[PATCH] remove some unused lines in submit_one_bio()

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Hello,
 remove some unused lines.
--
Regards,
Zhu Yanhai

--
diff --git a/extent_io.c b/extent_io.c
index e086d40..5716e1e 100644
--- a/extent_io.c
+++ b/extent_io.c
@@ -1841,11 +1841,6 @@ static int submit_one_bio(int rw, struct bio
*bio, int mirror_num,
 	struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
 	struct page *page = bvec->bv_page;
 	struct extent_io_tree *tree = bio->bi_private;
-	u64 start;
-	u64 end;
-
-	start = ((u64)page->index << PAGE_CACHE_SHIFT) + bvec->bv_offset;
-	end = start + bvec->bv_len - 1;

 	bio->bi_private = NULL;
--
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