fs:ext4:write: Add lldiv and do_div to perform 64-32 bits division

[pandora-u-boot.git] / fs / ext4 / ext4fs.c

diff --git a/fs/ext4/ext4fs.c b/fs/ext4/ext4fs.c
index 06536ba..80b3b90 100644 (file)
--- a/fs/ext4/ext4fs.c
+++ b/fs/ext4/ext4fs.c
@@ -40,6 +40,7 @@
 #include <linux/stat.h>
 #include <linux/time.h>
 #include <asm/byteorder.h>
+#include <div64.h>
 #include "ext4_common.h"
 
 int ext4fs_symlinknest;
@@ -1051,8 +1052,8 @@ int ext4fs_write(const char *fname, unsigned char *buffer,
        }
        /* calucalate how many blocks required */
        bytes_reqd_for_file = sizebytes;
-       blks_reqd_for_file = bytes_reqd_for_file / fs->blksz;
-       if (bytes_reqd_for_file % fs->blksz != 0) {
+       blks_reqd_for_file = lldiv(bytes_reqd_for_file, fs->blksz);
+       if (do_div(bytes_reqd_for_file, fs->blksz) != 0) {
                blks_reqd_for_file++;
                debug("total bytes for a file %u\n", blks_reqd_for_file);
        }