+define Package/fstrim
+$(call Package/util-linux/Default)
+ TITLE:=discard unused blocks on a mounted filesystem
+ DEPENDS:= +libblkid +libuuid +libsmartcols +libmount
+ SUBMENU=Filesystem
+endef
+
+define Package/fstrim/description
+ fstrim is used on a mounted filesystem to discard (or "trim") blocks
+ which are not in use by the filesystem. This is useful for solid-
+ state drives (SSDs) and thinly-provisioned storage.
+endef
+