[PATCH -next] gadget: f_fs.c needs to include pagemap.h

[Randy Dunlap]

From: Randy Dunlap <randy.dunlap@xxxxxxxxxx>

Fix g_ffs build error, add a needed header file:

drivers/usb/gadget/f_fs.c:1064:error: 'PAGE_CACHE_SIZE' undeclared (first use in this function)
drivers/usb/gadget/f_fs.c:1065:error: 'PAGE_CACHE_SHIFT' undeclared (first use in this function)

Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
Cc: Michal Nazarewicz <m.nazarewicz@xxxxxxxxxxx>
---
 drivers/usb/gadget/f_fs.c |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20100510.orig/drivers/usb/gadget/f_fs.c
+++ linux-next-20100510/drivers/usb/gadget/f_fs.c
@@ -28,6 +28,7 @@
 /* #define VERBOSE_DEBUG */
 
 #include <linux/blkdev.h>
+#include <linux/pagemap.h>
 #include <asm/unaligned.h>
 #include <linux/smp_lock.h>
 
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