Re: [PATCH] ext4: Protect group inode free counting with group lock.

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On 5/16/12 9:55 AM, Tao Ma wrote:
> On 05/16/2012 09:43 PM, Eric Sandeen wrote:
>> On 5/16/12 3:49 AM, Tao Ma wrote:
>>> From: Tao Ma <boyu.mt@xxxxxxxxxx>
>>>
>>> Now when we set the group inode free count, we don't have a proper
>>> group lock so that multiple threads may decrease the inode free
>>> count at the same time. And e2fsck will complain something like:
>>
>> This is only in the ! EXT4_FEATURE_RO_COMPAT_GDT_CSUM case I guess?
>> That would be worth mentioning in the summary & changelog.
> sure, I will add it in v2.
>>
>> I guess you were testing without that for some reason?
> See my comments below. I found it when running xfstests 269.

Still not sure how you got a filesystem w/o that feature though, unless
I am forgetting something obvious.  Isn't it on by default?

-Eric

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