain amount of > per-device state stored in the scsi_host, but that should be fixable. First, there are usb-storage devices which are USB<->SCSI bridges and therefore support multiple target devices. Second, you would still need multiple hosts when you have more than 15 target USB devices, anyway. Matt -- Matthew Dharm Home: mdharm-usb@xxxxxxxxxxxxxxxxxx Maintainer, Linux USB Mass Storage Driver E: You run this ship with Windows?! YOU IDIOT! L: Give me a break, it came bundled with the computer! -- ESR and Lan Solaris User Friendly, 12/8/1998
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