On Tue, Apr 18, 2017 at 10:57:11PM +0000, Bart Van Assche wrote: > Both blk-mq and the traditional block layer support a .cmd_size field to > make the block layer core allocate driver-specific data at the end of struct > request. Could that mechanism have been used for the error_count field? It could, and that's what I did for the modern drivers. It would have been a bit of a pain for these old floppy drivers, though.
