Update a comment, no code changes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/util-linux/volume_id/get_devname.c b/util-linux/volume_id/get_devname.c
index 181b6db7e7a1aa67d0ad15e7e93bd9aa9c5feec2..a1786df1c0620f6ef4e45aedaa9d80dc76d3aba5 100644 (file)
--- a/util-linux/volume_id/get_devname.c
+++ b/util-linux/volume_id/get_devname.c
@@ -92,7 +92,9 @@ uuidcache_check_device(const char *device,
 
        /* Users report that mucking with floppies (especially non-present
         * ones) is significant PITA. This is a horribly dirty hack,
-        * but it is very useful in real world. */
+        * but it is very useful in real world.
+        * If this will ever need to be enabled, consider using O_NONBLOCK.
+        */
        if (major(statbuf->st_rdev) == 2)
                return TRUE;