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-rw-r--r--include/linux/raid/xor.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/raid/xor.h b/include/linux/raid/xor.h
new file mode 100644
index 000000000..c8034b759
--- /dev/null
+++ b/include/linux/raid/xor.h
@@ -0,0 +1,12 @@
+#ifndef _XOR_H
+#define _XOR_H
+
+#include <linux/raid/md.h>
+
+#define MAX_XOR_BLOCKS 4
+
+extern void calibrate_xor_block(void);
+extern void (*xor_block)(unsigned int count,
+ struct buffer_head **bh_ptr);
+
+#endif