Would it be possible to introduce TRIM for SSD in the array as an unofficial command-line-only feature?   It is not different from how NVMe worked unofficially for a while before going official, or how multiple cache pool is an unofficial command-line-only feature.   I think it would be extremely useful, especially for users who don't run parity to have this option. It would also be useful for LT to make it available so that someone can even try to see if TRIM actually m