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