Re: [LKP] [lkp] [f2fs] 75cd4e098d: xfstests.generic.042.fail

[Huang\, Ying]

Hi, Yu,

Chao Yu <chao2.yu@xxxxxxxxxxx> writes:

> Hi Ying,
>
>> -----Original Message-----
>> From: kernel test robot [mailto:ying.huang@xxxxxxxxxxxxxxx]
>> Sent: Monday, December 28, 2015 9:40 AM
>> To: Chao Yu
>> Cc: lkp@xxxxxx; LKML; Jaegeuk Kim
>> Subject: [lkp] [f2fs] 75cd4e098d: xfstests.generic.042.fail
>> 
>> FYI, we noticed the below changes on
>> 
>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> commit 75cd4e098d178433436abce08146a21647bb4585 ("f2fs: support FALLOC_FL_ZERO_RANGE")
>> 
>> We found after your commit, the xfstests test case 009/042 failed.
>
> Thank you for the report, 042 is a known issue, IIRC, the reason is f2fs
> will flush inode page with last i_size in ioctl(F2FS_IOC_SHUTDOWN, 0x01),
> but 042 expects an zero-sized inode. So I supposed it happened due to the
> different semantics of metadata flushing between f2fs and xfs.
>
> For 009, I haven't saw it failed for long time, did you test with last f2fs?

We tested the specified commit, so you mean the latest f2fs-tools?

Best Regards,
Huang, Ying

> Thanks,
>
>> 
>> =========================================================================================
>> compiler/disk/fs/kconfig/rootfs/tbox_group/test/testcase:
>> 
>> gcc-4.9/4HDD/f2fs/x86_64-rhel/debian-x86_64-2015-02-07.cgz/vm-kbuild-4G/generic-quick/xfst
>> ests
>> 
>> commit:
>>   b4ace33703243fed56f8bfc80a001533acb9decb
>>   75cd4e098d178433436abce08146a21647bb4585
>> 
>> b4ace33703243fed 75cd4e098d178433436abce081
>> ---------------- --------------------------
>>        fail:runs  %reproduction    fail:runs
>>            |             |             |
>>            :18          94%          17:18    xfstests.generic.009.fail
>>            :18          94%          17:18    xfstests.generic.042.fail
>> 
>> 
>> To reproduce:
>> 
>>         git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
>>         cd lkp-tests
>>         bin/lkp install job.yaml  # job file is attached in this email
>>         bin/lkp run     job.yaml
>> 
>> 
>> 
>> Thanks,
>> Ying Huang
>
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