nilfs2-kmod8 1.9
- Backport recent fixes for various issues reported by syzbot:
- fix use-after-free bug of nilfs_root in nilfs_evict_inode()
- reject devices with insufficient block count
- fix possible out-of-bounds segment allocation in resize ioctl
- fix incomplete buffer cleanup in nilfs_btnode_abort_change_key()
- Add inline function compatibility definitions for maintenance:
- Allow to use bdev_nr_bytes() and sb_bdev_nr_blocks()