linux-kernel - Re: [PATCH] UBI: fix refill_wl_user

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Date:	Wed, 04 Sep 2013 10:20:57 +0200
From:	Richard Weinberger <richard@....at>
To:	Richard Weinberger <richard@....at>
CC:	dedekind1@...il.com, dwmw2@...radead.org,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	richard.genoud@...il.com
Subject: Re: [PATCH] UBI: fix refill_wl_user_pool()

Am 26.08.2013 12:08, schrieb Richard Weinberger:
> If no free PEBs are available refill_wl_user_pool() must not
> return with -ENOSPC immediately.
> It has to block till produce_free_peb() produced a free PEB.
> 
> Reported-and-Tested-by: Richard Genoud <richard.genoud@...il.com>
> Signed-off-by: Richard Weinberger <richard@....at>
> ---
>  drivers/mtd/ubi/wl.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
> index c95bfb1..02317c1 100644
> --- a/drivers/mtd/ubi/wl.c
> +++ b/drivers/mtd/ubi/wl.c
> @@ -599,10 +599,6 @@ static void refill_wl_user_pool(struct ubi_device *ubi)
>  	return_unused_pool_pebs(ubi, pool);
>  
>  	for (pool->size = 0; pool->size < pool->max_size; pool->size++) {
> -		if (!ubi->free.rb_node ||
> -		   (ubi->free_count - ubi->beb_rsvd_pebs < 1))
> -			break;
> -
>  		pool->pebs[pool->size] = __wl_get_peb(ubi);
>  		if (pool->pebs[pool->size] < 0)
>  			break;
> 

Artem, please don't forget do apply this patch.

Thanks,
//richard
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