On Sat, Jan 16, 2021 at 03:15:18PM +0800, Qu Wenruo wrote: > For btrfs subpage support, we need a structure to record extra info for > the status of each sectors of a page. > > This patch will introduce the skeleton structure for future btrfs > subpage support. > All subpage related code would go to subpage.[ch] to avoid populating > the existing code base.
Ok, and after reading more of the patchset it makes even more sense, handling all the special cases is suitable for a separate file.