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Subject: Re: [PATCH 4.19] ext4: fix race condition between ext4_ioctl_setflags
 and ext4_fiemap
To:     Greg KH <gregkh@linuxfoundation.org>, Theodore Ts'o <tytso@mit.edu>
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在 2022/7/20 3:14, Greg KH 写道:
> On Tue, Jul 19, 2022 at 02:57:18PM -0400, Theodore Ts'o wrote:
>> P.S.  If we go down this path, Greg K-H may also insist on getting the
>> bug fix to the 5.4 LTS kernel, so that a bug isn't just fixed in 4.19
>> LTS but not 5.4 LTS.  In which case, the same requirement of running
>> "-c ext4/all -g auto" and showing that there are no test regressions
>> is going to be a requirement for 5.4 LTS as well.
> Yes, if this issue is also in 5.4 or any newer kernels, it HAS to be
> fixed there at the same time, or before, as we can not have anyone
> upgrading from an older kernel to a newer one and having a regression.
>
> thanks,
>
> greg k-h
> .

Indeed.

-- 
With Best Regards,
Baokun Li