>> (Why XFS trims 900G when I said 500G is a bit of a mystery... >>> # time fstrim -v --minimum 64M --offset 0G --length 500G /mnt/tmp/ > My guess is that those limiting options are advisory: BTW there is a terse explanation of TRIM by a guy who knows what's about here: https://forums.freebsd.org/threads/ssd-trim-maintenance.56951/#post-328912 and one of the points he makes is that TRIM itself is only a hint, so I guess that related commands behave similarly.
