From: Randy Dunlap <randy.dunlap@oracle.com>

Fix lots of build warnings when CONFIG_BLOCK=n:

linux-next-20080916/include/linux/blkdev.h:1093: warning: 'struct block_device' declared inside parameter list
linux-next-20080916/include/linux/blkdev.h:1093: warning: its scope is only this definition or declaration, which is probably not what you want
linux-next-20080916/include/linux/blkdev.h:1097: warning: 'struct gendisk' declared inside parameter list
linux-next-20080916/include/linux/blkdev.h:1105: warning: 'struct hd_geometry' declared inside parameter list

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
---
 include/linux/blkdev.h |    4 ++++
 1 file changed, 4 insertions(+)

--- linux-next-20080916.orig/include/linux/blkdev.h
+++ linux-next-20080916/include/linux/blkdev.h
@@ -1089,6 +1089,10 @@ static inline long nr_blockdev_pages(voi
 
 #endif /* CONFIG_BLOCK */
 
+struct block_device;
+struct gendisk;
+struct hd_geometry;
+
 extern int __blkdev_driver_ioctl(struct block_device *, fmode_t, unsigned int,
 				 unsigned long);
 
--
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