Mailing List Archive: [PATCH] UBI: fix refill_wl_user

[PATCH] UBI: fix refill_wl_user_pool()

Aug 26, 2013, 3:08 AM

Post #1 of 3 (515 views)

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@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.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;
--
1.8.1.4

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Re: [PATCH] UBI: fix refill_wl_user_pool() [ In reply to ]

richard at nod

Sep 4, 2013, 1:20 AM

Post #2 of 3 (511 views)

Permalink

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@gmail.com>
> Signed-off-by: Richard Weinberger <richard@nod.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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Re: [PATCH] UBI: fix refill_wl_user_pool() [ In reply to ]

richard.weinberger at gmail

Sep 20, 2013, 9:09 AM

Post #3 of 3 (499 views)

Permalink

On Wed, Sep 4, 2013 at 10:20 AM, Richard Weinberger <richard@nod.at> wrote:
> 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@gmail.com>
>> Signed-off-by: Richard Weinberger <richard@nod.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.

*ping*

--
Thanks,
//richard
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