On Tue, Sep 25, 2012 at 05:50:31PM -0400, Mikulas Patocka wrote: > drivers/md/Kconfig | 11 + > drivers/md/Makefile | 1 > drivers/md/dm-switch.c | 520 +++++++++++++++++++++++++++++++++++++++++++++++++ Please would one of you also propose a Documentation/device-mapper/switch.txt file? Alasdair