nishant mungse [nishantmungse gmail com
> I've created a device mapper target and I wanna test its read and
> write mechanisms. I created a device using this target and tried to
> write a filesystem on to the device.
> My target is creating roughly two outgoing bios per incoming bio.
> Which is maybe why I'm not able to get a proper log after running the
> mke2fs command as while writing the filesystem, there are massive
> amounts of writes performed on the device.
> So, I tried to use the cat command to directly write to the device
> file. The write is being performed for sure because I'm able to view
> the data written to the underlying device.
> But there is no output when I try to read the device file contents using cat.
> Is there any other way to test the read/write workflows of a dm target
> that can give out a proper log ?