... Note: This has not been updated since changes were made in the block device interface to support block device loadable modules. ... To mount a filesystem on a device, it must be a block device driven by a block device driver. ... Instead, your driver uses block_read() and block_write() , which are generic functions, provided by the VFS, which will call the strategy routine, or request() function, which you write in place of read() and write() for your driver. ... DEVICE_NAME is simply the device...