chflags can get EOPNOTSUPP

diff --git a/lib/libc/sys/chflags.2 b/lib/libc/sys/chflags.2
index 9346d54..d52519e 100644 (file)
--- a/lib/libc/sys/chflags.2
+++ b/lib/libc/sys/chflags.2
@@ -117,6 +117,9 @@ Too many symbolic links were encountered in translating the pathname.
 .It Bq Er EPERM
 The effective user ID does not match the owner of the file and
 the effective user ID is not the super-user.
+.It Bq Er EOPNOTSUPP
+The named file resides on a file system that does not support file
+flags.
 .It Bq Er EROFS
 The named file resides on a read-only file system.
 .It Bq Er EFAULT
@@ -139,6 +142,9 @@ refers to a socket, not to a file.
 .It Bq Er EPERM
 The effective user ID does not match the owner of the file and
 the effective user ID is not the super-user.
+.It Bq Er EOPNOTSUPP
+The named file resides on a file system that does not support file
+flags.
 .It Bq Er EROFS
 The file resides on a read-only file system.
 .It Bq Er EIO