On Wed, Aug 14, 2019 at 4:29 PM Bart Van Assche <bvanassche@xxxxxxx> wrote: > Hi Martijn, > > Is the loop driver used in Android Q to make a file on a filesystem > visible as a block device or rather to make a subset of a block device > visible as a block device? In the latter case, have you considered to > use the dm-linear driver instead? I expect that the overhead per I/O of > dm-linear will be lower than that of the loop driver. Hi Bart, In this case we're using the loop driver to make a file on the filesystem visible as a block device (in the file is a filesystem we want to mount), so unfortunately dm-linear is not an option. Best, Martijn > > Bart.
