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/md.c

@@ -34,7 +34,6 @@
 
 #include <linux/kthread.h>
 #include <linux/raid/md.h>
-#include <linux/raid/bitmap.h>
 #include <linux/sysctl.h>
 #include <linux/buffer_head.h> /* for invalidate_bdev */
 #include <linux/poll.h>
@@ -45,6 +44,7 @@
 #include <linux/reboot.h>
 #include <linux/file.h>
 #include <linux/delay.h>
+#include "bitmap.h"
 
 /* 63 partitions with the alternate major number (mdp) */
 #define MdpMinorShift 6