md: move headers out of include/linux/raid/

Move the headers with the local structures for the disciplines and
bitmap.h into drivers/md/ so that they are more easily grepable for
hacking and not far away.  md.h is left where it is for now as there
are some uses from the outside.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: NeilBrown <neilb@suse.de>

drivers/md/linear.h

@@ -0,0 +1,31 @@
+#ifndef _LINEAR_H
+#define _LINEAR_H
+
+#include <linux/raid/md.h>
+
+struct dev_info {
+	mdk_rdev_t	*rdev;
+	sector_t	num_sectors;
+	sector_t	start_sector;
+};
+
+typedef struct dev_info dev_info_t;
+
+struct linear_private_data
+{
+	struct linear_private_data *prev;	/* earlier version */
+	dev_info_t		**hash_table;
+	sector_t		spacing;
+	sector_t		array_sectors;
+	int			sector_shift;	/* shift before dividing
+						 * by spacing
+						 */
+	dev_info_t		disks[0];
+};
+
+
+typedef struct linear_private_data linear_conf_t;
+
+#define mddev_to_conf(mddev) ((linear_conf_t *) mddev->private)
+
+#endif