dm: struct io_restriction reordered

[Vasily Averin <vvs@sw.ru>]

it saves some bytes memory

Signed-off-by:	Vasily Averin <vvs@sw.ru>

--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -110,12 +110,12 @@ struct target_type {
 };

 struct io_restrictions {
+	unsigned long		seg_boundary_mask;
 	unsigned int		max_sectors;
+	unsigned int		max_segment_size;
 	unsigned short		max_phys_segments;
 	unsigned short		max_hw_segments;
 	unsigned short		hardsect_size;
-	unsigned int		max_segment_size;
-	unsigned long		seg_boundary_mask;
 	unsigned char		no_cluster; /* inverted so that 0 is default */
 };

-
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