linux-ext4 - Re: fsync() errors is unsafe and risks data loss

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Message-ID: <2c46c135-c7fd-f241-5ce2-1189351df95a@commandprompt.com>
Date:   Tue, 10 Apr 2018 09:58:21 -0700
From:   "Joshua D. Drake" <jd@...mandprompt.com>
To:     "Darrick J. Wong" <darrick.wong@...cle.com>
Cc:     linux-ext4@...r.kernel.org
Subject: Re: fsync() errors is unsafe and risks data loss

On 04/10/2018 09:54 AM, Darrick J. Wong wrote:
> On Tue, Apr 10, 2018 at 09:28:15AM -0700, Joshua D. Drake wrote:
>> -ext4,
>>
>> If this is not the appropriate list please point me in the right direction.
>> I am a PostgreSQL contributor and we have come across a reliability problem
>> with writes and fsync(). You can see the thread here:
>>
>> https://www.postgresql.org/message-id/flat/20180401002038.GA2211%40paquier.xyz#20180401002038.GA2211@paquier.xyz
>>
>> The tl;dr; in the first message doesn't quite describe the problem as we
>> started to dig into it further.
> 
> You might try the XFS list (linux-xfs@...r.kernel.org) seeing as the
> initial complaint is against xfs behaviors...

Later in the thread it becomes apparent that it applies to ext4 (NFS 
too) as well. I picked ext4 because I assumed it is the most populated 
of the lists since its the default filesystem for most distributions.

JD

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