[Ocfs2-tools-devel] [PATCH 05/19] Ocfs2-tools: Add main header for o2info.
Tristan Ye
tristan.ye at oracle.com
Tue Apr 13 19:50:05 PDT 2010
Define prototypes for o2info's operations and some basic structures.
Signed-off-by: Tristan Ye <tristan.ye at oracle.com>
---
o2info/o2info.h | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 82 insertions(+), 0 deletions(-)
create mode 100644 o2info/o2info.h
diff --git a/o2info/o2info.h b/o2info/o2info.h
new file mode 100644
index 0000000..119088c
--- /dev/null
+++ b/o2info/o2info.h
@@ -0,0 +1,82 @@
+/* -*- mode: c; c-basic-offset: 8; -*-
+ * vim: noexpandtab sw=8 ts=8 sts=0:
+ *
+ * o2info.h
+ *
+ * o2info operation prototypes.
+ *
+ * Copyright (C) 2010 Oracle. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * This program 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.
+ */
+
+#ifndef __O2INFO_H__
+#define __O2INFO_H__
+
+#include <getopt.h>
+
+#include "ocfs2/ocfs2.h"
+#include "ocfs2-kernel/kernel-list.h"
+
+enum o2info_method_type {
+ O2INFO_USE_LIBOCFS2 = 1,
+ O2INFO_USE_IOCTL,
+ NUM_O2INFO_METHOD
+};
+
+struct o2info_method {
+ enum o2info_method_type om_method;
+ char om_path[PATH_MAX];
+ union {
+ ocfs2_filesys *om_fs; /* Use libocfs2 for device */
+ int om_fd; /* Use ioctl for file */
+ };
+};
+
+struct o2info_operation {
+ char *to_name;
+ int (*to_run)(struct o2info_operation *op,
+ struct o2info_method *om,
+ void *arg);
+ void *to_private;
+};
+
+struct o2info_option {
+ struct option opt_option; /* For getopt_long(). If
+ there is no short
+ option, set .val to
+ CHAR_MAX. A unique
+ value will be inserted
+ by the code. */
+ struct o2info_operation *opt_op;
+
+ char *opt_help; /* Help string */
+ int opt_set; /* Was this option seen */
+ int (*opt_handler)(struct o2info_option *opt, char *arg);
+ void *opt_private;
+};
+
+struct o2info_op_task {
+ struct list_head o2p_list;
+ struct o2info_operation *o2p_task;
+};
+
+#define __O2INFO_OP(_name, _run, _private) \
+{ \
+ .to_name = #_name, \
+ .to_run = _run, \
+ .to_private = _private \
+}
+
+#define DEFINE_O2INFO_OP(_name, _run, _private) \
+struct o2info_operation _name##_op = \
+ __O2INFO_OP(_name, _run, _private)
+
+#endif /* __O2INFO_H__ */
--
1.5.5
More information about the Ocfs2-tools-devel
mailing list