[BLOCK] Move sector_div() from blkdev.h to kernel.h
We need it even if CONFIG_BLOCK is disabled, so move it outside of
the block layer include system.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 47160fe..d9725a2 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -42,6 +42,20 @@
#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
+#ifdef CONFIG_LBD
+# include <asm/div64.h>
+# define sector_div(a, b) do_div(a, b)
+#else
+# define sector_div(n, b)( \
+{ \
+ int _res; \
+ _res = (n) % (b); \
+ (n) /= (b); \
+ _res; \
+} \
+)
+#endif
+
/**
* upper_32_bits - return bits 32-63 of a number
* @n: the number we're accessing