On Thu, Mar 2, 2017 at 2:42 AM, Omar Sandoval <osandov@xxxxxxxxxxx> wrote:
> From: Omar Sandoval <osandov@xxxxxx>
>
> loop_reread_partitions() needs to do I/O, but we just froze the queue,
> so we end up waiting forever. This can easily be reproduced with losetup
> -P. Fix it by moving the reread to after we unfreeze the queue.
>
> Fixes: ecdd09597a57 ("block/loop: fix race between I/O and set_status")
> Reported-by: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Ming Lei <tom.leiming@xxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Omar Sandoval <osandov@xxxxxx>
Reviewed-by: Ming Lei <tom.leiming@xxxxxxxxx>
Thanks,
Ming