docs: add note about lsblk

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/Documentation/TODO b/Documentation/TODO
index 11e65d1a508de4e7c4fab0f627cb468e536df16e..7d55aa17ddfd352bcbe5b41ec6604f5868581c6a 100644 (file)
--- a/Documentation/TODO
+++ b/Documentation/TODO
@@ -26,6 +26,14 @@ libmount (mount/umount)
 
    (all this already supported by libmount)
 
+libsmartcols
+-----------
+
+ - (!) add SCOLS_FL_HIDDEN flag to make it possible to hide a column. Then we 
+   can use such column in lsblk(8) to only sort lines, but do not print the column.
+
+     lsblk -o NAME --sort SIZE
+
 partx
 -----