On 12/10/2013 03:44 PM, Karel Zak wrote: > On Mon, Dec 09, 2013 at 02:43:32PM +0100, Lukáš Czerner wrote: >>> All we need is to link fstrim with libmount and lib/sysfs.c, add a new >>> option --all and check non-zero /sys/block/<name>/queue/discard_granularity >>> (or so). >> >> Yes and yes. This is the ultimate solution. Simply being able to run >> fstrim --all to discard free space on all the mounted supported file >> systems is great idea. In that case we do not need any scripts at >> all. > > Implemented. Sten, maybe you can try fstrim --all from git tree > in your crontab. Very nice: https://git.kernel.org/cgit/utils/util-linux/util-linux.git/commit/?id=36c370c One foible was it was called multiple times for my /home Now my /home is mounted a couple of times on my system (why I don't know): ├─/home /dev/sdb1 ext4 rw,relatime,seclabel,user_xattr,barrier=1,data=ordered │ └─/home /dev/sdb1 ext4 rw,relatime,seclabel,user_xattr,barrier=1,data=ordered If this was common it might be worth avoiding processing the same entry multiple times. thanks! Pádraig -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html