From: Eric Sandeen <sandeen@redhat.com>
To: Zhao Cai <zhaocai@me.com>
Cc: Amir Goldstein <amir73il@gmail.com>,
ext4 mailing list <linux-ext4@vger.kernel.org>
Subject: Re: ext4_put_super is not called during system shutdown or restart
Date: Mon, 25 Apr 2011 11:10:43 -0500 [thread overview]
Message-ID: <4DB59D03.7020707@redhat.com> (raw)
In-Reply-To: <D949F3DA-E240-4BCF-A213-E4745FFE5D99@me.com>
On 4/25/11 11:05 AM, Zhao Cai wrote:
> Sorry, my mistake. It happens only when ext4 is the root file system.
that makes sense, since root is never actually unmounted; it just goes to readonly.
-Eric
> -Zhao
>
>
> On Apr 25, 2011, at 11:02 AM, Amir Goldstein wrote:
>
>> On Monday, April 25, 2011, Eric Sandeen <sandeen@redhat.com> wrote:
>>> On 4/24/11 11:12 PM, Zhao Cai wrote:
>>>> I would appreciate if anyone can give me an answer. Is it designed to
>>>> be like this?
>>>>
>>>> Detailed situation: The system is ubuntu 11.04 installed in VMware. I
>>>> notice that ext4_put_super() is called when I unmount a non-root ext4
>>>> partition. But it is not when I restart or shutdown the system.
>>>
>>> Even for a non-root filesystem?
>>>
>>> I don't know if ubuntu does anything special, but I would expect that during a system shutdown, non-root filesystems would be unmounted, and you'd get put_super called. Unless the fs is busy and it can't be unmounted for some reason...
>>
>> This strangely reminds me of my report that xfstests sometimes fails
>> to umount on Ubuntu 10.10.
>> But I could be just trying to hold on to the hope of somebody else
>> solving my problems...
>>
>>>
>>> -Eric
>>>
>>>> Thanks。
>>>>
>>>> -- All the best,
>>>>
>>>> Zhao Cai
>>>>
>>>>
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>>>
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next prev parent reply other threads:[~2011-04-25 16:10 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-25 4:12 ext4_put_super is not called during system shutdown or restart Zhao Cai
2011-04-25 14:26 ` Eric Sandeen
2011-04-25 15:02 ` Amir Goldstein
2011-04-25 16:05 ` Zhao Cai
2011-04-25 16:10 ` Eric Sandeen [this message]
2011-04-25 16:12 ` Zhao Cai
2011-04-25 20:07 ` Zhao Cai
2011-04-25 20:18 ` Eric Sandeen
2011-04-25 20:43 ` Zhao Cai
2011-04-25 18:23 ` Ted Ts'o
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