Re: [f2fs-dev] [PATCH] f2fs: save a multiplication for last_nid calculation

From: Chao Yu
Date: Thu Nov 02 2017 - 09:58:20 EST


On 2017/11/2 11:02, Fan Li wrote:
> Use a slightly easier way to calculate last_nid.
>
> Signed-off-by: Fan li <fanofcode.li@xxxxxxxxxxx>

Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx>

Thanks,

> ---
> fs/f2fs/node.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
> index 7834097..55ab330 100644
> --- a/fs/f2fs/node.c
> +++ b/fs/f2fs/node.c
> @@ -2642,7 +2642,7 @@ 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++)
> --
> 2.7.4
>