From 36218b81f094648d929994399eb6eb5c97b991e5 Mon Sep 17 00:00:00 2001
From: Zheng Yongjun <zhengyongjun3@huawei.com>
Date: Tue, 22 Dec 2020 21:34:15 +0800
Subject: f2fs: Replace expression with offsetof()

Use the existing offsetof() macro instead of duplicating code.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fs/f2fs/node.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'fs/f2fs/node.c')

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 3a24423ac65f..5e3fabacefb5 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2696,7 +2696,7 @@ retry:
 	src = F2FS_INODE(page);
 	dst = F2FS_INODE(ipage);
 
-	memcpy(dst, src, (unsigned long)&src->i_ext - (unsigned long)src);
+	memcpy(dst, src, offsetof(struct f2fs_inode, i_ext));
 	dst->i_size = 0;
 	dst->i_blocks = cpu_to_le64(1);
 	dst->i_links = cpu_to_le32(1);
-- 
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