Hi everyone, Thank you all for helping get online repair, parent pointers, and metadata directory trees, and realtime allocation groups merged this year! We got a lot done in 2024. Having sent pull requests to Carlos for the last pieces of the realtime modernization project, I have exactly two worthwhile projects left in my development trees! The stuff here isn't necessarily in mergeable state yet, but I still believe everyone ought to know what I'm up to. The first project implements (somewhat buggily; I never quite got back to dealing with moving eof blocks) free space defragmentation so that we can meaningfully shrink filesystems; garbage collect regions of the filesystem; or prepare for large allocations. There's not much new kernel code other than exporting refcounts and gaining the ability to map free space. The second project initiates filesystem self healing routines whenever problems start to crop up, which means that it can run fully autonomously in the background. The monitoring system uses some pseudo-file and seqbuf tricks that I lifted from kmo last winter. Both of these projects are largely userspace code. Also I threw in some xfs_repair code to do dangerous fs upgrades. Nobody should use these, ever. Maintainers: please do not merge, this is a dog-and-pony show to attract developer attention. --D PS: I'll be back after the holidays to look at the zoned/atomic/fsverity patches. And finally rebase fstests to 2024-12-08.
