In that case, how to make sure all the jbd2 transactions are fininshed before reboot? is it ext4_freeze and jbd2_journal_flush? Thanks. -- All the best, Zhao Cai On Apr 25, 2011, at 12:12 PM, Zhao Cai wrote: > On Apr 25, 2011, at 12:10 PM, Eric Sandeen wrote: > >> 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 > > Thanks. That means it is designed to be like this! > >>> -Zhao >>> >>> >>> On Apr 25, 2011, at 11:02 AM, Amir Goldstein wrote: >>> >>>> On Monday, April 25, 2011, Eric Sandeen <sandeen@xxxxxxxxxx> 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 >>>>> >>>>>> Thanksã >>>>>> >>>>>> -- All the best, >>>>>> >>>>>> Zhao Cai >>>>>> >>>>>> >>>>>> -- To unsubscribe from this list: send the line "unsubscribe >>>>>> linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx >>>>>> 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@xxxxxxxxxxxxxxx >>>>> 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@xxxxxxxxxxxxxxx >> 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@xxxxxxxxxxxxxxx > 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@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
