From: Fan Li <fanofcode.li@samsung.com>
Date: Thu, 2 Nov 2017 03:02:52 +0000 (+0800)
Subject: f2fs: save a multiplication for last_nid calculation
X-Git-Tag: v4.15-rc1~83^2~14
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=f6986ede80c9a03babb1cff870964f4de1e763e8;p=linux-block.git

f2fs: save a multiplication for last_nid calculation

Use a slightly easier way to calculate last_nid.

Signed-off-by: Fan li <fanofcode.li@samsung.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index a7f6603bfbea..fef5c68886b1 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2626,7 +2626,7 @@ static inline void load_free_nid_bitmap(struct f2fs_sb_info *sbi)
 		__set_bit_le(i, nm_i->nat_block_bitmap);
 
 		nid = i * NAT_ENTRY_PER_BLOCK;
-		last_nid = (i + 1) * NAT_ENTRY_PER_BLOCK;
+		last_nid = nid + NAT_ENTRY_PER_BLOCK;
 
 		spin_lock(&NM_I(sbi)->nid_list_lock);
 		for (; nid < last_nid; nid++)