block/genhd.c: proper externs

This patch adds proper externs for two structs in include/linux/genhd.h

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 468805d..2d56397 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -32,6 +32,7 @@
 #include <linux/interrupt.h>
 #include <linux/swap.h>
 #include <linux/slab.h>
+#include <linux/genhd.h>
 #include <linux/smp.h>
 #include <linux/signal.h>
 #include <linux/module.h>
@@ -377,7 +378,6 @@
 #endif
 
 #ifdef CONFIG_BLOCK
-extern const struct seq_operations partitions_op;
 static int partitions_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &partitions_op);
@@ -389,7 +389,6 @@
 	.release	= seq_release,
 };
 
-extern const struct seq_operations diskstats_op;
 static int diskstats_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &diskstats_op);
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index cd048e3..32c2ac4 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -22,6 +22,9 @@
 extern struct kobject *block_depr;
 extern struct class block_class;
 
+extern const struct seq_operations partitions_op;
+extern const struct seq_operations diskstats_op;
+
 enum {
 /* These three have identical behaviour; use the second one if DOS FDISK gets
    confused about extended/logical partitions starting past cylinder 1023. */