Alan Stern wrote: > > I don't know how much effort it would be for storage - is a block > > device unaware that it has been mounted? > > Those are two separate issues. Firstly, usb-storage is not a block > device drivers; it is a USB driver.
You're of course right, the knowledge needs to travel across several drivers. > Secondly, the block driver (not device) is not aware when any of > the filesystems in any of the partitions has been mounted. > But it is aware of when the device file is open. Nod, that answers my thought. Thanks for clarification. > > I mean: does the kernel > > only keep a single link from the filesystem to the block device, > > and nothing the other way around? > > A block device can contain many filesystems: one in each partition. I guess I have userspace bias; by block device I meant one major+minor combination, ie. either full device or partition. //Peter -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
