linux-kernel - Re: [f2fs-dev] [PATCH 2/3 v2] f2fs: add bitmaps for empty or full NAT blocks

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Message-ID: <05bf84ed-1e63-3dd0-9c9d-a7b483a8a602@huawei.com>
Date:   Tue, 28 Feb 2017 11:34:11 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     Jaegeuk Kim <jaegeuk@...nel.org>, <linux-kernel@...r.kernel.org>,
        <linux-fsdevel@...r.kernel.org>,
        <linux-f2fs-devel@...ts.sourceforge.net>
Subject: Re: [f2fs-dev] [PATCH 2/3 v2] f2fs: add bitmaps for empty or full NAT
 blocks

On 2017/2/24 6:58, Jaegeuk Kim wrote:
> @@ -2326,7 +2431,8 @@ void flush_nat_entries(struct f2fs_sb_info *sbi)
>  	 * entries, remove all entries from journal and merge them
>  	 * into nat entry set.
>  	 */
> -	if (!__has_cursum_space(journal, nm_i->dirty_nat_cnt, NAT_JOURNAL))
> +	if (cpc->reason == CP_UMOUNT ||

enabled_nat_bits(sbi, cpc)

Thanks,

> +		!__has_cursum_space(journal, nm_i->dirty_nat_cnt, NAT_JOURNAL))
>  		remove_nats_in_journal(sbi);