Update a comment, no code changes

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

1 files changed, 3 insertions, 1 deletions

diff --git a/util-linux/volume_id/get_devname.c b/util-linux/volume_id/get_devname.c
index 181b6db7e..a1786df1c 100644
--- 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;