linux-kernel - Re: [f2fs-dev] [PATCH 2/2] f2fs: relax EIO injection for quota file

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Date:   Mon, 30 Oct 2017 17:43:04 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     Jaegeuk Kim <jaegeuk@...nel.org>
CC:     Chao Yu <chao@...nel.org>, <linux-kernel@...r.kernel.org>,
        <linux-fsdevel@...r.kernel.org>,
        <linux-f2fs-devel@...ts.sourceforge.net>
Subject: Re: [f2fs-dev] [PATCH 2/2] f2fs: relax EIO injection for quota file

On 2017/10/30 17:21, Jaegeuk Kim wrote:
> On 10/28, Chao Yu wrote:
>> Hi Jaegeuk,
>>
>> On 2017/10/23 0:51, Jaegeuk Kim wrote:
>>> On 10/22, Chao Yu wrote:
>>>> On 2017/10/20 0:56, Jaegeuk Kim wrote:
>>>>> This case is not happening easily.
>>>>
>>>> Actually it can happen, so why not just keep it?
>>>
>>> Okay, so let me keep this patch for local stress tests only.
>>
>> May I ask which type and rate of fault injection you are using for
>> test now?
> 
> I select random value between 3000 and 5000, and 255 for type.

Got it, thanks for your sharing. :)

Thanks,

> 
> Thanks,
> 
>>
>> Thanks,
>>
>>>
>>> Thanks,
>>>
>>>
>>>>
>>>> Thanks,
>>>>
>>>>>
>>>>> Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
>>>>> ---
>>>>>  fs/f2fs/f2fs.h | 2 +-
>>>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>>>
>>>>> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
>>>>> index e0ef31cb2cc6..6301ccca8888 100644
>>>>> --- a/fs/f2fs/f2fs.h
>>>>> +++ b/fs/f2fs/f2fs.h
>>>>> @@ -1544,7 +1544,7 @@ static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
>>>>>  		return ret;
>>>>>  
>>>>>  #ifdef CONFIG_F2FS_FAULT_INJECTION
>>>>> -	if (time_to_inject(sbi, FAULT_BLOCK)) {
>>>>> +	if (!IS_NOQUOTA(inode) && time_to_inject(sbi, FAULT_BLOCK)) {
>>>>>  		f2fs_show_injection_info(FAULT_BLOCK);
>>>>>  		release = *count;
>>>>>  		goto enospc;
>>>>>
>>>
>>> .
>>>
> 
> .
>