Menuconfig Implementation and auto-qemu refactoring (#44)

[lunaix-os.git] / lunaix-os / kernel / block / blkbuf.c

diff --git a/lunaix-os/kernel/block/blkbuf.c b/lunaix-os/kernel/block/blkbuf.c
index 4f255c90d08b9aa37f2e42cb12eba5cd2c231ef2..302cd962e659458be8d708b0450c6c197933498b 100644 (file)
--- a/lunaix-os/kernel/block/blkbuf.c
+++ b/lunaix-os/kernel/block/blkbuf.c
@@ -3,6 +3,7 @@
 #include <lunaix/mm/valloc.h>
 #include <lunaix/owloysius.h>
 #include <lunaix/syslog.h>
+#include <sys/muldiv64.h>
 
 LOG_MODULE("blkbuf")  
 
@@ -17,7 +18,8 @@ static struct cake_pile* bb_pile;
 static inline u64_t
 __tolba(struct blkbuf_cache* cache, unsigned int blk_id)
 {
-    return ((u64_t)cache->blksize * (u64_t)blk_id) / cache->blkdev->blk_size;
+    return udiv64(((u64_t)cache->blksize * (u64_t)blk_id), 
+                    cache->blkdev->blk_size);
 }
 
 static void