On Fri, 2011-07-08 at 15:43 -0400, Alan Stern wrote: > On Fri, 8 Jul 2011, James Bottomley wrote: > > > However, that does beg the question of why sr is using the device after > > sr_remove() has completed. That seems to be because of the block ops > > being the dominant structure, so we try to do cleanup when we get the > > block release rather than the driver release ... that looks to be the > > root cause to me. > > Hmmm. What happens if I use sysfs to unbind the scsi_device from sr > while it is still mounted, and then quickly rebind it again? Until the > filesystem is unmounted and the block release is complete, would both > instances end up sending commands to the device concurrently? The device will go into CANCEL or DEL and resurrection is impossible ... it should give an error when you attempt the rebind. James -- To unsubscribe from this list: 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
