Re: [PATCH] btrfs: test if receive with qgroups corrupts metadata

Justin Maggard
2017-07-21T01:24:27Z

On Thu, Jul 20, 2017 at 4:44 PM, Qu Wenruo <quwenruo.btrfs@gmx.com> wrote:
> On 2017年07月21日 07:03, Justin Maggard wrote:
>>
>> This test case does some concurrent send/receives with qgroups enabled.
>> Currently (4.13-rc1) this usually results in btrfs check errors, and
>> often also results in a WARN_ON in record_root_in_trans().
>
>
> This is quite interesting.
> Despite subvolume/snapshot creation, receiving is done mostly by doing
> normal read/write/utime/... operations, which are handled quite well.
>
> BTW, the test case is doing send/receive concurrently, is the bug still
> reproducible without concurrency ?
>

I ran it 100 times without concurrency and it didn't reproduce.

-Justin