1 files changed, 31 insertions, 0 deletions

diff --git a/drivers/md/linear.h b/drivers/md/linear.h
new file mode 100644
index 000000000000..f38b9c586afb
--- /dev/null
+++ b/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