From 03117dc0dbf8982b673a47ca3b88936b5fea227e Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Thu, 21 Apr 2016 14:28:53 +0200
Subject: [PATCH] fsync.2: Give some examples of files where sync can fail with
 EINVAL

Reported-by: Georg Sauthoff <gsauthof@techfak.uni-bielefeld.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man2/fsync.2 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/man2/fsync.2 b/man2/fsync.2
index 76dcf96b1..655b09a30 100644
--- a/man2/fsync.2
+++ b/man2/fsync.2
@@ -122,7 +122,8 @@ An error occurred during synchronization.
 .TP
 .BR EROFS ", " EINVAL
 .I fd
-is bound to a special file which does not support synchronization.
+is bound to a special file (e.g., a pipe, FIFO, or socket)
+which does not support synchronization.
 .SH CONFORMING TO
 POSIX.1-2001, POSIX.1-2008, 4.3BSD.
 .SH AVAILABILITY