all: don't unconditionally use leaf optimization for NFS

* gnulib: Update to latest where the only change is to
not unconditionally enable leaf optimization for fts on NFS,
as it was seen to abort() with some NFS servers as per:
https://bugzilla.redhat.com/1299169
This affects utilities that traverse directories like
cp, rm, chmod etc.
* NEWS: Adjust the improvement message to leave only XFS.

diff --git a/NEWS b/NEWS
index b42da0a467afb908a9ddb1614563f8e22bc6a541..45ee103a91c8868809f8047661f67b3f02c89525 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -79,7 +79,7 @@ GNU coreutils NEWS                                    -*- outline -*-
   which avoids confusing error messages in the presence of '\r' chars etc.
 
   Utilities that traverse directories, like chmod, cp, and rm etc., will operate
-  more efficiently on XFS and in more cases on NFS, through "leaf optimization".
+  more efficiently on XFS through the use of "leaf optimization".
 
   md5sum now ensures a single line per file for status on standard output,
   by using a '\' at the start of the line, and replacing any newlines with '\n'.

diff --git a/gnulib b/gnulib
index 350f2c6fb569f42f0a8ff47fd5b7442f24f0e658..85717b68b03bf85016c5079fbbf0c8aa2b182ba6 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 350f2c6fb569f42f0a8ff47fd5b7442f24f0e658
+Subproject commit 85717b68b03bf85016c5079fbbf0c8aa2b182ba6