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authorJustus Winter <4winter@informatik.uni-hamburg.de>2013-07-30 11:59:20 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-09-15 23:19:45 +0200
commit3a5bcbcc94f01b1ef1ed0571b31434ed57162224 (patch)
tree19bf83ce545ce57f1b1cb7a00b4373f78f377f67 /libnetfs/netfs.h
parent70b1ab5dbb8d7d1cf63ab170e0a96a03c6dd363c (diff)
libnetfs: add fsys_get_source
Add a user overridable function netfs_get_source with a default implementation returning EOPNOTSUPP. Add a server function for fsys-get-source. * libnetfs/Makefile: Add fsys-get-source.c and get-source.c * libnetfs/netfs.h: Add netfs_get_source. * libnetfs/fsys-get-source.c: New file. * libnetfs/get-source.c: Likewise.
Diffstat (limited to 'libnetfs/netfs.h')
-rw-r--r--libnetfs/netfs.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/libnetfs/netfs.h b/libnetfs/netfs.h
index 2b9454a9..e10ccae0 100644
--- a/libnetfs/netfs.h
+++ b/libnetfs/netfs.h
@@ -1,6 +1,6 @@
/*
- Copyright (C) 1994,95,96,97,99,2000,02 Free Software Foundation, Inc.
+ Copyright (C) 1994,95,96,97,99,2000,02,13 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
@@ -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 */