Hello, Rich. On Sun, Apr 26, 2020 at 15:29:40 -0400, Rich Freeman wrote:
[ .... ] > Incidentally, in the other thread the reason that dry-run didn't > report anything to be trimmed is that this is hard-coded: > printf(_("%s: 0 B (dry run) trimmed on %s\n"), path, devname); > https://github.com/karelzak/util-linux/blob/master/sys-utils/fstrim.c#L109 Thanks for looking that up! There doesn't appear to be much point to this misleading --dry-run option. It seems like a good idea which never got implemented (except in the manual). > Otherwise the ioctl returns how much space was trimmed, and fstrim outputs > this. > -- > Rich -- Alan Mackenzie (Nuremberg, Germany).