On Mon, Jan 06, 2025 at 07:35:33PM +0800, Yu Kuai wrote: > So there are total 6 existed helpers that I have to export, however, > these are all historical burdens, md_cluster, raid1 slow disk, ... > And I'm trying to get rid of them for the new md bitmap I'm working on. > If you really don't like *module*, I can change the config to bool. :) FYI, I really like your previous cleanups to better encapsulate the bitmap code, and I'm also perfectly fine with a Kconfig options for it. Also splitting existing code into modules has a tendency to break distro initramfs magic frequently even with request_module in place. So unless there is a really good reason I'd rather not do it.