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Re: [PATCH] null_blk: add lightnvm null_blk device to the nullb_list

From Jens Axboe <axboe@fb.com>
Newsgroups linux.kernel
Subject Re: [PATCH] null_blk: add lightnvm null_blk device to the nullb_list
Date 2016-03-04 17:40 +0100
Message-ID <r90VH-14h-1@gated-at.bofh.it> (permalink)
References <r90M3-Y1-45@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 03/04/2016 09:27 AM, Wenwei Tao wrote:
> After register null_blk devices into lightnvm, we forget
> to add these devices to the the nullb_list, makes them
> invisible to the null_blk driver.
>
> Signed-off-by: Wenwei Tao <ww.tao0320@gmail.com>
> ---
>   drivers/block/null_blk.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
> index 64a7b59..cab9759 100644
> --- a/drivers/block/null_blk.c
> +++ b/drivers/block/null_blk.c
> @@ -742,10 +742,11 @@ static int null_add_dev(void)
>
>   	add_disk(disk);
>
> +done:
>   	mutex_lock(&lock);
>   	list_add_tail(&nullb->list, &nullb_list);
>   	mutex_unlock(&lock);
> -done:
> +
>   	return 0;
>
>   out_cleanup_lightnvm:

Thanks, that looks like a regression caused by a514379b0c77, I'll add a 
Fixes tag.

-- 
Jens Axboe

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[PATCH] null_blk: add lightnvm null_blk device to the nullb_list Wenwei Tao <ww.tao0320@gmail.com> - 2016-03-04 17:30 +0100
  Re: [PATCH] null_blk: add lightnvm null_blk device to the nullb_list Jens Axboe <axboe@fb.com> - 2016-03-04 17:40 +0100

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