linux-kernel - Re: [PATCH] lightnvm: fix incorrect nr_free

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Date:	Mon, 14 Dec 2015 12:42:15 +0100
From:	Matias Bjørling <mb@...htnvm.io>
To:	Chao Yu <chao2.yu@...sung.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] lightnvm: fix incorrect nr_free_blocks stat

On 12/14/2015 11:23 AM, Chao Yu wrote:
> When initing bad block list in gennvm_block_bb, once we move bad block
> from free_list to bb_list, we should maintain both stat info
> nr_free_blocks and nr_bad_blocks. So this patch fixes to add missing
> operation related to nr_free_blocks.
>
> Signed-off-by: Chao Yu <chao2.yu@...sung.com>
> ---
>   drivers/lightnvm/gennvm.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/lightnvm/gennvm.c b/drivers/lightnvm/gennvm.c
> index 35dde84..6b504a2 100644
> --- a/drivers/lightnvm/gennvm.c
> +++ b/drivers/lightnvm/gennvm.c
> @@ -89,6 +89,7 @@ static int gennvm_block_bb(struct ppa_addr ppa, int nr_blocks, u8 *blks,
>
>   		list_move_tail(&blk->list, &lun->bb_list);
>   		lun->vlun.nr_bad_blocks++;
> +		lun->vlun.nr_free_blocks--;
>   	}
>
>   	return 0;
>
Thanks Yu, Applied.
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