Re: [PATCH 1/2] Btrfs: switch to btrfs_previous_extent_item()

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On Wed, Feb 5, 2014 at 4:20 PM, Josef Bacik <jbacik@xxxxxx> wrote:
>
> On 02/05/2014 11:14 AM, Wang Shilong wrote:
>>
>> Hi Filipe,
>>
>>> So i knew what was wrong here, we need found_key while
>>> btrfs_previous_extent_item() did set
>>> it properly..^_^
>>>
>>> I will send a v2 to fix this, thanks!
>>>
>>>
>>>> On Fri, Jan 31, 2014 at 4:42 PM, Wang Shilong
>>>> <wangshilong1991@xxxxxxxxx> wrote:
>>>>>
>>>>> From: Wang Shilong <wangsl.fnst@xxxxxxxxxxxxxx>
>>>>>
>>>>> Since we have introduced btrfs_previous_extent_item() to search
>>>>> previous
>>>>> extent item, just switch into it.
>>>>>
>>>>> Signed-off-by: Wang Shilong <wangsl.fnst@xxxxxxxxxxxxxx>
>>>>
>>>> Hi Shilong,
>>>>
>>>> This patch is making btrfs/004 fail for me, consistently:
>>
>> I was trying to reproduce this xfstest failure(though we have known what's
>> wrong with my previous patch).
>> I did not really hit 004 failure, but i can reproduce btrfs/030 fail
>> consistently, i think you might be interested in this:
>>
> Do you guys have some CONFIG_ONLY_BREAK_FOR_ME=y set or something? I can't
> reproduce this failure either.  Will you send the updated
> btrfs_previous_extent_item patch and then see if you can bisect down why 030
> is failing for you?  Thanks,

I can't reproduce Shilong's 030 failure on latest btrfs-next, neither
with nor without the previous_extent_item patch. And quite surprised,
since the test is very deterministic (hardcoded fs structure).

>
> Josef



-- 
Filipe David Manana,

"Reasonable men adapt themselves to the world.
 Unreasonable men adapt the world to themselves.
 That's why all progress depends on unreasonable men."
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