X-Git-Url: http://git.sven.stormbind.net/?p=sven%2Fexfat-utils.git;a=blobdiff_plain;f=libexfat%2Fcluster.c;h=34f027cc3270a8aa214e56b496bdc3530d80f4a3;hp=13bc6ce90616b679a379c1f4e3d4ff47471a85d9;hb=refs%2Ftags%2Fupstream%2F1.2.5;hpb=62ddc92d38808bea3aba8fe70e3a417197e9d42f

diff --git a/libexfat/cluster.c b/libexfat/cluster.c
index 13bc6ce..34f027c 100644
--- a/libexfat/cluster.c
+++ b/libexfat/cluster.c
@@ -67,7 +67,7 @@ static cluster_t s2c(const struct exfat* ef, off_t sector)
 static uint32_t bytes2clusters(const struct exfat* ef, uint64_t bytes)
 {
 	uint64_t cluster_size = CLUSTER_SIZE(*ef->sb);
-	return (bytes + cluster_size - 1) / cluster_size;
+	return DIV_ROUND_UP(bytes, cluster_size);
 }
 
 cluster_t exfat_next_cluster(const struct exfat* ef,