Hi Jens, The two patches in this patch series are what I came up with while testing Android software. Please consider these patches for inclusion in the upstream kernel. Thanks, Bart. Bart Van Assche (2): loop: Prevent that an I/O scheduler is assigned loop: Add the default_queue_depth kernel module parameter drivers/block/loop.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)