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Date: Mon, 25 Apr 2011 11:10:43 -0500 From: Eric Sandeen <sandeen@...hat.com> To: Zhao Cai <zhaocai@...com> CC: Amir Goldstein <amir73il@...il.com>, ext4 mailing list <linux-ext4@...r.kernel.org> Subject: Re: ext4_put_super is not called during system shutdown or restart 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@...hat.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 >>>> >>>> >>>> -- To unsubscribe from this list: send the line "unsubscribe >>>> linux-ext4" in the body of a message to majordomo@...r.kernel.org >>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> >>> -- >>> To unsubscribe from this list: send the line "unsubscribe linux-ext4" in >>> the body of a message to majordomo@...r.kernel.org >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> > -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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