Messages in this thread | | | Date | Wed, 28 Jan 2004 02:17:19 +0000 | From | viro@parcelfa ... | Subject | Re: PATCH: (as177) Add class_device_unregister_wait() and platform_device_unregister_wait() to the driver model core |
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On Wed, Jan 28, 2004 at 03:03:31AM +0100, Roman Zippel wrote: > Hi, > > On Tue, 27 Jan 2004, Greg KH wrote: > > > > All this is done without a module count, this means that > > > pci_unregister_driver() cannot return before the last reference is gone. > > > For network devices this is not that much of a problem, as they can be > > > rather easily deconfigured automatically, but that's not that easy for > > > mounted block devices, so one has to be damned careful when to call the > > > exit function. > > > > Um, not anymore. I can yank out a mounted block device and watch the > > scsi core recover just fine. The need to make everything hotpluggable > > has fixed up a lot of issues like this (as well as made more > > problems...) > > Recovery of the scsi core is IMO one the smallest problems, but how do you > recover at the block layer? The point is that you have here theoretically > more one recovery strategy, but simply pulling out the module leaves you > not much room for a controlled recovery.
Block layer is not too big issue. We have almost everything in the tree already - the main problem is to get check_disk_change() use regularized. Now, sound and character devices in general... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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