From 21cf3e120191eb1302da2bbfc6c41239e0d84db7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
Date: Thu, 22 Jun 2017 13:04:16 +0200
Subject: qcow2: use DIV_ROUND_UP
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I used the clang-tidy qemu-round check to generate the fix:
https://github.com/elmarco/clang-tools-extra
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
---
block/qcow2-cluster.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index f06c08f64c..30db942dde 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -61,7 +61,7 @@ int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size,
new_l1_size = 1;
}
while (min_size > new_l1_size) {
- new_l1_size = (new_l1_size * 3 + 1) / 2;
+ new_l1_size = DIV_ROUND_UP(new_l1_size * 3, 2);
}
}
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