maint: mention dd's new partial read warning in NEWS

* NEWS: Mention the new feature, from commits e1788d9e and 194c1e89

diff --git a/NEWS b/NEWS
index 68a9a1b..74235e2 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -34,6 +34,9 @@ GNU coreutils NEWS                                    -*- outline -*-
   which will discard any cache associated with the files, or
   processed portion thereof.
 
+  dd now warns that 'iflag=fullblock' should be used,
+  in various cases where partial reads can cause issues.
+
 ** Changes in behavior
 
   cp now avoids syncing files when possible, when doing a FIEMAP copy.