It is mentioned in the official documents of the Linux Foundation and WIKI that you can participate in its development according to the TODO files of each module. But the TODO files here has not been updated for 15 years, and the function development described in the file have been implemented or abandoned. Its existence will mislead developers seeking to view outdated information. Wang Qing (6): mips/sgi-ip27: Delete obsolete TODO file scsi/aacraid: Delete obsolete TODO file fs/befs: Delete obsolete TODO file fs/jffs2: Delete obsolete TODO file net/ax25: Delete obsolete TODO file net/decnet: Delete obsolete TODO file arch/mips/sgi-ip27/TODO | 19 ------------------- drivers/scsi/aacraid/TODO | 3 --- fs/befs/TODO | 14 -------------- fs/jffs2/TODO | 37 ------------------------------------- net/ax25/TODO | 20 -------------------- net/decnet/TODO | 40 ---------------------------------------- 6 files changed, 133 deletions(-) delete mode 100644 arch/mips/sgi-ip27/TODO delete mode 100644 drivers/scsi/aacraid/TODO delete mode 100644 fs/befs/TODO delete mode 100644 fs/jffs2/TODO delete mode 100644 net/ax25/TODO delete mode 100644 net/decnet/TODO -- 2.7.4