Re: ext4 inode tagging

On 01/13/2012 06:02 PM, Herbert Poetzl wrote:
> On Fri, Jan 13, 2012 at 05:10:46PM +0100, Roberto Puzzanghera wrote:
>> [...]
>
>>> no, I don't think that will be necessary, but
>>> could you run the following script on your system
>>> and provide upload the output somewhere/
>
>>>   # mkdir /test
>>>   # testfs.sh -vvv -x -F ext4 -M /test -D<device>
>
>>> note that<device>   should be a partition, disk or
>>> loopback device you do not mind to be reformatted
>>> with ext4 (all data will be destroyed)
>
>>> you can simply create one with:
>>>   # dd if=/dev/zero of=/path/to/somewhere bs=1M count=1024
>>>   # losetup /dev/loop0 /path/to/somewhere
>
>>> also, no problem to use /mnt or /media/test instead
>>> of just /test (i.e. it doesn't matter as long as
>>> you specify the path in -M<path>)
>
>>> the test script can be found here:
>>> http://vserver.13thfloor.at/Stuff/SCRIPT/testfs.sh

# dd if=/dev/zero of=/mnt/testfs bs=1M count=1024
# losetup /dev/loop0 /mnt/testfs
# mount -t ext4 /dev/loop0 /mnt/tmp/
# testfs.sh -vvv -x -F ext4 -M /mnt/tmp/ -D /dev/loop0

but there's no output on the screen, just this line on /var/log/messages

Jan 13 19:14:32 sagredo kernel: EXT4-fs (loop0): mounted filesystem with 
ordered data mode. Opts: (null)

Best regards
Roberto Puzzanghera