Jan Kara <jack@xxxxxxx> writes: > Hello, > > with transition to blk-mq, the elevator= kernel argument was removed. I > understand the reasons for its removal but still I think this may come as a > surprise to some users since that argument has been there for ages and > although distributions generally transition to setting appropriate elevator > by udev rules, there are still people that use that argument with older > kernels and there are quite a few advices on the Internet to use it. So > shouldn't we at least warn loudly if someone uses elevator= argument on > kernels that don't support it and redirect people to sysfs? Something like > the attached patch? What do people think? That's fine with me. Reviewed-by: Jeff Moyer <jmoyer@xxxxxxxxxx>
