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-rw-r--r--fs/ext4/ialloc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index dd732c7aa814..443ffb8eab9a 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -22,6 +22,7 @@
#include <linux/random.h>
#include <linux/bitops.h>
#include <linux/blkdev.h>
+#include <linux/math64.h>
#include <asm/byteorder.h>
#include "ext4.h"
@@ -356,7 +357,7 @@ static int find_group_flex(struct super_block *sb, struct inode *parent,
find_close_to_parent:
flexbg_free_blocks = atomic64_read(&flex_group[best_flex].free_blocks);
- flex_freeb_ratio = flexbg_free_blocks * 100 / blocks_per_flex;
+ flex_freeb_ratio = div64_u64(flexbg_free_blocks * 100, blocks_per_flex);
if (atomic_read(&flex_group[best_flex].free_inodes) &&
flex_freeb_ratio > free_block_ratio)
goto found_flexbg;
@@ -371,7 +372,7 @@ find_close_to_parent:
continue;
flexbg_free_blocks = atomic64_read(&flex_group[i].free_blocks);
- flex_freeb_ratio = flexbg_free_blocks * 100 / blocks_per_flex;
+ flex_freeb_ratio = div64_u64(flexbg_free_blocks * 100, blocks_per_flex);
if (flex_freeb_ratio > free_block_ratio &&
(atomic_read(&flex_group[i].free_inodes))) {