Rationalise context and parameter handling

[yaffs2.git] / yaffs_linux.h

diff --git a/yaffs_linux.h b/yaffs_linux.h
new file mode 100644 (file)
index 0000000..272186a
--- /dev/null
+++ b/yaffs_linux.h
@@ -0,0 +1,38 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2007 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+#ifndef __YAFFS_LINUX_H__
+#define __YAFFS_LINUX_H__
+
+#include "devextras.h"
+#include "yportenv.h"
+
+struct yaffs_LinuxContext {
+       struct ylist_head       contextList; /* List of these we have mounted */
+       struct yaffs_DeviceStruct *dev;
+       struct super_block * superBlock;
+        struct semaphore grossLock;     /* Gross locking semaphore */
+       __u8 *spareBuffer;      /* For mtdif2 use. Don't know the size of the buffer
+                                * at compile time so we have to allocate it.
+                                */
+       struct mtd_info *mtd;
+       struct ylist_head searchContexts;
+       void (*putSuperFunc)(struct super_block *sb);
+};
+
+#define yaffs_DeviceToContext(dev) ((struct yaffs_LinuxContext *)((dev)->context))
+
+#endif
+