fdatasync: minor improvements

[gnulib.git] / lib / fdatasync.c

diff --git a/lib/fdatasync.c b/lib/fdatasync.c
index 54c10fd..3d26793 100644 (file)
--- a/lib/fdatasync.c
+++ b/lib/fdatasync.c
@@ -21,5 +21,7 @@
 int
 fdatasync (int fd)
 {
+  /* This does more work than strictly necessary, but is the best we
+     can do portably.  */
   return fsync (fd);
 }