---
libnetfs/Makefile | 5 +++--
libnetfs/fsys-get-source.c | 35 +++++++++++++++++++++++++++++++++++
libnetfs/get-source.c | 28 ++++++++++++++++++++++++++++
libnetfs/netfs.h | 6 ++++++
4 files changed, 72 insertions(+), 2 deletions(-)
create mode 100644 libnetfs/fsys-get-source.c
create mode 100644 libnetfs/get-source.c
diff --git a/libnetfs/Makefile b/libnetfs/Makefile
index 121689e..0d1fa7c 100644
--- a/libnetfs/Makefile
+++ b/libnetfs/Makefile
@@ -34,7 +34,8 @@ FSSRCS= dir-link.c dir-lookup.c dir-mkdir.c dir-mkfile.c \
file-get-translator.c file-getcontrol.c file-getlinknode.c \
file-lock-stat.c file-lock.c file-set-size.c \
file-set-translator.c file-statfs.c file-sync.c file-syncfs.c \
- file-utimes.c file-reparent.c fsstubs.c file-get-transcntl.c
+ file-utimes.c file-reparent.c fsstubs.c file-get-transcntl.c \
+ get-source.c
IOSRCS= io-read.c io-readable.c io-seek.c io-write.c io-stat.c
io-async.c \
io-set-all-openmodes.c io-get-openmodes.c io-set-some-openmodes.c \
@@ -44,7 +45,7 @@ IOSRCS= io-read.c io-readable.c io-seek.c io-write.c
io-stat.c io-async.c \
io-version.c
FSYSSRCS= fsys-syncfs.c fsys-getroot.c fsys-get-options.c fsys-set-options.c \
- fsys-goaway.c fsysstubs.c fsys-get-children.c
+ fsys-goaway.c fsysstubs.c fsys-get-children.c fsys-get-source.c
IFSOCKSRCS=
OTHERSRCS= drop-node.c init-init.c make-node.c make-peropen.c make-protid.c \
diff --git a/libnetfs/fsys-get-source.c b/libnetfs/fsys-get-source.c
new file mode 100644
index 0000000..37bd0cc
--- /dev/null
+++ b/libnetfs/fsys-get-source.c
@@ -0,0 +1,35 @@
+/* fsys_get_source
+
+ Copyright (C) 2013 Free Software Foundation, Inc.
+
+ Written by Justus Winter <4win...@informatik.uni-hamburg.de>
+
+ This file is part of the GNU Hurd.
+
+ The GNU Hurd is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ The GNU Hurd is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with the GNU Hurd; see the file COPYING. If not, write to
+ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "priv.h"
+#include "fsys_S.h"
+
+/* Return information about the source of the receiving
+ filesystem. */
+error_t
+netfs_S_fsys_get_source (mach_port_t server,
+ mach_port_t reply,
+ mach_msg_type_name_t replyPoly,
+ char *source)
+{
+ return netfs_get_source (source);
+}
diff --git a/libnetfs/get-source.c b/libnetfs/get-source.c
new file mode 100644
index 0000000..68d5c89
--- /dev/null
+++ b/libnetfs/get-source.c
@@ -0,0 +1,28 @@
+/* Default version of netfs_get_source
+ Copyright (C) 2013 Free Software Foundation, Inc.
+
+ Written by Justus Winter <4win...@informatik.uni-hamburg.de>
+
+ This file is part of the GNU Hurd.
+
+ The GNU Hurd is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ The GNU Hurd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
+
+#include "priv.h"
+
+error_t
+netfs_get_source (char *source)
+{
+ return EOPNOTSUPP;
+}
diff --git a/libnetfs/netfs.h b/libnetfs/netfs.h
index 2b9454a..7cd57ed 100644
--- a/libnetfs/netfs.h
+++ b/libnetfs/netfs.h
@@ -313,6 +313,12 @@ error_t netfs_file_get_storage_info (struct iouser *cred,
mach_msg_type_number_t *num_offsets,
char **data,
mach_msg_type_number_t *data_len);
+
+/* The user may define this function. The function must set source to
+ the source device of the filesystem. The function may return an
+ EOPNOTSUPP to indicate that the concept of a source device is not
+ applicable. The default function always returns EOPNOTSUPP. */
+error_t netfs_get_source (char *source);
/* Option parsing */
--
1.7.10.4
