All those new files I added are under GPL v2.0 license. Add the corresponding SPDX headers to them. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
The blockdev book basically contains user-faced documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>